Software advice
Best AI eSignature Software in 2026
AI eSignature software is a service that collects legally recognized electronic signatures on documents and adds machine intelligence around the signing step, such as summaries for signers, contract data extraction, field detection or an interface that an AI assistant can drive. It is not a lawyer, and the signature itself still rests on the vendor's audit trail and identity checks.
Quick answer
Oneflow ranks first for the widest set of AI features around a signature. Scrive suits European buyers who want qualified signatures that an AI assistant can trigger, and SignWell fits small teams that want posted prices and a free plan.
Buying an AI-assisted signing tool means choosing where the AI sits. Some vendors put it inside the contract, drafting, summarizing and reviewing text before anyone signs. Others leave the signing screen alone and open an interface so Claude or ChatGPT can send and track requests. A few help only the signer, with plain-language summaries. This ranking weighs how concrete each vendor's AI claims are, what a signature costs, what the vendor says about training on your documents, and how hard it is to move signed records out. Facts come from vendor pages read on 30 October 2026. Prices and limits come from vendor pages.
The 13 best AI eSignature software in 2026, ranked
There is no score. Vendors can pay for more visibility on this website, for example a higher place in a ranking or more room on a page. Commercial relationships can also affect which products we feature and how prominently. How we rank.
| # | Tool | Best for | Free plan | Entry price |
|---|---|---|---|---|
| 1 | Oneflow | Sales, HR and finance teams that want AI around drafting, review and signing in one contract workspace | Trial | €250 per month for 5 users, billed annually |
| 2 | Scrive | European companies needing qualified signatures and eID checks that an AI assistant can trigger | Trial | Quoted |
| 3 | SignWell | Freelancers and small teams that want an assistant to send documents and see prices upfront | Yes | $10 per month on Light, billed yearly |
| 4 | Youtrust (formerly Yousign) | French and wider European teams that want a prompt-driven signing flow on top of eIDAS signatures | Yes | €9 per month on One, excluding VAT |
| 5 | Foxit eSign | Companies whose counterparties need help understanding long agreements before signing | Trial | Quoted |
| 6 | Zoho Sign | Companies already on Zoho CRM, People or Workdrive that want fields placed automatically | Yes | Quoted |
| 7 | airSlate SignNow | Small and mid-sized companies that want an assistant to send and track documents from Claude or Cursor | Trial | Quoted |
| 8 | Dropbox Sign | Teams already storing files in Dropbox that want an assistant to send and chase signature requests | Trial | $15 per month on Essentials, one user |
| 9 | Adobe Acrobat Sign | Companies standardized on Acrobat that want signing and PDF AI summaries in one vendor relationship | Trial | Quoted |
| 10 | Docusign | Large organizations wanting AI search and insights across signed agreements, with a vendor most counterparties already use | Trial | €9 per month on Personal, with 5 envelopes a month |
| 11 | Signeasy | Small teams that want AI key-term extraction and contract search on top of ordinary signing. | Trial | $10 per seat per month on Personal, billed yearly at $120 |
| 12 | BoldSign | Teams with steady contract volume that want AI field detection and a low per-user price | Yes | $0 (Essential plan, 25 envelopes per month) |
| 13 | Skribble | European teams that need qualified signatures and Swiss-hosted signing more than AI features | Trial | €0 on Starter, then €1 per simple signature |
- 1
Oneflow takes first place because its AI list is the most concrete one found: extraction from imported contracts, drafting help, summaries, playbook-based review and portfolio insights. The vendor states that customer data is not used for model training. The trade-off is price and scope, since the entry plan is aimed at teams, and the review and premium insight modules are marked as paid add-ons.
Strong on
- Six named AI functions, from extraction to portfolio insights, all described on one vendor page
- Customer data is stated not to train AI models, and AI use can be switched off in account settings
- ISO 27001, 9001 and 14001 certifications are listed on the security page
Weak on
- Entry plan starts at €250 a month, which is heavy for someone who only signs a few documents
- Third-party AI providers may process content, and processing locations can differ per feature
Skip it if: Individuals or very small teams who need only occasional signatures at a low monthly price. Business plan with a 14-day trial; AI Review and AI Insights Premium carry an extra-cost marker.
- 2
Scrive
Scrive earns second place for pairing a qualified trust service provider under eIDAS with an open-source MCP server, so an assistant can create, send and track agreements while Scrive keeps the identity checks. The vendor says it never trains on agreement data and runs no model in the connection. Prices are not posted, and the MCP is free only until the end of the year.
Strong on
- Qualified trust service provider status, ISO 27001 and EU data hosting are stated on the homepage
- The MCP server works with Claude and ChatGPT and only does what the signed-in user may do
- Scrive states that it never uses agreement data to train a model
Weak on
- No price list appeared for the signing products, so budgeting needs a sales conversation
- MCP access is described as free for customers until the end of the year, with later terms unstated
Skip it if: Buyers outside Europe who want a flat posted monthly price and no eID or trust-service features. Pricing is split by product on the site; the pages read gave no figures, and a 14-day trial is offered.
- 3
SignWell
SignWell ranks third because it posts every price, offers a free plan with API access and ships an MCP server listed in the Claude connectors directory. Unlimited documents start on the $10 Light plan. The AI here is a remote control for your assistant, not a document-reading engine, and the pages read do not state where data is hosted.
Strong on
- Free, Light, Business and Enterprise tiers are all priced or described on one public page
- MCP server, CLI and SDKs are included on all plans, with one-click install in Claude Desktop
- SOC 2 Type II, HIPAA and audit trails are listed for every paid plan
Weak on
- Free plan allows only three documents a month, one sender and one template
- No in-product AI for reading or drafting agreements was found on the pages read
Skip it if: Teams that need summaries of incoming contracts or qualified signatures with eID verification. Light is $12 monthly; additional senders cost extra, and the Free plan allows three documents a month.
- 4
Youtrust (formerly Yousign)
Youtrust, the rebranded Yousign, sits fourth because its AI connector is available on any plan and works with Claude, ChatGPT and Mistral's Vibe, while the signatures stay on eIDAS infrastructure hosted in France. The connector is narrow, covering sending from existing templates and status checks, and the vendor notes that more capabilities are still to come.
Strong on
- AI connector is available from any plan and authenticates through OAuth, so credentials are never shared with the assistant
- Documents stay on servers hosted in Europe, and ISO/IEC 27001 certification is stated
- Advanced and qualified signature add-ons sit beside the simple signatures on paid plans
Weak on
- The connector can only send from existing templates and look up status, per the vendor's own FAQ
- Unlimited sending starts at the €23 per user Plus plan, and the Free plan allows two requests a month
Skip it if: Teams wanting an assistant that drafts, reviews or extracts data from contracts rather than just sending them. Free covers two requests a month; yearly billing gives two months free. Prices exclude VAT.
- 5
Foxit eSign
Foxit eSign comes fifth for aiming AI at the signer, an audience most rivals ignore. Signer AI summarizes, answers questions, translates and flags terms for closer review inside the signing page, without editing the document. Business includes unlimited envelopes. The pages read do not map Signer AI to plans, and they do not say whether data trains models.
Strong on
- Signer AI runs inside the signing screen and can be disabled for the whole organization by an admin
- Sessions are described as temporary and isolated, with no saved history after they end
- Business plan includes unlimited envelopes, and every paid plan includes document storage
Weak on
- Essentials allows 250 envelopes a year for a single user, and Business needs five or more licenses
- Responses are for reference only and are not legal advice, per the vendor's own page
Skip it if: Buyers who want an assistant that sends and manages requests rather than explains documents to signers. Billed per user per year; the pages read showed plan names and limits but no dollar amounts.
- 6
Zoho Sign
Zoho Sign ranks sixth because its AI claim is real but small: AI-based detection and formatted text tags place signer fields automatically from Standard upward. The plans are layered clearly, from a free tier with five envelopes to unlimited envelopes on Professional, and several extras cost credits. No assistant interface or contract summary was found, and the prices need checking live.
Strong on
- AI-based field detection and text tags add signer fields automatically on Standard and above
- Free tier, Standard at 25 envelopes per user per month, and unlimited envelopes from Professional
- Sits inside the wider Zoho suite, with integrations for CRM, People, Recruit and Workdrive
Weak on
- Authentication, timestamps and advanced signatures consume Zoho Sign credits on top of the plan fee
- No assistant connector or contract-reading AI appeared on the pages read
Skip it if: Teams hoping for summaries, clause review or an MCP connector from the signing vendor. Plans are per user per month, but the amounts did not render on the pricing page read.
- 7
airSlate SignNow
airSlate SignNow lands seventh because its MCP server covers templates, pre-filled fields, signing links and status checks, and it is included on all paid plans at no extra cost. That puts it in line with the other connector vendors. The pages read said nothing on retention, hosting location or training, and the price page could not be read.
Strong on
- MCP server works with Claude, ChatGPT, Cursor, VS Code, n8n and Make.com on every paid plan
- Documents can be created from a template, pre-filled and sent for signature in one step
- Audit trails and authentication remain in place when an assistant sends the request
Weak on
- Storage location, retention and AI training statements were not found on the MCP page
- Individual MCP tools and parameters are not named on the product page, only in separate docs
Skip it if: Buyers who need a verified posted price and a published statement on AI training before a trial. The pricing page did not render prices when read; a free trial and 250 free developer invites are mentioned.
- 8
Dropbox Sign
Dropbox Sign takes eighth place because its AI sits outside the product: Dropbox's remote MCP server lets Claude, ChatGPT or Copilot send documents, remind signers and pull audit trails. The help article also lists what is missing, including account templates, signing order and advanced fields. Signing itself is unlimited on every plan, and the main pricing page shows no in-product AI.
Strong on
- Unlimited signature requests on all plans, with SOC 2 Type II, ISO 27001 and eIDAS listed
- Assistants can search requests, send reminders and download signed copies and audit trails
- Sending, reminding and cancelling require the user's confirmation before they complete
Weak on
- MCP excludes templates, signing-order workflows, advanced signer fields and multi-step automation
- A linked Dropbox account is needed alongside the Dropbox Sign account for the MCP route
Skip it if: Teams that rely on templates and signing order every day and expect the assistant to handle them. Standard is $25 per user per month; a 30-day free trial is advertised, and Premium is quoted.
- 9
Adobe Acrobat Sign
Adobe Acrobat Sign ranks ninth because the AI belongs to Acrobat, not to the signing product. Acrobat Studio at $29.99 per license adds PDF Spaces and an AI Assistant that summarizes and answers questions about documents, while Acrobat Sign proper is a quoted product with unlimited seats. Adobe's page does not describe contract-specific AI inside the signature flow.
Strong on
- Acrobat Studio's AI Assistant summarizes documents and answers questions across PDF Spaces
- Signed documents can be stored in Adobe Document Cloud, Box, Dropbox, Google Drive or OneDrive
- Audit trails and real-time status of signature requests are described on the product page
Weak on
- Acrobat Sign for medium and large businesses has no listed price, only contact sales
- The AI Assistant is sold in Acrobat plans, so you pay for it separately from signing
Skip it if: Small teams who want a low posted price for signatures alone and no wider PDF suite. Acrobat Sign for larger businesses is quoted; Acrobat Pro for teams is $23.99 per license monthly.
- 10
Docusign
Docusign ranks tenth because its AI sits in the most expensive tier, while smaller vendors answer the narrower question of AI around signing more directly. Intelligent Agreement Management adds AI search, insights and agents on top of signing, and the homepage lists MCP connectors for AI tools. The signing plans on the pricing page read did not list AI, and IAM is sold by quote.
Strong on
- Intelligent Agreement Management adds AI-powered search, management and insights across signed agreements
- MCP connectors and developer tools bring agreements into outside AI assistants
- Counterparties usually know the signing experience, which reduces friction at the other end
Weak on
- Standard and Business Pro include 100 envelopes per user per year, with extra envelopes billed
- Agreement Manager and Workflow Builder appear only in the quoted Advanced column
Skip it if: Small teams that send a few documents a month and do not need AI search across agreements. Standard is €23 and Business Pro €38 per user per month; AI sits in quoted IAM plans.
- 11
Signeasy
Signeasy is an eSignature and contract management service that adds AI summaries, key-term extraction and chat search over stored agreements, plus an MCP connector. It ranks eleventh because the AI sits mostly in the repository, with extraction first appearing on the Business plan, and the vendor page read did not state how document content is handled by the AI features.
Strong on
- Key-term extraction and summaries start on the $20 Business plan, with an AI search chat and MCP connector listed.
- Prices are posted for three tiers, with a 100-day money-back guarantee.
Weak on
- Personal allows only five contracts sent per month, with fair-usage limits noted.
- No statement on whether customer documents train AI models was found on the pages read.
Skip it if: Organizations that need drafting and negotiation inside the document, or qualified signatures with a regional hosting promise. Business is $20 and Business Pro $30 per seat per month; Personal sends five contracts monthly.
- 12
BoldSign ranks twelfth because its AI is narrow and its best features cost extra. AI field detection and AI document search arrive only on Business, and SMS, WhatsApp, ID checks and qualified signatures are metered add-ons. It does offer a free plan, SOC 2 Type 2, a choice of EU storage and a written promise not to train on customer data. That keeps it competitive on price, though not on depth.
Strong on
- Free Essential plan with 25 envelopes a month and paid tiers from $5 per user yearly
- Storage region can be set to the EU, US, Canada or Australia, with SOC 2 Type 2 stated
Weak on
- AI field detection and AI search are limited to the Business plan
- SMS, WhatsApp, ID verification, QES and the Salesforce link are billed as separate add-ons
Skip it if: Buyers who want AI drafting, negotiation or contract analytics, or who need qualified signatures bundled into a flat plan price. Growth is $5 per user per month billed yearly ($15 monthly); Business is $15 yearly ($25 monthly).
- 13
Skribble ranks last because none of the pages opened name an AI feature, and this category ranks AI-assisted signing first. Its case rests on qualified signatures under eIDAS, a pay-per-signature Starter plan and Swiss data centers with ISO 27001 stated. Buyers who care most about legally strong signing in Europe should look at it before the AI-led tools above.
Strong on
- Qualified, advanced and simple signatures on one service, with Starter charging per signature (€1, €3 or €5)
- Platform servers sit in Swiss data centers, with ISO 27001 stated in the privacy policy
Weak on
- No AI capability is named on the homepage, pricing page or privacy policy
- Single sign-on and company branding are priced as separate Pro add-ons
Skip it if: Buyers who want AI drafting, field detection or contract analysis built into the signing flow. Team is €23 per user per month and Pro €36 (monthly billing); Scale is a custom quote. Prices exclude VAT.
How these AI eSignature software were judged
What does the AI in an eSignature tool actually do?
Read the feature names closely, because they cover very different jobs. Oneflow lists extraction, drafting, summaries, playbook review and portfolio insights. Foxit's Signer AI explains an agreement to the signer. Zoho Sign uses AI-based detection to place fields. Scrive, SignWell, SignNow and Dropbox Sign mainly expose an interface for outside assistants, so the intelligence belongs to Claude or ChatGPT, not the vendor. No page read for this ranking publishes an accuracy figure, and Oneflow's usage counts are activity totals, not quality measures. Test each tool with your own agreements before judging it.
How much does AI eSignature software cost?
Prices range from free to a quote. As of October 2026 SignWell lists a free plan with three documents a month, Light at $10 a month and Business at $30 a month on annual billing. Youtrust shows Plus at €23 per user per month, and Docusign shows Standard at €23 per user per month with 100 envelopes per user per year. Oneflow starts at €250 a month for five users, billed annually, and some AI modules cost extra. Zoho Sign, SignNow, Foxit and Adobe Acrobat Sign did not show a usable price on the pages read, so budget a call for them.
Is my signed document used to train AI models?
Check each vendor's own statement, because several pages are silent. Oneflow says it does not use customer data to train AI models, though third-party AI providers may process content for features you turn on. Scrive says it never uses agreement data to train a model and runs no model inside its MCP connection. Youtrust says its AI connector keeps documents on its servers, hosted in Europe and ISO 27001 certified. Foxit's Signer AI page says sessions are temporary and isolated but says nothing on training. For SignWell, Zoho, SignNow and Dropbox Sign the policy was not checked for AI training.
How hard is it to leave an AI eSignature vendor?
Signed PDFs travel anywhere, but templates, fields, workflows and audit trails do not. A tool that only signs, such as SignWell or Youtrust, leaves little behind apart from templates. Contract platforms hold more: Oneflow and Docusign keep contract data, extracted fields and portfolio views that rebuild slowly elsewhere. AI connectors add a small dependency, since the assistant's setup must be redone. Ask each vendor how long signed records and audit certificates stay downloadable after cancellation, whether bulk export exists, and whether qualified signatures can be validated without the vendor's service.
Which AI eSignature tool matches my situation?
Match the tool to the moment AI helps. A company that drafts and reviews its own contracts before signing fits Oneflow. A European firm that needs qualified signatures and wants to send them from an assistant fits Scrive or Youtrust. A freelancer or small team wanting a posted price fits SignWell. Companies already on Dropbox, Zoho or Adobe can stay in that suite and use the AI it ships. If the signer is the one who struggles with long agreements, Foxit's Signer AI addresses that specific problem and nothing else.
How to choose an AI eSignature tool in three steps
- Decide where in the process the AI should help. Write down the slowest step in your current signing flow. If it is drafting and review, look at Oneflow or Docusign. If it is chasing status and sending from templates, an MCP connector from Scrive, SignWell, Youtrust or SignNow covers it. If signers stall because they do not understand the paper, Foxit's Signer AI fits. If you only need fields placed automatically, Zoho Sign covers that. Choosing the step first stops you paying for AI modules that nobody on your team will touch.
- Check the signature level your documents legally need. Simple signatures are enough for many internal and sales documents, but some European contracts require advanced or qualified signatures, which depend on identity checks. Scrive, Youtrust and Zoho Sign mention qualified or advanced options on their pages, with extra cost or credits in some cases. Ask which level each plan includes, what a qualified signature costs when you exceed the allowance, and whether the AI connector can start those flows or only simple ones. Also confirm that the signer's country and the document type are covered by the identity methods the vendor offers.
- Run one real agreement through the AI and the exit. Send a live agreement with two signers through the trial, using the AI feature you are paying for. Note what the assistant could not do, since several connectors exclude templates, signing order or advanced fields. Then export the signed PDF, the audit certificate and a template, and ask the vendor in writing about training on your data and retention after cancellation. Only a vendor that answers both clearly should reach the shortlist. Keep the notes, because they become your negotiating list when the vendor sends a quote for the full contract term.
Frequently asked questions
What is the best AI eSignature software in 2026?
Oneflow ranks first in this list because it publishes the widest AI feature set tied to signing, covering extraction, drafting, summaries and review. Scrive and SignWell follow for buyers who mainly want an AI assistant to send and track signatures. The right answer depends on whether you need AI inside the contract or only around the signature.
Can ChatGPT or Claude send a document for signature?
Yes, through vendors that publish a Model Context Protocol connector. Scrive, SignWell, SignNow, Youtrust and Dropbox Sign describe one, and Docusign lists MCP connectors on its site. Typical actions are sending from a template, checking who has signed and downloading the result. Several connectors ask you to confirm before anything is sent.
Is an AI-assisted electronic signature still legally valid?
The signature's validity depends on the signing method, identity checks and audit trail, not on whether an assistant started the request. Scrive says its MCP leaves the underlying eIDAS signature levels unchanged. Youtrust says every signature runs through its eIDAS compliant infrastructure. For high-value contracts, ask the vendor which signature level applies.
Does Docusign include AI in its standard plans?
On the pricing page read, Docusign's Personal, Standard and Business Pro plans did not list the AI features. The page ties AI search and insights to its Intelligent Agreement Management plans, which are sold by quote. Buyers who only need signing may not need that tier, so ask for the plan breakdown.
Which AI eSignature tool has a free plan?
SignWell lists a free plan with three documents a month, one sender and API access. Youtrust lists a free plan with two signature requests a month, and Zoho Sign lists a free tier of five envelopes per user per month. Free plans typically exclude branding, bulk sending and compliance extras.
Do eSignature vendors train AI on my contracts?
It varies and some pages say nothing. Oneflow and Scrive state they do not use customer data to train models. Foxit says Signer AI sessions are isolated but is silent on training. Where a vendor's page is silent, ask in writing and check the privacy notice before uploading contracts that contain personal or commercial secrets.
What is the difference between simple, advanced and qualified signatures?
They are three eIDAS levels. A simple signature proves intent with an audit trail, an advanced one links to the signer through stronger authentication, and a qualified one needs a certificate issued after a verified identity check. Scrive and Youtrust are European trust providers, and Skribble and Zoho Sign also describe advanced or qualified options.
Is there a European alternative to Docusign with AI features?
Oneflow (Sweden), Scrive (Sweden) and Youtrust, the former Yousign (France), are European vendors with AI features or an AI connector. Scrive and Youtrust document EU hosting, and Oneflow says its products are hosted in Europe. Check each vendor's AI subprocessors, since third-party models may run outside Europe.