Best Electronic Signature Apps 2026 — Ranking & Comparison

In 2026, remote and hybrid work is the norm rather than the exception, making the ability to electronically sign documents more valuable than ever. A good e-signature tool eliminates printing, couriering and manual scanning — letting you close contracts in seconds from anywhere in the world. To help you choose, we have reviewed and ranked the best electronic signature apps available today, covering both global industry leaders and Polish-focused solutions that meet eIDAS requirements.

The eIDAS regulation has been the legal backbone of electronic signatures in the EU since 2014. Its updated iteration, eIDAS 2.0, further strengthens cross-border trust and introduces the European Digital Identity Wallet. In 2026 virtually every professional organisation relies on e-signatures as standard practice. Let's see what the market offers.

What is an electronic signature?

An electronic signature is a digital form of a user's signature, used to ensure the integrity and confirm the authenticity of the electronic version of a document. Electronic signature (eSignature) apps allow users in different locations to sign documents remotely. Before a document is signed, users have the opportunity to fill it in. This type of signature has legal validity.

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Comparison table 2026

The table below summarises the key facts about each platform so you can choose the right tool at a glance.

PandaDoc

What is PandaDoc?

PandaDoc is an advanced tool that enables fast creation, editing, tracking and electronic signing of documents. Discover a more efficient method for preparing professional offers, quotes and contracts. Improve your results with unlimited electronic signatures, reusable templates, in-app editing, CRM integrations and 24/7 support. Our clients prepare documents in less than 4 minutes, resulting in a 20% increase in deal closure efficiency. Join the 50,000 companies that streamline document management, optimize acquisition processes and increase their results!

Who are PandaDoc users?

PandaDoc is designed for medium and large organizations. We support sales, marketing, customer service and HR teams in more efficiently managing offers, proposals and contracts.

Key features:

Automation: The software enables automated approvals and one-click signature collection, along with access to over 750 ready-made templates.

Data security and storage: The tool provides secure document backups in services such as Dropbox, Google Docs, OneDrive, Box and Evernote, with a file size limit of up to 50MB per document.

Compliance: PandaDoc provides corporate-grade security including HIPAA, GDPR, FERPA, SOC 2, ISO 27001, FedRAMP, DoD CSM and PCI DSS.

Integration: The application seamlessly integrates with platforms such as HubSpot, Salesforce, Pipedrive, Zoho CRM, Copper, monday.com, Slack, Zoom, Zapier and Dropbox.

Multilingual: Available in multiple languages including German, Polish, Italian, Portuguese, Spanish, Dutch, English, French and Swedish.

Additional features: PandaDoc also offers bulk sending, API access, multi-party document signing, reminders, brand customization, custom fields, attachment capabilities, biometric authentication, report generation, audit trails and signing process monitoring.

Technical support: Customer service available by phone, chat and contact form.

Compatibility: Works on Windows, Mac and Linux.

Pricing: Subscription plan starts from $19/month.

Free trial: A free basic version is available.

Pros:

• Intuitive interface and easy-to-use dashboard.
• Rich feature set and high level of security.
• Ability to integrate with various tools.
• Simple document creation and management.
• Effective team and workspace management.
• One of the best free e-signature solutions with access to ready-made templates.

Cons:

• Limited mobile app capabilities.
• No ability to edit documents after they have been sent.
• Manual status change required for documents.
• Membership required to use templates and integrations.

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DocuSign

What is DocuSign?

DocuSign is the world's most widely used e-signature platform, trusted by over one million customers across 180 countries. It offers a comprehensive suite of agreement management tools including e-signatures, contract lifecycle management and identity verification. In 2026 it remains the go-to standard in legal, financial and enterprise environments.

Key features:

Advanced authentication: SMS OTP, knowledge-based authentication and biometric verification keep signers accountable.

Integrations: Connects with Salesforce, Microsoft 365, Google Workspace, SAP, ServiceNow and hundreds of other tools via native connectors and API.

Compliance: Supports eIDAS SES, AES and QES (via certified Trust Service Providers), HIPAA, SOC 2 Type II and ISO 27001.

Pricing: Personal plan from ~$15/month; Business Pro from ~$45/month. A 30-day free trial is available.

Pros:

• Widest industry adoption — counterparties rarely need a new account to sign.
• Robust audit trail with court-admissible evidence packages.
• Excellent mobile apps for iOS and Android.

Cons:

• More expensive than many alternatives.
• Advanced features require higher-tier plans.

Adobe Acrobat Sign

What is Adobe Acrobat Sign?

Adobe Acrobat Sign (formerly Adobe Sign / EchoSign) is deeply integrated into the Adobe ecosystem and is a strong choice for organisations already using Acrobat or Adobe Creative Cloud. It delivers legally binding e-signatures compliant with eIDAS, ESIGN and UETA, with additional qualified signature support available through certified TSPs.

Key features:

PDF-native workflow: Sign directly inside Acrobat without exporting to a third-party platform.

Microsoft 365 integration: Send and sign documents from Word, Outlook and Teams without leaving the Microsoft environment.

Bulk send: Send one document to hundreds of recipients simultaneously, each receiving a unique copy.

Pricing: Acrobat Standard with Sign starts at ~$23/month. Enterprise pricing available on request.

Pros:

• Seamless PDF experience for existing Acrobat users.
• Strong Microsoft 365 and SharePoint integration.
• Trusted brand name in regulated industries.

Cons:

• No standalone free tier — only trial access.
• Can feel heavy for simple signing workflows.

SignNow

What is SignNow?

SignNow is a cost-effective e-signature platform from the airSlate family. It offers an excellent price-to-feature ratio, making it particularly popular among SMBs and growing teams that need reliable signing without enterprise-level costs.

Key features:

Document editor: Add signature fields, initials, checkboxes and text fields directly in the browser.

Team workspaces: Share templates and documents across teams with role-based permissions.

API & Zapier: Automate signing workflows with no-code integrations.

Pricing: Business plan from ~$8/user/month (billed annually). 7-day free trial available.

Pros:

• Most affordable paid plan among top competitors.
• Clean interface, fast to set up.
• White-label option available on higher plans.

Cons:

• No free ongoing plan.
• Qualified signatures for EU require additional TSP setup.

Signaturely

What is Signaturely?

Signaturely is a lightweight, user-friendly e-signature tool designed with simplicity in mind. It is particularly well suited to freelancers, consultants and small agencies who want to get contracts signed quickly without a steep learning curve.

Key features:

Free plan: Allows up to 3 documents per month with full legally binding signatures — one of the few genuinely useful free tiers in this category.

Template library: Reusable document templates with pre-placed signature fields.

Signing links: Generate a public link so anyone can sign a standard form without needing an account.

Pricing: Personal plan $20/month; Business $30/month per user.

Pros:

• Very easy onboarding — functional in under 5 minutes.
• Free tier is genuinely usable for low-volume users.
• Clean, distraction-free interface.

Cons:

• No native CRM integrations on basic plan.
• No qualified/advanced eIDAS signature support.

Szafir

The Szafir program enables the use of electronic signature features, including:

• The ability to create or verify electronic signatures and seals in any format permitted by eIDAS regulations,
• Time-stamping of data,
• Creating or verifying individual signatures using an e-ID card,
• Using any cryptographic card with a qualified certificate,
• Encrypting and decrypting information.

Szafir stands out from the competition thanks to:

• The ability to mass sign and verify by simultaneously processing multiple files and setting time limits or number of cryptographic operations after entering a PIN,
• Support for eIDAS-compliant e-signature formats including CAdES, XAdES, PAdES, ASiC-S, with multiple signature, countersignature and enveloping signature options,
• Compatibility with cryptographic cards issued by all Polish qualified certification centers,
• Acceptance of both domestic and foreign qualified certificates,
• Encryption and decryption using DES3 and AES algorithms on non-qualified certificates,
• Data time-stamping capabilities,
• Creating templates for signing and document verification processes,
• Integration with context menus for quick access to e-signature features,
• Automatic program updates,
• Customizable user settings,
• Intuitive selection of data for signing or verification with sorting options,
• Compatibility with e-Declaration format,
• Support for TSL lists for verifying signatures from EU countries,
• Available in two language versions: Polish and English.

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Autenti

Autenti is a platform that simplifies the functioning of many companies through innovative e-signature solutions, enabling time savings and significant cost reductions – up to 70% – related to the traditional way of signing contracts. Autenti's goal is to eliminate paper use throughout the entire signing process, which contributes not only to environmental protection but also saves time and document delivery costs.

Using Autenti's qualified signature brings many benefits:

• Significant time savings – the first document can be signed in as little as 30 seconds instead of several days,
• Convenience – ability to sign contracts with clients and business partners at any time, completely digitally,
• Cost reduction – savings from eliminating paper can reach up to 70%, including savings on equipment maintenance, printing, archiving and traditional document delivery,
• Security and legal compliance – signed documents are consistent with the original and have legal validity, providing solid evidence in client disputes thanks to the e-signature.

Creating an Autenti account takes just a few minutes and requires no commitment. Moreover, neither you nor the recipient need to install additional software to use e-signatures. The entire document signing process comes down to three simple steps:

1. Email – the recipient receives an email from you with an invitation to sign the document,
2. Redirect to the Autenti platform – by clicking the link, the recipient is redirected to the platform where they can review the document,
3. One-click signature – the recipient verifies their data and accepts the agreement with one click.

Autenti offers various subscription plans, including a free option that allows sending up to 5 contracts per month at no cost.

In 2026 Autenti continues to expand its qualified signature offering and remains the most popular eIDAS-compliant platform specifically tailored to Polish legal requirements and Polish-language document workflows.

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SIGNIUS

SIGNIUS is another Polish tool, specifically from Poznań, enabling remote document signing for both businesses and private individuals. The launch of this solution was supported by the startup Authologic, specializing in remote identity verification using, among other things, banking data.

With SIGNIUS, users can sign a wide range of documents including company papers, commercial contracts, ZUS documentation, official correspondence, legal documents, lease agreements, investment contracts, e-invoices and corrective invoices, medical documentation, non-disclosure agreements (NDA) and tender offers.

Pergamin

Pergamin is an innovative Polish startup transforming the way contracts are managed in the digital environment using a data-driven approach. The platform enables automatic generation, negotiation, digital signing and archiving of contracts, as well as data exchange and easy integration with various systems.

The application allows users to verify contractor data through access to external databases such as REGON, and to automatically send and receive information from CRM systems or HR management tools. This is enabled by the built-in electronic signature system, through which the contract signing process is completely digitized, eliminating the need for printing and physical document delivery.

Pergamin raised PLN 3 million in a seed funding round back in 2021, using the capital to expand its data-driven contract management capabilities. In 2026 the platform has matured into a comprehensive contract lifecycle management solution suitable for mid-size and larger Polish organisations.