Free Document Signing App: Sign PDFs on iPhone & Android

Use BoldSign’s free document signing app to sign, send, and manage documents anytime, anywhere, with legally binding eSignatures.

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Trusted by 50,000+ businesses worldwide

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What’s Included in the Free Plan

BoldSign offers a free document signing app designed for individuals and small teams that need legally binding eSignatures—without upfront costs.

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Send up to 25 envelopes per month (300 documents per year)

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Sign documents for free on iPhone, iPad, and Android

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Collect legally binding eSignatures with a tamper-evident audit trail

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Verify signers using built-in authentication

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Set signing order and automated reminders

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Let recipients sign without creating an account

Key mobile features

BoldSign mobile gives you the full power of the web app—right at your fingertips.

Sign-on-the-go

Sign on the go

Complete agreements directly from your phone or tablet—no waiting for a computer.

Send-for-signature

Send for signature

Upload documents, choose recipients, set signing order, and deadlines in minutes.

Track status

Track status

Monitor real-time updates and see who has viewed, signed, or is pending.

Full audit

Full audit trail

Access detailed, time-stamped records for complete transparency and compliance.

How It Works on Mobile

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A Simple, Mobile-First Signing Experience

BoldSign makes sending documents simple—unlimited free signatures, secure workflows, and trusted by businesses worldwide.

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Security and Compliance

Legally Valid.
Fully Secure.
Always Compliant.

BoldSign meets top global standards like SOC 2, GDPR, HIPAA, and PCI DSS. Every signature is legally enforceable under the ESIGN Act, eIDAS, and global laws. With AES-256 encryption, your data stays protected from start to finish.

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Reviews

Don't take our word for it.

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Check out our reviews on G2 to see what customers have to say about BoldSign.

Great and Simple product

I was looking for a simple and easy to use system that was not going to break the bank. Bold Sign delivers in all aspects. Easy to use and outstanding cost structure.

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Abraham M.

Posted on April 28, 2025

Great experience with BoldSign

BoldSign streamlines our document signing process. Its intuitive design and reliable customer service make it a pleasure to use. The software is very user friendly.

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Kevin R.

Posted on March 11, 2025

Very satisfied with BoldSign

BoldSign is easy to use and has been a seamless integration into our workflow. Very user friendly and easy to navigate. Customer service is helpful and responsive.

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Cassie S.

Posted on March 25, 2025

Frequently asked questions

Yes. The BoldSign mobile app for iOS and Android lets you upload a PDF, place fields, and sign or send it for signatures right from your phone.

No. Signers don’t need the BoldSign app (or even a BoldSign account). They can open the “Review and Sign” link from the email/SMS invite and sign in their browser.

Yes. You can scan/upload documents from your phone and then send them for eSignature from the BoldSign mobile app.

Yes—eSignatures collected with BoldSign are designed to be legally compliant, including support for major eSignature laws like ESIGN (US) and eIDAS (EU).

Yes. BoldSign supports signing and sending from phones and tablets. 

Yes. BoldSign supports in-person signing so someone can sign directly on your phone/tablet during meetings or on-site visits.

Yes. BoldSign provides an audit trail (certificate of completion) and supports downloading it. Audit trails are designed to be tamper-evident and include key details like timestamps and signer activity.

yes, you can set signing order and reminders from mobile.

BoldSign supports PDF, JPG, PNG, DOCX, and Excel (.xlsx) file types for uploading documents to send for signature.

BoldSign’s free Essential plan is intended for individuals/micro-businesses and includes up to 25 envelopes per month (≈ 300 documents per year), plus key features like audit trails, signer authentication, and automated reminders.

No. Documents signed using the free plan remain clean and professional, without watermarks.

Yes. You can type text, add dates, and sign documents directly from the mobile app.

Sign up for your free trial today!

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    30-day free trial
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    No credit card required
  • tick-icon
    30-day free trial
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    No credit card required
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