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.
Trusted by 50,000+ businesses worldwide
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.
Send up to 25 envelopes per month (300 documents per year)
Sign documents for free on iPhone, iPad, and Android
Collect legally binding eSignatures with a tamper-evident audit trail
Verify signers using built-in authentication
Set signing order and automated reminders
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
Complete agreements directly from your phone or tablet—no waiting for a computer.
Send for signature
Upload documents, choose recipients, set signing order, and deadlines in minutes.
Track status
Monitor real-time updates and see who has viewed, signed, or is pending.
Full audit trail
Access detailed, time-stamped records for complete transparency and compliance.
How It Works on Mobile
Upload
Scan or upload a PDF directly from your phone
Add Fields
Place signature, date, and text fields in seconds
Send
Send documents for signature via email with reminders
Track
View real-time status: viewed, signed, or pending
A Simple, Mobile-First Signing Experience
BoldSign makes sending documents simple—unlimited free signatures, secure workflows, and trusted by businesses worldwide.
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.
Don't take our word for it.
Check out our reviews on G2 to see what customers have to say about BoldSign.
Exactly what I needed for API-based proposals
I needed a way to send and manage proposals programmatically through my web app without manual steps in between. BoldSign's API made that possible and the implementation was straightforward enough that I could get it working quickly without a lot of headaches.
Michael P.
Posted on May 8, 2026
Seamless Signatures with BoldSign, Highly Recommended
BoldSign solves not receiving necessary signatures in a timely manner, especially for customers without a printer or scanner. It provides a seamless way to collect signatures and perform work.
Ashly T.
Posted on May 13, 2026
Seamless Transition and Stellar Support with BoldSign
BoldSign offers affordable
e-signatures with an unlimited signature pricing plan and excellent customer support, providing full feature parity without a premium price tag. It's proactive in support and cost-effective compared to our previous use of DocuSign.
Robert B.
Posted on May 27, 2026
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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!
30-day free trial- No credit card required
- 30-day free trial
- No credit card required
