Comparison

Adobe Acrobat Sign vs Sign Documents

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Adobe Acrobat Sign

This app allows you to easily and securely get documents and forms signed electronically from anywhere. It enables you to sign documents yourself, send them to others for their signatures, track progress in real-time, and even scan paper documents into PDFs for signing.

Highlights
  • Sign documents on the go
  • Send documents for e-signature
  • Track agreement progress
  • Scan paper documents to PDF
  • Offline signing capability
  • In-person signing
  • Legally binding and secure
Features
Read full description

Get documents and forms signed. Easily. Securely. Anywhere. This app is a mobile companion for the Adobe Acrobat Sign e-signature service. With it, you’ll get an electronic signature solution you can trust, from the global leader in secure digital documents for over 25 years. Adobe Acrobat Sign is used by businesses of all sizes — including Fortune 1000 companies, healthcare organizations and financial institutions — to accelerate critical business processes in Sales, HR, Legal, and Operations. Adobe Acrobat Sign lets you e-sign documents and forms, send them to others for e-signature, track responses in real time and get signatures instantly with in-person signing. It even lets you work offline and syncs automatically when you’re back online. SIGN DOCUMENTS ON THE GO •Open and sign documents instantly. •Easily read documents before signing with Reading Mode. •Sign directly on the screen with your finger or stylus. •Sign or click to approve a document sent by others. •Delegate signing to another person or reject a signing request. •Save partially filled forms to complete at a more convenient time. •Sign documents offline. Adobe Acrobat Sign syncs automatically when you’re back online. GET SIGNATURES FROM OTHERS •Send documents for signature from your online document library, your device or email attachments. •Work with documents from Google Drive, Box, Dropbox or Adobe Document Cloud. •Use your iPad or iPhone to get signatures in person when meeting a client. •Choose a language for the signer’s experience. STORE AND MANAGE YOUR DOCUMENTS •Track progress and manage agreements with real-time status updates. •Send reminders to people who haven't signed yet. •View agreements stored in your online account. •All parties get a certified copy of the signed document automatically by email. LEGALLY BINDING AND SECURE •Adobe Acrobat Sign is compliant with e-signature laws around the world, including the U.S. ESIGN Act and the European Union eIDAS Regulation. •Signed documents are encrypted and saved as Certified PDFs. Recipients can validate document authenticity. •Each transaction includes a complete audit trail detailing events and actions. Signer geolocation information can also be added. •Adobe Acrobat Sign meets stringent security compliance standards and is certified compliant with ISO 27001, SOC 2 Type 2, HIPAA and PCI DSS v3.0 used by the Payment Card Industry. •Adobe Acrobat Sign provides protection for both the sender and the signer during the signing process with identity verification options, an audit trail, a tamper-evident seal and more. SCAN DOCUMENTS • Turn any paper document into a PDF, then send for fast e-signing. • Scan multiple document pages into a single PDF and reorder them as desired. • Easily attach, send, and sign scanned PDFs. • Enhance your camera images with boundary detection, perspective correction, and text sharpness. Adobe Acrobat Sign for iPhone and iPad requires an active subscription with one of these Adobe offerings: •Adobe Acrobat Sign Solutions •Adobe PDF Pack •Adobe Acrobat DC •Adobe Creative Cloud Complete Terms & Conditions: Your use of this application is governed by the Adobe General Terms of Use (https://adobe.com/go/terms_linkfree_en) and the Adobe Privacy Policy (http://www.adobe.com/go/privacy_policy_linkfree_en). Do Not Sell My Personal Information: https://www.adobe.com/privacy/ca-rights-linkfree.html

About

Sign Documents

Easily sign, edit, and scan documents directly from your phone. Convert any file or photo into a professional PDF, add your signature or stamp, and share it instantly. Streamline your workflow without needing a printer or desktop software.

Highlights
  • Sign documents instantly
  • Scan paper documents to PDF
  • Reuse saved signatures
  • Export and share as PDF
  • No login required
  • All-in-one workflow
Features
Read full description

Sign, Scan & Send – All from Your Phone Need to sign a contract, fill out a form, or send a scanned document? Our app makes it easy to turn any file or photo into a professional PDF you can sign, stamp, and share — anytime, anywhere. Whether you're a freelancer, business owner, real estate agent, or student, you'll save time and skip the hassle of printers, scanners, or desktop software. KEY FEATURES √ Sign Documents Instantly Add your signature, initials, or custom stamp directly on any document using your finger or stylus. √ Scan Paper Documents Take a photo of any paper document and convert it into a clean, high-quality PDF. √ Reuse Saved Signatures & Stamps Save your signature once and reuse it across multiple documents for fast approvals. √ Export & Share as PDF Send signed documents via email, messaging apps, or upload to your favorite cloud service. WHY OUR APP? No login required — Start signing in seconds All-in-one workflow — Import, sign, and export from one app Built for mobile — Fast, easy, and optimized for on-the-go signing Clean and professional — Make every PDF look polished Trusted by thousands — Ideal for work, school, and personal use Perfect For: - Freelancers and contractors - Small business owners - Real estate agents - Students and teachers - Legal, HR, and administrative teams - Anyone who needs to sign or fill out documents on the go! Upgrade to Pro for More Power Unlock unlimited exports, save multiple signatures, organize docs by folder, remove watermarks, and protect your files — all with Pro. Start signing smarter today — download now and skip the printer forever! If you opt to purchase a Premium or Boost subscription, the subscription fee will be charged to your iTunes account. The yearly subscription automatically renews, but you can disable auto-renewal at least 24 hours before the end of the subscription period in your iTunes account settings. After purchase, any unused portion of the free trial is forfeited. You can manage your premium subscription and turn off the auto-renewal feature in your iTunes account settings. Read our full Terms of Use: https://artmvstd.com/terms/

Screenshots

Adobe Acrobat Sign4 screens
Sign Documents4 screens

Verdict

The call

The clearest difference is review sentiment: Sign Documents at 100% against Adobe Acrobat Sign's 11%. Sign Documents also leads on rating (5.0 vs 2.2) and iOS requirement (13.0 vs 15.0). Adobe Acrobat Sign's advantage is in-app purchases (none vs 2) and ratings volume (646 vs 2). On price, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sign Documents sells 2 in-app purchases, starting at $5.99 per 7 days. Adobe Acrobat Sign asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sign Documents holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Adobe Acrobat Sign has 646 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 11% of Adobe Acrobat Sign's written reviews are positive against 100% of Sign Documents's.

UpkeepUpdate frequency

Adobe Acrobat Sign ships an update every 2 months, Sign Documents every 4 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
Adobe Acrobat Sign versus Sign Documents: the parameters behind the verdict, then further details
ParameterAdobe Acrobat SignSign Documents
PriceFreeFree
Rating2.2 (646 ratings)5.0 (2 ratings) — better
Positive reviews10.9% of reviews100.0% of reviews — better
Number of ratings646 — better2
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size140 MB47 MB
Age rating4+4+
DeveloperAdobe Inc.Artmvstd SIA

Customer experience

Adobe Acrobat Sign

All ratings645 ratings
Positive27.8%
Neutral5.0%
Negative67.3%
Written reviews349 reviews
Positive10.9%
Neutral4.3%
Negative84.8%

Sign Documents

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Adobe Acrobat Sign

Reported bugs

4 issues
  • Documents fail to load or send
  • App redirects to website instead of functioning in-app
  • Inconsistent behavior across iOS and Android
  • Signing process often does not work as expected

Requested features

5 requests
  • Integration with OneDrive and other cloud storage
  • Ability to resize signature/initial boxes
  • Offline signing capability
  • Streamlined login process
  • Improved notification system

Sign Documents

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Adobe Acrobat Sign

No in-app purchases

2 purchases

Sign Documents

Subscriptions2
  • Weekly3 Days trial$5.997 Days
  • Yearly$29.991 Year

Questions

Is Adobe Acrobat Sign free?
Adobe Acrobat Sign is free to download, with no in-app purchases.
Is Sign Documents free?
Sign Documents is free to download, with in-app purchases available.
Which has better reviews, Adobe Acrobat Sign or Sign Documents?
Sign Documents is rated higher. Adobe Acrobat Sign averages 2.2 out of 5 from 646 ratings, while Sign Documents averages 5.0 from 2 ratings.
Do Adobe Acrobat Sign or Sign Documents have ads?
Neither Adobe Acrobat Sign nor Sign Documents shows ads.
Which is updated more often, Adobe Acrobat Sign or Sign Documents?
Adobe Acrobat Sign ships an update every 2 months, and Sign Documents every 4 months. Most recently, Adobe Acrobat Sign was updated on October 26, 2026 and Sign Documents on October 22, 2026.

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