Comparison

Snail Scan vs Document Signer App

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

Head to head
About

Snail Scan

Features
Read full description

Snail Scan will turn your device into a powerful portable scanner. It integrates the functions of document scanning, image and text extraction and recognition, PDF content editing, electronic signature and so on. Download this scanner app for free to instantly scan, save, and share any document in PDF, JPEG or TXT formats. Snail Scan will become an essential tool for your daily work or life. It can scan any content required, support a variety of image optimization modes, and manually adjust image parameters to quickly turn paper documents into clear scanned documents. Get this simple and practical scanner app now. == KEY FEATURES == DOCUMENT SCANNER – Scan documents and photos to PDF, JPEG, or TXT – Filters (black & white, whiteboard, photo) – Easily scan multiple pages into one document – Distortion correction, shadow removal and defect cleanup OCR (Text Recognition) – Recognize text from any scannable object with OCR – Text recognition and translation into multiple languages PDF CREATION & EDITING – Freely combine PDF documents, and perform page deletion, sequence adjustment, insertion support, page merging and other operations on multiple files – It supports one click smearing and adding comments to easily edit documents – Put your electronic signature on documents EASY DOCUMENT SHARING – Scan documents and share them in just a few taps – Save or share scanned files in PDF or JPG format – Save directly to photos DOCUMENT EDITOR & FILE MANAGER – Use file manager with folders, drag & drop, and document editing features – Sign your scans manually or add a signature from an image – Mark up documents, cover or blur text you don’t need to be seen – Sort files by time, date, or name – Optional table or set view mode Snail Scan is free to use for as long as you want. Terms of Use : https://sites.google.com/view/snailscan-eula-us Privacy Policy : https://sites.google.com/view/snailscan-privacy-us

About

Document Signer App

Digitize paper documents with a built-in scanner and create your unique digital signature. Sign PDFs and various file formats quickly and easily from your smartphone. Share your signed documents effortlessly via email or other apps.

Highlights
  • Create and customize digital signatures
  • Sign documents quickly
  • Built-in document scanner
  • Support for various file formats
  • Share signed documents
Features
Read full description

Sign any document in just a few taps! Create your digital signature, upload templates, and sign files right from your smartphone. Share documents via email or apps effortlessly. Need to scan paper documents? Use the built-in scanner to digitize and sign them instantly. Plus, the app supports various file formats. Free Features: - Create & customize your signatures - Sign documents quickly - Scan documents for easy signing Premium Features: - Share signed documents via email or other apps - Sign and manage an unlimited number of documents - Work with various file formats Terms of Service: https://calledandrey.github.io/esignapp/terms.html Privacy Policy: https://calledandrey.github.io/esignapp/privacy.html Got questions or suggestions? Email us at esignappnet@gmail.com We’d love to hear your feedback!

Screenshots

Snail Scan4 screens
Document Signer App4 screens

Verdict

The call

The clearest difference is device support: Snail Scan at 3 against Document Signer App's 1. Snail Scan also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. Snail Scan sells 4 in-app purchases, starting at $4.99 per 7 days and Document Signer App sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Snail Scan ships an update every 11 days, Document Signer App every 3 weeks. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
Snail Scan versus Document Signer App: the parameters behind the verdict, then further details
ParameterSnail ScanDocument Signer App
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 11 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size6 MB16 MB
Age rating4+4+
Developer琳曼 张CREATIVE TECHNOLOGIES LLC

In-app purchases

4 purchases

Snail Scan

Subscriptions4
  • $4.99 per week$4.997 Days
  • $9.99 per month$9.991 Month
  • $19.99 per year$19.991 Year
Show 1 more
  • $39.99 per year3 Days trial$39.991 Year
3 purchases

Document Signer App

Subscriptions3
  • E-sign Premium3 Days trial$4.997 Days
  • E-sign Premium$9.991 Month
  • E-sign Premium$49.991 Year

Questions

Is Snail Scan free?
Snail Scan is free to download, with in-app purchases available.
Is Document Signer App free?
Document Signer App is free to download, with in-app purchases available.
Do Snail Scan or Document Signer App have ads?
Neither Snail Scan nor Document Signer App shows ads.
Which is updated more often, Snail Scan or Document Signer App?
Snail Scan ships an update every 11 days, and Document Signer App every 3 weeks. Most recently, Snail Scan was updated on September 9, 2026 and Document Signer App on September 18, 2026.

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