Comparison

OSS Document Scanner vs GPT Box

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

Head to head
About

OSS Document Scanner

Transform your mobile device into a powerful document scanner. Easily scan, enhance, organize, and export documents as PDFs or images. Features offline OCR and secure password protection for your files.

Highlights
  • Fast camera scanning with automatic edge detection
  • Bulk scanning and import from images/PDFs
  • Enhance PDF quality with filters and editing tools
  • Organize documents with colored folders and sorting
  • Export to PDF, JPEG, or PNG
  • Offline OCR for searchable PDFs
  • Password protection for generated PDFs
Features
Read full description

OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner. SCAN * Scan your documents or receipts with a fast camera scan. * Enjoy the automatic edge detection feature allowing you to quickly scan many documents * Bulk scan documents or book pages * Import documents from images or even existing PDF * You can scan to PDF any kind of document: Receipts, IDs, notes, recipes, photos, business cards, whiteboards, books. You can then use and work with the generated PDFs on all your devices, phones, computers, tablets... ENHANCE * Improve PDFs quality by applying enhancing filters for color or black & white documents. * Edit crop * Reorder pages, merge documents * Rotate pages * Change brightness and contrast to create beautiful documents ORGANIZE * Create folders with colors for easy access * Sort documents * Name documents EXPORT * create PDF directly from your mobile device by converting photos, images, other documents, into beautiful and configurable PDFs. * export and share your documents to PDF or JPEG or PNG with your friends, family, colleagues SEARCH * OCR your documents using offline (to be downloaded first) and open source models in many languages. * Generate searchable PDFs by converting images to text using the powerful OCR models from the Tesseract project. SECURITY * Improve the security of your generated PDF by adding a password. SYNC * Synchronize your documents, PDFs, Images with your computers, other devices or local folder sync. * Sync to WebDAV, Google Drive or OneDrive PRIVACY * Use a free and Open Source document scanner to protect your privacy COMMUNITY * Provide feedback or even help translate the app. You are part of this project and you make help it grow so that everyone can enjoy the best free and open source document scanner

About

GPT Box

This open-source client provides a pure and free way to interact with GPT models. It supports text, image, and audio chat, with the ability to search online and fetch web content. Sync your conversations across devices and share them easily.

Highlights
  • Text, Image, Audio Chat
  • Online Search & Web Content Fetching
  • Open Source & Free
  • Sync via iCloud/WebDAV
  • Share Chats as Pictures
  • Cross-Platform Support
Features
Read full description

A third-party, open source GPT client. Features: Search online & fetch web content. Text / Image / Audio chat. Open source & pure & free. Restore from ChatGPT Next Web or ChatGPT. Sync via iCloud / Webdav. Share chat via picture. All platforms support.

Screenshots

OSS Document Scanner4 screens
GPT Box3 screens

Verdict

The call

The clearest difference is rating: OSS Document Scanner at 4.5 against GPT Box's 3.7. GPT Box's advantage is in-app purchases (none vs 5) and iOS requirement (12.0 vs 14.0). On price, ratings volume, update cadence and ads 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. OSS Document Scanner sells 5 one-off in-app purchases. GPT Box asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OSS Document Scanner holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 8 and 9 respectively.

UpkeepUpdate frequency

OSS Document Scanner ships an update fortnightly, GPT Box every 9 days. Both last shipped on September 7, 2026.

Scorecard3 real differences · 7 level
OSS Document Scanner versus GPT Box: the parameters behind the verdict, then further details
ParameterOSS Document ScannerGPT Box
PriceFreeFree
Rating4.5 (8 ratings) — better3.7 (9 ratings)
Positive reviews57.1% of reviews—
Number of ratings89 — better
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size78 MB68 MB
Age rating4+17+
DeveloperAkylas吐司工作室

Customer experience

OSS Document Scanner

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews14 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

GPT Box

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

5 purchases

OSS Document Scanner

One-time5
  • a coffee$0.99
  • a big coffee$1.99
  • a beer$3.99
Show 2 more
  • a pint$8.99
  • a very nice donation$17.99
None

GPT Box

No in-app purchases

Questions

Is OSS Document Scanner free?
OSS Document Scanner is free to download, with in-app purchases available.
Is GPT Box free?
GPT Box is free to download, with no in-app purchases.
Which has better reviews, OSS Document Scanner or GPT Box?
OSS Document Scanner is rated higher. OSS Document Scanner averages 4.5 out of 5 from 8 ratings, while GPT Box averages 3.7 from 9 ratings.
Do OSS Document Scanner or GPT Box have ads?
Neither OSS Document Scanner nor GPT Box shows ads.
Which is updated more often, OSS Document Scanner or GPT Box?
OSS Document Scanner ships an update fortnightly, and GPT Box every 9 days. Most recently, OSS Document Scanner was updated on September 7, 2026 and GPT Box on September 7, 2026.

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