Comparison

WidPass vs Grim Reader

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

Head to head
About

WidPass

Organize all your QR codes and barcodes, like loyalty cards and coupons, in one convenient place. Add them via photos and access them instantly from your home screen widget. The app automatically maximizes screen brightness for easy scanning.

Highlights
  • Store QR codes and barcodes
  • Home screen widget access
  • Automatic brightness adjustment
  • Local data storage
  • No account required
Features
Read full description

WidPass keeps all your QR codes and barcodes in one place — loyalty cards, membership passes, coupons, and more. HOW IT WORKS 1. Tap + and pick a photo from your library 2. WidPass finds the QR code or barcode and shows it in a green box. If it's off, drag the box or pinch to adjust it 3. Give it a label and save New here? Try the sample QR code or barcode first. WIDGET ACCESS Add the WidPass widget to your home screen. Tap ◀ ▶ to switch between your passes without opening the app. Tap the widget to open full-screen view instantly. FULL-SCREEN DISPLAY Screen brightness automatically goes to maximum so scanners can read your codes every time. SIMPLE & PRIVATE - No account required - All data stored locally on your device - No ads, no in-app purchases — completely free

About

Grim Reader

Organize and enrich your personal library of e-books, comics, and audiobooks. This app allows you to manage your collection locally or via your own servers, adding details like covers and author information. Enjoy a seamless reading and listening experience across all your content.

Highlights
  • Library management for e-books, comics, and audiobooks
  • Enrich library with online book and author data
  • Supports local files and personal servers (WebDAV, OPDS)
  • Cross-device reading and listening progress tracking
  • Organize by author, series, and genre
  • Mark favorites
Features
Read full description

Your books. Your library. Your way. Privacy By Design. Made in the EU. Grim Reader is a modern reader and library manager for e-books, comics and audiobooks. Keep your collection on your device, connect to your own servers, and turn even a simple collection of files into a rich, beautifully organised library. A library that feels alive Browse your collection by books, authors, series and more. See covers, reading progress and detailed information at a glance, continue where you left off, mark favourites and quickly find what you want to read next. Grim Reader is designed for both iPhone and iPad, with an interface that adapts to the device you are using. Enrich your books Missing a cover, description or other information? Grim Reader can help enrich your library using online book and author sources. Depending on the available information, Grim Reader can help you find and add details such as: • Covers and book descriptions • Authors and author information • Series information • Publisher and publication details • ISBN and other identifiers • Genres, categories and tags • Additional book metadata You remain in control and can review and edit your library information. More than e-books Grim Reader brings different types of reading together in one library: • Read e-books • Browse and read comics • Listen to audiobooks • Keep track of reading progress • Continue reading or listening across your library • Organise books by author and series • Mark books and authors as favourites Your files, your servers You don’t need to hand your library over to a commercial book platform. Grim Reader can work with books stored locally and supports personal libraries through WebDAV and OPDS, as well as the optional Grimmory server. This makes Grim Reader equally useful for a small collection on your iPhone or iPad and for a large self-hosted library. Made for readers Grim Reader focuses on your books rather than a store. There are no books to sell you and no ecosystem you need to buy into. Build the library you want, enrich it, organise it and enjoy reading it. Grim Reader — your library belongs to you.

Screenshots

WidPass4 screens
Grim Reader3 screens

Verdict

The call

The clearest difference is ratings volume: Grim Reader at 4 against WidPass's 1. On price, rating, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for WidPass against 5.0 for Grim Reader. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

WidPass ships an update every 10 days, Grim Reader every 2 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 8 level
WidPass versus Grim Reader: the parameters behind the verdict, then further details
ParameterWidPassGrim Reader
PriceFreeFree
Rating5.0 (1 ratings)5.0 (4 ratings)
Number of ratings14 — better
Update frequencyEvery 10 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size4 MB16 MB
Age rating4+4+
DevelopermongdaewonMaarten de Kreij

Customer experience

WidPass

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Grim Reader

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

WidPass

No in-app purchases

None

Grim Reader

No in-app purchases

Questions

Is WidPass free?
WidPass is free to download, with no in-app purchases.
Is Grim Reader free?
Grim Reader is free to download, with no in-app purchases.
Which has better reviews, WidPass or Grim Reader?
WidPass and Grim Reader are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.
Do WidPass or Grim Reader have ads?
Neither WidPass nor Grim Reader shows ads.
Which is updated more often, WidPass or Grim Reader?
WidPass ships an update every 10 days, and Grim Reader every 2 weeks. Most recently, WidPass was updated on October 6, 2026 and Grim Reader on October 10, 2026.

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