Comparison

AT Toolbox 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

AT Toolbox

Automate your AT Protocol experience directly from your iPhone or iPad. Build custom workflows and interact with the Atmosphere without writing code. Share data, schedule posts, and manage your account with ease.

Highlights
  • Automate AT Protocol with iOS Shortcuts
  • Create and schedule Bluesky posts
  • Manage AT Protocol account records
  • Upload steps and workouts
  • Download account photos and videos
  • Securely log in with multiple accounts
Features
Read full description

Unlock the power of AT Protocol with iOS Shortcuts! AT Toolbox brings ease to use automation to the Atmosphere, letting you interact with the same technology that powers Bluesky directly from your iPhone, iPad, or Apple Silicon powered Mac with out writing a line of code. Build powerful workflows and automate your AT Protocol experience using native Shortcuts. Whether you're a power user, developer, or just curious about the Atmosphere. AT Toolbox makes it easy to make custom workflows to interact with the protocol. Some Ideas: - Upload your steps and workouts daily to your AT Protocol account to share with friends - Make a public glasses of water drank today lexicon - Make a dynamic profile picture that changes throughout the day - Build a stats dashboard to see how many likes or posts you've made in a day - Schedule posts for a later time - Back your AT Protocol/Bluesky account - Download all your uploaded photos for offline storage Shortcut Actions: - Make Bluesky posts. Including posts with pictures - Update your Bluesky profile - Create, Read, Update, List, and Delete records from your account - Resolve Handles to DIDs easily - Create custom TID Record Keys - List and download your accounts pictures and videos - Download backup file of your repo - Create a JWT signed by your account to authenticate actions in other AT Protocol apps Other Features: - Login with multiple AT Protocol (Bluesky) accounts securely - Find documentation on each of the Shortcut actions and how to use them - Helpful examples to get you started Perfect For: - Power users who want to automate their social media workflows - Creating custom public lexicons. - Learning more about AT Protocol without having to write code

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

AT Toolbox3 screens
Grim Reader3 screens

Verdict

The call

The clearest difference is price: Grim Reader at Free against AT Toolbox's $2.99. Grim Reader also leads on in-app purchases (none vs 3). On rating, 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

Grim Reader is free to download; AT Toolbox costs $2.99 up front. AT Toolbox sells 3 one-off in-app purchases. Grim Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AT Toolbox against 5.0 for Grim Reader. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

AT Toolbox ships an update fortnightly, Grim Reader every 2 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
AT Toolbox versus Grim Reader: the parameters behind the verdict, then further details
ParameterAT ToolboxGrim Reader
Price$2.99Free — better
Rating5.0 (3 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews—
Number of ratings34 — better
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.517.0 — better
Further details — not scored
Size16 MB16 MB
Age rating4+4+
DeveloperBailey TownsendMaarten de Kreij

Customer experience

AT Toolbox

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Grim Reader

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

In-app purchases

3 purchases

AT Toolbox

One-time3
  • Tip$1.99
  • Tip+$2.99
  • Tip++$3.99
None

Grim Reader

No in-app purchases

Questions

Is AT Toolbox free?
AT Toolbox costs $2.99, and also offers in-app purchases.
Is Grim Reader free?
Grim Reader is free to download, with no in-app purchases.
Which has better reviews, AT Toolbox or Grim Reader?
AT Toolbox and Grim Reader are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do AT Toolbox or Grim Reader have ads?
Neither AT Toolbox nor Grim Reader shows ads.
Which is updated more often, AT Toolbox or Grim Reader?
AT Toolbox ships an update fortnightly, and Grim Reader every 2 weeks. Most recently, AT Toolbox was updated on October 18, 2026 and Grim Reader on October 10, 2026.

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