# AT Toolbox vs Grim Reader

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.

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.

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.

AT Toolbox ships an update fortnightly, Grim Reader every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AT Toolbox | Grim Reader |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/at-toolbox/id6747999688/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/grim-reader/id6782366876/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 16 MB | 16 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bailey Townsend](https://appshunter.io/developer/1502207403) | [Maarten de Kreij](https://appshunter.io/developer/6774006735) |

## What reviewers say

### AT Toolbox

[App page](https://appshunter.io/ios/app/at-toolbox/id6747999688)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $1.99 | one-time |
| Tip+ | $2.99 | one-time |
| Tip++ | $3.99 | one-time |


### Grim Reader

[App page](https://appshunter.io/ios/app/grim-reader/id6782366876)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 24, 2026 and Grim Reader on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*