# eBook vs AIMSIS CBT

The clearest difference is update cadence: eBook at every 2 weeks against AIMSIS CBT's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eBook ships an update every 2 weeks, AIMSIS CBT every 6 weeks. The most recent releases landed on September 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | eBook | AIMSIS CBT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 6.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 51 MB | 57 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PENERBIT BUKU ERLANGGA MAHAMERU, PT](https://appshunter.io/developer/1053735901) | [AIMSIS](https://appshunter.io/developer/1279783200) |

## What reviewers say

### eBook

[App page](https://appshunter.io/ios/app/ebook/id1535609180)

Access a wide range of digital books from Publisher Erlangga, covering educational levels from kindergarten to university. This application is designed for reading digital content for students and general readers.

**Highlights:** Read digital books, Educational content, Kindergarten to university levels, General reader content, Publisher Erlangga books

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Some users appreciate the app's content and information.
- ✨ Positive feedback on recent updates from a few users.

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 🐌 Slow loading times
- ❌ Login issues and errors
- 📚 Books not displaying or inaccessible
- 💸 Expensive and not worth the price

**Reported bugs**

- Login error: 'account active on another device'
- App crashes or freezes
- Books not loading or displaying
- App lags and is slow
- Annotations not scaling correctly after zoom out

**Requested features**

- Add split view mode for note-taking
- Implement erase and redo features for annotations
- Improve zoom functionality for better annotation
- Add a search function for books
- Allow multiple device logins


### AIMSIS CBT

[App page](https://appshunter.io/ios/app/aimsis-cbt/id6474534082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eBook free?

eBook is free to download, with no in-app purchases.

### Is AIMSIS CBT free?

AIMSIS CBT is free to download, with no in-app purchases.

### Do eBook or AIMSIS CBT have ads?

Neither eBook nor AIMSIS CBT shows ads.

### Which is updated more often, eBook or AIMSIS CBT?

eBook ships an update every 2 weeks, and AIMSIS CBT every 6 weeks. Most recently, eBook was updated on September 22, 2026 and AIMSIS CBT on October 27, 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.*