# DriveClass vs ADI BOOK

The clearest difference is update cadence: DriveClass at every 11 days against ADI BOOK's every 6 weeks. ADI BOOK's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18). On price, ads and in-app purchases there is nothing between them.

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

DriveClass ships an update every 11 days, ADI BOOK every 6 weeks. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | DriveClass | ADI BOOK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 6 weeks |
| Size | 21 MB | 35 MB |
| Requires iOS | 18 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [michael brown](https://appshunter.io/developer/1495536155) | [ADI BOOK LIMITED](https://appshunter.io/developer/1801016102) |

## What reviewers say

### DriveClass

[App page](https://appshunter.io/ios/app/driveclass/id1495536306)

**In-app purchases:** none


### ADI BOOK

[App page](https://appshunter.io/ios/app/adi-book-student/id6743047444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DriveClass free?

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

### Is ADI BOOK free?

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

### Do DriveClass or ADI BOOK have ads?

Neither DriveClass nor ADI BOOK shows ads.

### Which is updated more often, DriveClass or ADI BOOK?

DriveClass ships an update every 11 days, and ADI BOOK every 6 weeks. Most recently, DriveClass was updated on September 19, 2026 and ADI BOOK on September 13, 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.*