# Book Tracker vs KRIZ

The clearest difference is in-app purchases: KRIZ at none against Book Tracker's 3. KRIZ also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Book Tracker sells 3 in-app purchases, starting at $7.99 per month. KRIZ asks for nothing beyond the download.

## The numbers

| Metric | Book Tracker | KRIZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 5 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Do Anh](https://appshunter.io/developer/646231301) | [Kateryna Dimitrashko](https://appshunter.io/developer/6797778450) |

## What reviewers say

### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-book-reader/id6791919471)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Book Tracker Premium Monthly | $7.99 | per month |
| Book Tracker Premium Yearly | $34.99 | per year |
| Book Tracker Premium Lifetime | $49.99 | one-time |


### KRIZ

[App page](https://appshunter.io/ios/app/kriz-reading-diary/id6797778448)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Book Tracker free?

Book Tracker is free to download, with in-app purchases available.

### Is KRIZ free?

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

### Do Book Tracker or KRIZ have ads?

Neither Book Tracker nor KRIZ shows ads.

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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.*