# DoomStudy vs Book Tracker

The clearest difference is iOS requirement: DoomStudy at 15.1 against Book Tracker's 17.6. 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.

## The numbers

| Metric | DoomStudy | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 90 MB | 5 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jalal Fatouaki](https://appshunter.io/developer/1855953539) | [Nasuf OZGUR](https://appshunter.io/developer/1346113256) |

## What reviewers say

### DoomStudy

[App page](https://appshunter.io/ios/app/doomstudy-scroll-to-learn/id6755923722)

**Features:** macOS Compatibility

**In-app purchases:** none


### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-reading-log/id6759362864)

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

**In-app purchases:** none


## Frequently asked questions

### Is DoomStudy free?

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

### Is Book Tracker free?

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

### Do DoomStudy or Book Tracker have ads?

Neither DoomStudy nor Book Tracker 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.*