# Book2App vs Study Timer

The clearest difference is in-app purchases: Study Timer at none against Book2App's 3. Study Timer also leads on ads (none vs shown). Book2App's advantage is iOS requirement (11.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Book2App sells 3 one-off in-app purchases. Study Timer asks for nothing beyond the download.

## The numbers

| Metric | Book2App | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 22 MB | 18 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ipsilon Developments Inc](https://appshunter.io/developer/1003755058) | [Tsukasa Kuriyama](https://appshunter.io/developer/1865591063) |

## What reviewers say

### Book2App

[App page](https://appshunter.io/ios/app/book2app/id1488678677)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Credit Recharge | $1.99 | one-time |
| 2 Credits Recharge | $3.99 | one-time |
| 10 Credits Recharge | $19.99 | one-time |


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-simple-tracker/id6757253213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book2App free?

Book2App is free to download, with in-app purchases available.

### Is Study Timer free?

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

### Do Book2App or Study Timer have ads?

Book2App shows ads; Study Timer does not.

---

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