# BookGrass vs Book Tracker

The clearest difference is in-app purchases: BookGrass at none against Book Tracker's 3. BookGrass also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Book Tracker sells 3 in-app purchases, starting at $1.99 per month. BookGrass asks for nothing beyond the download.

BookGrass ships an update daily, Book Tracker every 4 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BookGrass | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 9 MB | 93 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jaeyoung Heo](https://appshunter.io/developer/1833670805) | [Dragos-Bogdan Sima](https://appshunter.io/developer/1872821516) |

## What reviewers say

### BookGrass

[App page](https://appshunter.io/ios/app/bookgrass/id6757300121)

**In-app purchases:** none


### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-readingkit/id6771128096)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Yearly subscription | $11.99 | per year |
| Lifetime offer | $29.99 | one-time |


## Frequently asked questions

### Is BookGrass free?

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

### Is Book Tracker free?

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

### Do BookGrass or Book Tracker have ads?

Neither BookGrass nor Book Tracker shows ads.

### Which is updated more often, BookGrass or Book Tracker?

BookGrass ships an update daily, and Book Tracker every 4 days. Most recently, BookGrass was updated on September 18, 2026 and Book Tracker on September 21, 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.*