# Book Tracker vs ShelfLog

The clearest difference is in-app purchases: ShelfLog at none against Book Tracker's 2. ShelfLog also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Book Tracker sells 2 in-app purchases, starting at $2.99 per 7 days. ShelfLog asks for nothing beyond the download.

Book Tracker ships an update every 2 weeks, ShelfLog every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Book Tracker | ShelfLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 18 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [Max Shemtob](https://appshunter.io/developer/6771819629) |

## What reviewers say

### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-shelflog/id6767477437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShelfLog Premium — Weekly | $2.99 | per 7 days |
| ShelfLog Premium — Monthly | $6.99 | per month |


### ShelfLog

[App page](https://appshunter.io/ios/app/shelflog-book-lending/id6771819627)

**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 ShelfLog free?

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

### Do Book Tracker or ShelfLog have ads?

Neither Book Tracker nor ShelfLog shows ads.

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

Book Tracker ships an update every 2 weeks, and ShelfLog every 3 weeks. Most recently, Book Tracker was updated on October 31, 2026 and ShelfLog on October 31, 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.*