# ShelfLog vs Book Tracker

The clearest difference is in-app purchases: ShelfLog at none against Book Tracker's 2. ShelfLog also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Book Tracker sells 2 in-app purchases, starting at $4.99 per 7 days. ShelfLog asks for nothing beyond the download.

ShelfLog ships an update every 3 weeks, Book Tracker monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | ShelfLog | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 5 MB | 17 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Max Shemtob](https://appshunter.io/developer/6771819629) | [Smart Automation SRL](https://appshunter.io/developer/1822502270) |

## What reviewers say

### ShelfLog

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

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

**In-app purchases:** none


### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-readcue/id6776339577)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadCue Premium Weekly | $4.99 | per 7 days |
| ReadCue Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is ShelfLog free?

ShelfLog 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 ShelfLog or Book Tracker have ads?

Neither ShelfLog nor Book Tracker shows ads.

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

ShelfLog ships an update every 3 weeks, and Book Tracker monthly. Most recently, ShelfLog was updated on October 25, 2026 and Book Tracker on October 25, 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.*