# BookLog vs Book Tracker

The clearest difference is update cadence: BookLog at every 4 days against Book Tracker's every 2 weeks. BookLog also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. BookLog sells 1 one-off in-app purchase and Book Tracker sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BookLog ships an update every 4 days, Book Tracker every 2 weeks. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BookLog | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 3 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Otto Kiefer](https://appshunter.io/developer/1634632350) | [Bahattin Duran](https://appshunter.io/developer/1677311418) |

## What reviewers say

### BookLog

[App page](https://appshunter.io/ios/app/booklog/id6443334545)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is BookLog free?

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

### Is Book Tracker free?

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

### Do BookLog or Book Tracker have ads?

Neither BookLog nor Book Tracker shows ads.

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

BookLog ships an update every 4 days, and Book Tracker every 2 weeks. Most recently, BookLog was updated on October 2, 2026 and Book Tracker on October 9, 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.*