# Book Tracker vs Echo Books

The clearest difference is in-app purchases: Echo Books at none against Book Tracker's 2. Echo Books also leads on update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

Book Tracker ships an update every 2 weeks, Echo Books every 5 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Book Tracker | Echo Books |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 18 MB | 7 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [Azret Shogenov](https://appshunter.io/developer/1891747096) |

## 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 |


### Echo Books

[App page](https://appshunter.io/ios/app/echo-books/id6804252188)

**Features:** 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 Echo Books free?

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

### Do Book Tracker or Echo Books have ads?

Neither Book Tracker nor Echo Books shows ads.

### Which is updated more often, Book Tracker or Echo Books?

Book Tracker ships an update every 2 weeks, and Echo Books every 5 days. Most recently, Book Tracker was updated on October 9, 2026 and Echo Books on October 12, 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.*