# CatalogBooks vs BSOTD Book Tracker

The clearest difference is in-app purchases: CatalogBooks at none against BSOTD Book Tracker's 8. CatalogBooks also leads on iOS requirement (15.0 vs 17.0). BSOTD Book Tracker's advantage is update cadence (every 2 weeks vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. BSOTD Book Tracker sells 8 in-app purchases, starting at $0.99 per 7 days. CatalogBooks asks for nothing beyond the download.

CatalogBooks ships an update every 13 months, BSOTD Book Tracker every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CatalogBooks | BSOTD Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Size | 4 MB | 38 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Sollo](https://appshunter.io/developer/1252677323) | [BSOTD Software Ltd](https://appshunter.io/developer/689018837) |

## What reviewers say

### CatalogBooks

[App page](https://appshunter.io/ios/app/catalogbooks/id1410236464)

**Features:** macOS Compatibility

**In-app purchases:** none


### BSOTD Book Tracker

[App page](https://appshunter.io/ios/app/bsotd-book-tracker/id6755247056)

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Tracking | $0.99 | per 7 days |
| Unlimited Tracking | $2.99 | per month |
| Unlimited Tracking | $24.99 | per year |
| Midnight Rose Theme | $1.99 | one-time |
| Forest Theme | $1.99 | one-time |
| Ink & Paper Theme | $1.99 | one-time |
| Spellbound Theme | $1.99 | one-time |
| Maple And Mocha | $1.99 | one-time |


## Frequently asked questions

### Is CatalogBooks free?

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

### Is BSOTD Book Tracker free?

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

### Do CatalogBooks or BSOTD Book Tracker have ads?

Neither CatalogBooks nor BSOTD Book Tracker shows ads.

### Which is updated more often, CatalogBooks or BSOTD Book Tracker?

CatalogBooks ships an update every 13 months, and BSOTD Book Tracker every 2 weeks. Most recently, CatalogBooks was updated on November 2, 2026 and BSOTD Book Tracker 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.*