# Book Trax vs Stellary

The clearest difference is in-app purchases: Book Trax at none against Stellary's 3. Book Trax also leads on device support (3 vs 1). Stellary's advantage is update cadence (every 6 weeks vs every 5 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Stellary sells 3 in-app purchases, starting at $3.99 per month. Book Trax asks for nothing beyond the download.

Book Trax ships an update every 5 months, Stellary every 6 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Book Trax | Stellary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 73 MB | 101 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shamir DASGUPTA](https://appshunter.io/developer/711014187) | [HAKAN MATTIAS BJORN OLANDERSSON](https://appshunter.io/developer/6788922960) |

## What reviewers say

### Book Trax

[App page](https://appshunter.io/ios/app/book-trax/id6741048492)

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

**In-app purchases:** none


### Stellary

[App page](https://appshunter.io/ios/app/stellary-reading-tracker/id6788922958)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellary Infinite | $3.99 | per month |
| Stellary Infinite | $19.99 | per 6 months |
| Stellary Infinite | $29.99 | per year |


## Frequently asked questions

### Is Book Trax free?

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

### Is Stellary free?

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

### Do Book Trax or Stellary have ads?

Neither Book Trax nor Stellary shows ads.

### Which is updated more often, Book Trax or Stellary?

Book Trax ships an update every 5 months, and Stellary every 6 weeks. Most recently, Book Trax was updated on October 28, 2026 and Stellary on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*