# Book Tracker・Reading Log vs Stellary

The clearest difference is ads: Stellary at none against Book Tracker・Reading Log's shown. Stellary also leads on update cadence (every 6 weeks vs every 4 months). Book Tracker・Reading Log's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Book Tracker・Reading Log sells 2 in-app purchases, starting at $4.99 per 7 days and Stellary sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Book Tracker・Reading Log ships an update every 4 months, Stellary every 6 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Book Tracker・Reading Log | Stellary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 106 MB | 101 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) | [HAKAN MATTIAS BJORN OLANDERSSON](https://appshunter.io/developer/6788922960) |

## What reviewers say

### Book Tracker・Reading Log

[App page](https://appshunter.io/ios/app/book-trackerreading-log/id6763587726)

Easily build and manage your personal library by adding books via search, ISBN scan, or manual entry. Track reading progress, set goals, and record notes. Enjoy a private reading experience with data stored locally.

**Highlights:** Build personal library, Add books by title, author, ISBN, or manual entry, Track reading status (Want to Read, Reading, Read, Did Not Finish), Record ratings and notes, Set yearly reading goals, Built-in reading timer, Private, local data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $14.99 | per month |


### 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 Tracker・Reading Log free?

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

### Is Stellary free?

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

### Do Book Tracker・Reading Log or Stellary have ads?

Book Tracker・Reading Log shows ads; Stellary does not.

### Which is updated more often, Book Tracker・Reading Log or Stellary?

Book Tracker・Reading Log ships an update every 4 months, and Stellary every 6 weeks. Most recently, Book Tracker・Reading Log was updated on October 8, 2026 and Stellary on October 7, 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.*