# Astronomia vs Interactive Chess Books

The clearest difference is price: Interactive Chess Books at Free against Astronomia's $4.99. Astronomia's advantage is update cadence (every 2 days vs every 4 months) and iOS requirement (12.4 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Interactive Chess Books is free to download; Astronomia costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Astronomia ships an update every 2 days, Interactive Chess Books every 4 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Astronomia | Interactive Chess Books |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interactive-chess-books/id1645731412/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | — | Free |
| Size | 57 MB | 34 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Genuisoft](https://appshunter.io/developer/1464939815) | [Eric Tangborn](https://appshunter.io/developer/1645731414) |

## What reviewers say

### Astronomia

[App page](https://appshunter.io/ios/app/astronomia/id1509995575)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interactive Chess Books

[App page](https://appshunter.io/ios/app/interactive-chess-books/id1645731412)

This app offers interactive lessons, tutorials, and practice exercises to help beginners and intermediate players improve their chess skills. It features a user-friendly interface with clear instructions, helpful tips, and engaging challenges to make learning fun and effective.

**Highlights:** Interactive lessons, Tutorials, Practice exercises, User-friendly interface, Helpful tips and tricks, Engaging challenges and quizzes

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

**In-app purchases:** none


## Frequently asked questions

### Is Astronomia free?

Astronomia costs $4.99, with no in-app purchases.

### Is Interactive Chess Books free?

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

### Do Astronomia or Interactive Chess Books have ads?

Neither Astronomia nor Interactive Chess Books shows ads.

### Which is updated more often, Astronomia or Interactive Chess Books?

Astronomia ships an update every 2 days, and Interactive Chess Books every 4 months. Most recently, Astronomia was updated on October 14, 2026 and Interactive Chess Books on October 7, 2026.

---

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