# ZAstronomy vs Reading Riot

The clearest difference is ads: ZAstronomy at none against Reading Riot's shown. Reading Riot's advantage is update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZAstronomy ships an update every 4 months, Reading Riot weekly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZAstronomy | Reading Riot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 71 MB | 55 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alenti Technologies](https://appshunter.io/developer/1113994945) | [M3 LINE PTY LTD](https://appshunter.io/developer/1704854444) |

## What reviewers say

### ZAstronomy

[App page](https://appshunter.io/ios/app/zastronomy/id6450145744)

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

**In-app purchases:** none


### Reading Riot

[App page](https://appshunter.io/ios/app/reading-riot/id6496852944)

Transform reading into a competitive sport. Test your speed and comprehension through dynamic games and quizzes. Climb leaderboards and become the ultimate reading champion.

**Highlights:** Engaging dashboard for progress tracking, Dynamic reading games, Comprehensive comprehension quizzes, Competitive leaderboard, Track achievements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZAstronomy free?

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

### Is Reading Riot free?

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

### Do ZAstronomy or Reading Riot have ads?

Reading Riot shows ads; ZAstronomy does not.

### Which is updated more often, ZAstronomy or Reading Riot?

ZAstronomy ships an update every 4 months, and Reading Riot weekly. Most recently, ZAstronomy was updated on October 25, 2026 and Reading Riot on October 30, 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.*