# The Solar System vs Quizasaurus

The clearest difference is price: Quizasaurus at Free against The Solar System's $1.99. Quizasaurus also leads on update cadence (fortnightly vs every 29 months). The Solar System's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.5). On ads and device support there is nothing between them.

Quizasaurus is free to download; The Solar System costs $1.99 up front. Quizasaurus sells 1 one-off in-app purchase. The Solar System asks for nothing beyond the download.

The Solar System ships an update every 29 months, Quizasaurus fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | The Solar System | Quizasaurus |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Fortnightly** |
| Size | 112 MB | 145 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Milos Malovic](https://appshunter.io/developer/1634636773) |

## What reviewers say

### The Solar System

[App page](https://appshunter.io/ios/app/the-solar-system-ar/id1322087991)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quizasaurus

[App page](https://appshunter.io/ios/app/quizasaurus-learn-dinosaurs/id6503349155)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all levels | $3.99 | one-time |


## Frequently asked questions

### Is The Solar System free?

The Solar System costs $1.99, with no in-app purchases.

### Is Quizasaurus free?

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

### Do The Solar System or Quizasaurus have ads?

Neither The Solar System nor Quizasaurus shows ads.

### Which is updated more often, The Solar System or Quizasaurus?

The Solar System ships an update every 29 months, and Quizasaurus fortnightly. Most recently, The Solar System was updated on November 2, 2026 and Quizasaurus on November 4, 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.*