# Solar System AR 4D vs AI Quizzer

The clearest difference is update cadence: AI Quizzer at every 3 days against Solar System AR 4D's every 46 months. Solar System AR 4D's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Solar System AR 4D sells 1 one-off in-app purchase and AI Quizzer sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Solar System AR 4D ships an update every 46 months, AI Quizzer every 3 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Solar System AR 4D | AI Quizzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-quizzer/id6815098685/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 122 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ibrahim Amer](https://appshunter.io/developer/1054899889) | [ABDULRAHMAN ALDHUFAIRI](https://appshunter.io/developer/6812625349) |

## What reviewers say

### Solar System AR 4D

[App page](https://appshunter.io/ios/app/solar-system-ar-4d/id1593970513)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $5.99 | one-time |


### AI Quizzer

[App page](https://appshunter.io/ios/app/ai-quizzer/id6815098685)

Transform your study materials into personalized quizzes. Upload documents like PDFs, Word, or PowerPoint files, and generate questions tailored to your content. Review effectively with explanations for every answer.

**Highlights:** Generate quizzes from PDFs, Word, PowerPoint, Excel, Select specific pages or ranges for quizzes, Four question types: multiple choice, true/false, short answer, explanation, Three difficulty levels, Answers include detailed explanations, Supports seven languages for quizzing, Progress tracking and resume quizzes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $6.99 | per month |
| 3-Month Plan | $11.99 | per 3 months |


## Frequently asked questions

### Is Solar System AR 4D free?

Solar System AR 4D is free to download, with in-app purchases available.

### Is AI Quizzer free?

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

### Do Solar System AR 4D or AI Quizzer have ads?

Neither Solar System AR 4D nor AI Quizzer shows ads.

### Which is updated more often, Solar System AR 4D or AI Quizzer?

Solar System AR 4D ships an update every 46 months, and AI Quizzer every 3 days. Most recently, Solar System AR 4D was updated on October 27, 2026 and AI Quizzer on October 26, 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.*