# Spelling Quizzer vs Solar System AR 4D

The clearest difference is price: Solar System AR 4D at Free against Spelling Quizzer's $0.99. Solar System AR 4D also leads on iOS requirement (12.0 vs 15.0). Spelling Quizzer's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

Solar System AR 4D is free to download; Spelling Quizzer costs $0.99 up front. Solar System AR 4D sells 1 one-off in-app purchase. Spelling Quizzer asks for nothing beyond the download.

Spelling Quizzer ships an update every 44 months, Solar System AR 4D every 46 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spelling Quizzer | Solar System AR 4D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 44 months** | Every 46 months |
| Size | 44 MB | 122 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dan Johnson](https://appshunter.io/developer/334217078) | [Ibrahim Amer](https://appshunter.io/developer/1054899889) |

## What reviewers say

### Spelling Quizzer

[App page](https://appshunter.io/ios/app/spelling-quizzer/id1585033916)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Spelling Quizzer free?

Spelling Quizzer costs $0.99, with no in-app purchases.

### Is Solar System AR 4D free?

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

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

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

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

Spelling Quizzer ships an update every 44 months, and Solar System AR 4D every 46 months. Most recently, Spelling Quizzer was updated on October 15, 2026 and Solar System AR 4D 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.*