# Math Marvel vs Grammar Fix & Spell Checker

The clearest difference is in-app purchases: Math Marvel at none against Grammar Fix & Spell Checker's 2. Math Marvel also leads on update cadence (every 3 months vs every 23 months) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Grammar Fix & Spell Checker sells 2 in-app purchases, starting at $4.99 per 7 days. Math Marvel asks for nothing beyond the download.

Math Marvel ships an update every 3 months, Grammar Fix & Spell Checker every 23 months. The most recent releases landed on June 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Math Marvel | Grammar Fix & Spell Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/math-marvel/id1477458122/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 23 months |
| Monetization | Free | — |
| Size | 25 MB | 107 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mahendrasinh Gohil](https://appshunter.io/developer/1122149629) | [Ajay Gorasiya](https://appshunter.io/developer/1455174866) |

## What reviewers say

### Math Marvel

[App page](https://appshunter.io/ios/app/math-marvel/id1477458122)

Learn fundamental math concepts through engaging and interactive exercises. The difficulty progresses gradually, and you can track your scores and levels passed. Includes a break activity called Mystic Square.

**Highlights:** Fun and interactive math learning, Gradually increasing difficulty, Score and level tracking, Mystic Square break activity, Learn basic math operations

**Features:** macOS Compatibility

**In-app purchases:** none


### Grammar Fix & Spell Checker

[App page](https://appshunter.io/ios/app/grammar-fix-and-spell-checker/id6504238476)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $19.99 | per year |


## Frequently asked questions

### Is Math Marvel free?

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

### Is Grammar Fix & Spell Checker free?

Grammar Fix & Spell Checker is free to download, with in-app purchases available.

### Do Math Marvel or Grammar Fix & Spell Checker have ads?

Neither Math Marvel nor Grammar Fix & Spell Checker shows ads.

### Which is updated more often, Math Marvel or Grammar Fix & Spell Checker?

Math Marvel ships an update every 3 months, and Grammar Fix & Spell Checker every 23 months. Most recently, Math Marvel was updated on June 3, 2026 and Grammar Fix & Spell Checker on September 25, 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.*