# Grade 9 Math Mastery vs MindBoost Maths Academy

The clearest difference is update cadence: MindBoost Maths Academy at monthly against Grade 9 Math Mastery's every 5 months. MindBoost Maths Academy also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Grade 9 Math Mastery sells 2 in-app purchases, starting at $4.99 per month and MindBoost Maths Academy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Grade 9 Math Mastery ships an update every 5 months, MindBoost Maths Academy monthly. The most recent releases landed on September 10, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | Grade 9 Math Mastery | MindBoost Maths Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 7 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eager.app](https://appshunter.io/developer/1550371160) | [Iveta Kukoja](https://appshunter.io/developer/1892455964) |

## What reviewers say

### Grade 9 Math Mastery

[App page](https://appshunter.io/ios/app/grade-9-math-mastery/id6760619466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grade 9 Math Mastery — Monthly | $4.99 | per month |
| Grade 9 Math Mastery — Annual | $29.99 | per year |


### MindBoost Maths Academy

[App page](https://appshunter.io/ios/app/mindboost-maths-academy/id6762012731)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindBoost Maths Premium (Monthly) | $4.99 | per month |
| MindBoost Maths Premium (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is Grade 9 Math Mastery free?

Grade 9 Math Mastery is free to download, with in-app purchases available.

### Is MindBoost Maths Academy free?

MindBoost Maths Academy is free to download, with in-app purchases available.

### Do Grade 9 Math Mastery or MindBoost Maths Academy have ads?

Neither Grade 9 Math Mastery nor MindBoost Maths Academy shows ads.

### Which is updated more often, Grade 9 Math Mastery or MindBoost Maths Academy?

Grade 9 Math Mastery ships an update every 5 months, and MindBoost Maths Academy monthly. Most recently, Grade 9 Math Mastery was updated on September 10, 2026 and MindBoost Maths Academy on August 11, 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.*