# 9th Grade Math Challenge vs Grade 9 Math Mastery

The clearest difference is iOS requirement: 9th Grade Math Challenge at 13.0 against Grade 9 Math Mastery's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 9th Grade Math Challenge sells 1 one-off in-app purchase and Grade 9 Math Mastery sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

9th Grade Math Challenge ships an update every 7 months, Grade 9 Math Mastery every 5 months. The most recent releases landed on October 21, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 9th Grade Math Challenge | Grade 9 Math Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (13 ratings)](https://appshunter.io/ios/app/9th-grade-math-challenge/id1537491129/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IT365 Solutions Inc](https://appshunter.io/developer/1531416759) | [Eager.app](https://appshunter.io/developer/1550371160) |

## What reviewers say

### 9th Grade Math Challenge

[App page](https://appshunter.io/ios/app/9th-grade-math-challenge/id1537491129)

Test your 9th-grade math skills with a challenging game featuring 100 levels and puzzles. Track your progress, share your score with a certificate, and compete with friends. Detailed solutions are provided for better understanding.

**Highlights:** 100 math questions/levels, Math puzzles, Score certificate creation, Friend challenges, Step-by-step solutions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads from Math 9 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is 9th Grade Math Challenge free?

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

### Is Grade 9 Math Mastery free?

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

### Do 9th Grade Math Challenge or Grade 9 Math Mastery have ads?

Neither 9th Grade Math Challenge nor Grade 9 Math Mastery shows ads.

### Which is updated more often, 9th Grade Math Challenge or Grade 9 Math Mastery?

9th Grade Math Challenge ships an update every 7 months, and Grade 9 Math Mastery every 5 months. Most recently, 9th Grade Math Challenge was updated on October 21, 2026 and Grade 9 Math Mastery on September 29, 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.*