# Math 9 vs Grade 9 Science Practice

The clearest difference is update cadence: Math 9 at every 2 days against Grade 9 Science Practice's every 11 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math 9 ships an update every 2 days, Grade 9 Science Practice every 11 days. The most recent releases landed on September 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Math 9 | Grade 9 Science Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Size | 22 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dung Do Tri](https://appshunter.io/developer/1861127929) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Math 9

[App page](https://appshunter.io/ios/app/math-9/id6756517572)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grade 9 Science Practice

[App page](https://appshunter.io/ios/app/grade-9-science-practice/id6757635913)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math 9 free?

Math 9 is free to download, with no in-app purchases.

### Is Grade 9 Science Practice free?

Grade 9 Science Practice is free to download, with no in-app purchases.

### Do Math 9 or Grade 9 Science Practice have ads?

Neither Math 9 nor Grade 9 Science Practice shows ads.

### Which is updated more often, Math 9 or Grade 9 Science Practice?

Math 9 ships an update every 2 days, and Grade 9 Science Practice every 11 days. Most recently, Math 9 was updated on September 9, 2026 and Grade 9 Science Practice on September 6, 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.*