# Math Grade Six vs CoursFox

The clearest difference is in-app purchases: Math Grade Six at none against CoursFox's 3. Math Grade Six also leads on iOS requirement (13.0 vs 17.0). CoursFox's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. CoursFox sells 3 in-app purchases, starting at $7.99 per month. Math Grade Six asks for nothing beyond the download.

Math Grade Six ships an update every 3 weeks, CoursFox every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Math Grade Six | CoursFox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 24 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ngoc Anh Nguyen](https://appshunter.io/developer/1861262689) | [Platka Software Digital](https://appshunter.io/developer/1885569538) |

## What reviewers say

### Math Grade Six

[App page](https://appshunter.io/ios/app/math-grade-six/id6756538273)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoursFox

[App page](https://appshunter.io/ios/app/coursfox-pdf-to-courses/id6777681629)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $7.99 | per month |
| 6-Month Plan | $39.99 | per 6 months |
| Annual Plan | $69.99 | per year |


## Frequently asked questions

### Is Math Grade Six free?

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

### Is CoursFox free?

CoursFox is free to download, with in-app purchases available.

### Do Math Grade Six or CoursFox have ads?

Neither Math Grade Six nor CoursFox shows ads.

### Which is updated more often, Math Grade Six or CoursFox?

Math Grade Six ships an update every 3 weeks, and CoursFox every 5 days. Most recently, Math Grade Six was updated on October 28, 2026 and CoursFox on October 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.*