# SubMitter vs Math Sphere

The clearest difference is iOS requirement: Math Sphere at 13.0 against SubMitter's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SubMitter ships an update monthly, Math Sphere every 3 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SubMitter | Math Sphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 69 MB | 25 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MAIASOFT, K.K.](https://appshunter.io/developer/1226812728) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### SubMitter

[App page](https://appshunter.io/ios/app/submitter/id6443804913)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Sphere

[App page](https://appshunter.io/ios/app/math-sphere/id6749747366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SubMitter free?

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

### Is Math Sphere free?

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

### Do SubMitter or Math Sphere have ads?

Neither SubMitter nor Math Sphere shows ads.

### Which is updated more often, SubMitter or Math Sphere?

SubMitter ships an update monthly, and Math Sphere every 3 weeks. Most recently, SubMitter was updated on October 2, 2026 and Math Sphere on October 8, 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.*