# Math game vs Sphinxy

The clearest difference is in-app purchases: Math game at none against Sphinxy's 1. Math game also leads on iOS requirement (15.0 vs 18.5). Sphinxy's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Sphinxy sells 1 one-off in-app purchase. Math game asks for nothing beyond the download.

Math game ships an update every 3 months, Sphinxy every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Math game | Sphinxy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 79 MB | 40 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Miura](https://appshunter.io/developer/583254123) | [Maciej Mejer](https://appshunter.io/developer/1451053720) |

## What reviewers say

### Math game

[App page](https://appshunter.io/ios/app/math-game-digitsync/id6757258074)

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

**In-app purchases:** none


### Sphinxy

[App page](https://appshunter.io/ios/app/sphinxy-ancient-egypt-riddles/id6758882292)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sphinxy Premium Version | $0.99 | one-time |


## Frequently asked questions

### Is Math game free?

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

### Is Sphinxy free?

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

### Do Math game or Sphinxy have ads?

Math game shows ads; Sphinxy does not.

### Which is updated more often, Math game or Sphinxy?

Math game ships an update every 3 months, and Sphinxy every 3 weeks. Most recently, Math game was updated on October 25, 2026 and Sphinxy 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.*