# Infinite Challenger vs Mathmory

The clearest difference is in-app purchases: Infinite Challenger at none against Mathmory's 1. Mathmory's advantage is update cadence (every 3 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mathmory sells 1 one-off in-app purchase. Infinite Challenger asks for nothing beyond the download.

Infinite Challenger ships an update every 7 months, Mathmory every 3 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Infinite Challenger | Mathmory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 57 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [智猛 周](https://appshunter.io/developer/1330175538) | [Bilge Acilikaya](https://appshunter.io/developer/959377817) |

## What reviewers say

### Infinite Challenger

[App page](https://appshunter.io/ios/app/infinite-challenger/id6444240938)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathmory

[App page](https://appshunter.io/ios/app/mathmory-math-and-memory-game/id6740012501)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Hint Coin | $1.19 | one-time |


## Frequently asked questions

### Is Infinite Challenger free?

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

### Is Mathmory free?

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

### Do Infinite Challenger or Mathmory have ads?

Both Infinite Challenger and Mathmory show ads.

### Which is updated more often, Infinite Challenger or Mathmory?

Infinite Challenger ships an update every 7 months, and Mathmory every 3 months. Most recently, Infinite Challenger was updated on September 17, 2026 and Mathmory on September 9, 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.*