# Fast Math vs Infinite Math

The clearest difference is in-app purchases: Infinite Math at none against Fast Math's 4. Fast Math's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Fast Math sells 4 in-app purchases, starting at $1.99 per 7 days. Infinite Math asks for nothing beyond the download.

Fast Math ships an update every 9 days, Infinite Math weekly. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Fast Math | Infinite Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fast-math-mental-math-games/id6758257973/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Youssef Ziat](https://appshunter.io/developer/1871790298) | [kenta yamamoto](https://appshunter.io/developer/1489320554) |

## What reviewers say

### Fast Math

[App page](https://appshunter.io/ios/app/fast-math-mental-math-games/id6758257973)

Sharpen your mental math skills with quick, timed challenges. Improve focus and accuracy through arithmetic, number sequences, and IQ-style scoring. Sessions are short, fitting easily into any break, and the app works entirely offline.

**Highlights:** Short, timed math sessions (1-5 min), Arithmetic and number sequence challenges, IQ-style scoring (accuracy + speed), Offline functionality, Progress tracking, Distraction-free design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast Math Weekly | $1.99 | per 7 days |
| Fast Math Monthly | $4.99 | per month |
| Fast Math Yearly | $19.99 | per year |
| Lifetime Access | $29.99 | one-time |


### Infinite Math

[App page](https://appshunter.io/ios/app/infinite-math-brain-puzzles/id6772833413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Math free?

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

### Is Infinite Math free?

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

### Do Fast Math or Infinite Math have ads?

Infinite Math shows ads; Fast Math does not.

### Which is updated more often, Fast Math or Infinite Math?

Fast Math ships an update every 9 days, and Infinite Math weekly. Most recently, Fast Math was updated on October 20, 2026 and Infinite Math on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*