# Fast Math vs Mental Math

The clearest difference is review sentiment: Fast Math at 67% against Mental Math's 0%. Fast Math also leads on rating (5.0 vs 3.5) and monetization model (free vs freemium). Mental Math's advantage is update cadence (weekly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Fast Math sells 6 one-off in-app purchases and Mental Math sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Fast Math holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 67% of Fast Math's written reviews are positive against 0% of Mental Math's.

Fast Math ships an update every 4 months, Mental Math weekly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Fast Math | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fast-math-tips-and-tricks/id1463433291/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 11 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Bolard](https://appshunter.io/developer/355839736) | [Denys Kotenko](https://appshunter.io/developer/1869320256) |

## What reviewers say

### Fast Math

[App page](https://appshunter.io/ios/app/fast-math-tips-and-tricks/id1463433291)

Master mental arithmetic with 59 lessons on addition, subtraction, multiplication, and division. Improve your calculation speed and accuracy through engaging training modes and friendly competition.

**Highlights:** 59 mental arithmetic lessons, Addition, subtraction, multiplication, division tips, Calculation checking techniques, Timed training mode, Game Center comparison

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Turbo Boost | $0.99 | one-time |
| Perfect Squares | $0.99 | one-time |
| Divisibility | $0.99 | one-time |
| Casting Out Nines | $0.99 | one-time |
| Casting Out Elevens | $0.99 | one-time |
| Unlock All Sections | $3.99 | one-time |


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865)

Enhance concentration and mental speed with daily mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

**Highlights:** Performance testing, Mental math training (add, subtract, multiply, divide), Customizable exercises, Progress tracking, Minimalist design, Focus improvement

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: Focus & Mental Math | $3.99 | per month |
| Pro Yearly: Focus & Mental Math | $17.99 | per year |


## Frequently asked questions

### Is Fast Math free?

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

### Is Mental Math free?

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

### Which has better reviews, Fast Math or Mental Math?

Fast Math is rated higher. Fast Math averages 5.0 out of 5 from 2 ratings, while Mental Math averages 3.5 from 4 ratings.

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

Neither Fast Math nor Mental Math shows ads.

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

Fast Math ships an update every 4 months, and Mental Math weekly. Most recently, Fast Math was updated on September 18, 2026 and Mental Math on September 23, 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.*