# Kukuku! 3 vs Mental Math Tricks

The clearest difference is in-app purchases: Kukuku! 3 at none against Mental Math Tricks's 2. Kukuku! 3 also leads on update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mental Math Tricks sells 2 one-off in-app purchases. Kukuku! 3 asks for nothing beyond the download.

Kukuku! 3 ships an update fortnightly, Mental Math Tricks every 4 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Kukuku! 3 | Mental Math Tricks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-tricks-mathmind/id6763278096/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keita Ide](https://appshunter.io/developer/1804599366) | [Rouba Kiprianos](https://appshunter.io/developer/1895243777) |

## What reviewers say

### Kukuku! 3

[App page](https://appshunter.io/ios/app/kukuku-3-digit-multiplication/id6759827804)

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

**In-app purchases:** none


### Mental Math Tricks

[App page](https://appshunter.io/ios/app/mental-math-tricks-mathmind/id6763278096)

Master mental math techniques to calculate faster than a calculator. Learn proven tricks for multiplication, division, percentages, and more through clear explanations, practice drills, and timed challenges. Track your progress and build a consistent learning habit.

**Highlights:** 30 proven mental math tricks, Techniques for multiplication, division, percentages, fractions, and more, Step-by-step explanations and 'why it works' sections, Infinite auto-generated practice problems, Timed challenges and daily challenges, Progress tracking with speed graphs and day streaks

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Unlock | $2.99 | one-time |
| Pro Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Kukuku! 3 free?

Kukuku! 3 is free to download, with no in-app purchases.

### Is Mental Math Tricks free?

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

### Do Kukuku! 3 or Mental Math Tricks have ads?

Neither Kukuku! 3 nor Mental Math Tricks shows ads.

### Which is updated more often, Kukuku! 3 or Mental Math Tricks?

Kukuku! 3 ships an update fortnightly, and Mental Math Tricks every 4 months. Most recently, Kukuku! 3 was updated on October 25, 2026 and Mental Math Tricks on October 12, 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.*