# Klatt vs Ahaaa Math

The clearest difference is price: Ahaaa Math at Free against Klatt's $0.99. Ahaaa Math also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 16.0). Klatt's advantage is in-app purchases (none vs 8) and ads (none vs shown). On device support there is nothing between them.

Ahaaa Math is free to download; Klatt costs $0.99 up front. Ahaaa Math sells 8 in-app purchases, starting at $2.99 per 7 days. Klatt asks for nothing beyond the download.

Klatt ships an update every 2 months, Ahaaa Math every 3 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Klatt | Ahaaa Math |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.3 (101 ratings)](https://appshunter.io/ios/app/ahaaa-math-prek-5-math-games/id1582782813/reviews)** |
| Number of ratings | — | **101** |
| Positive reviews | — | 72.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 10 MB | 215 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anita Koller-Levai](https://appshunter.io/developer/1252394123) | [Ahaaa Education Technology Co., Ltd.](https://appshunter.io/developer/1470347128) |

## What reviewers say

### Klatt

[App page](https://appshunter.io/ios/app/klatt-words/id1419986728)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ahaaa Math

[App page](https://appshunter.io/ios/app/ahaaa-math-prek-5-math-games/id1582782813)

This app offers a fun, game-based approach to mastering math skills for children in PreK through 5th grade. It uses interactive lessons and engaging storylines to build number sense and problem-solving abilities, adapting to each child's learning level.

**Highlights:** Game-based math lessons, Counting, addition, subtraction, multiplication, division practice, Number sense and problem-solving skills, CCSS-aligned content, Adaptive learning system, Progress tracking, Ad-free experience

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-week subscription | $2.99 | per 7 days |
| 1-month Subscription | $8.99 | per month |
| 1-week subscription | $8.99 | per 7 days |
| 1 Month Full Access | $8.99 | per month |
| 1-month subscription | $14.99 | per month |
| 12-month Subscription | $59.99 | per year |
| 1 Year Full Access | $59.99 | per year |
| 12-month Subscription | $99.99 | per year |


## Frequently asked questions

### Is Klatt free?

Klatt costs $0.99, with no in-app purchases.

### Is Ahaaa Math free?

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

### Do Klatt or Ahaaa Math have ads?

Ahaaa Math shows ads; Klatt does not.

### Which is updated more often, Klatt or Ahaaa Math?

Klatt ships an update every 2 months, and Ahaaa Math every 3 weeks. Most recently, Klatt was updated on October 20, 2026 and Ahaaa Math on October 27, 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.*