# SpeedMath Trainer vs Memory Kanji

The clearest difference is price: SpeedMath Trainer at Free against Memory Kanji's $3.99. SpeedMath Trainer also leads on iOS requirement (16.6 vs 18.2). Memory Kanji's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment and device support there is nothing between them.

SpeedMath Trainer is free to download; Memory Kanji costs $3.99 up front. SpeedMath Trainer sells 1 one-off in-app purchase. Memory Kanji asks for nothing beyond the download.

## The numbers

| Metric | SpeedMath Trainer | Memory Kanji |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 66 MB | 6 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) | [Antonio Cetrangolo](https://appshunter.io/developer/1801473070) |

## What reviewers say

### SpeedMath Trainer

[App page](https://appshunter.io/ios/app/speedmath-trainer/id6741766444)

Engage in rapid, rhythm-based mental math exercises to boost focus, reaction time, and arithmetic skills. This app offers timed challenges with instant feedback and detailed performance tracking in a visually appealing interface.

**Highlights:** Short, timed mental math challenges, Rhythm-based problem solving, Performance tracking dashboards, Detailed results with breakdowns, Achievement sharing and friend challenges, Premium mode for full access and ad removal

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeedMath Premium | $0.99 | one-time |


### Memory Kanji

[App page](https://appshunter.io/ios/app/memory-kanji/id6744639906)

This app turns learning Japanese kanji into a fun memory card game. Match kanji with their readings and translations to improve recall and retention. It adapts to your study path and complements any learning method.

**Highlights:** Kanji matching memory game, Customizable kanji selection, JLPT N5, N4, N3 levels included, Offline functionality, Progress tracking with scoring, Multiple difficulty modes

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

**In-app purchases:** none


## Frequently asked questions

### Is SpeedMath Trainer free?

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

### Is Memory Kanji free?

Memory Kanji costs $3.99, with no in-app purchases.

### Do SpeedMath Trainer or Memory Kanji have ads?

SpeedMath Trainer shows ads; Memory Kanji does not.

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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.*