# Kanji Robo. vs First grade Math

The clearest difference is price: Kanji Robo. at Free against First grade Math's $2.99. Kanji Robo. also leads on update cadence (every 4 months vs every 28 months). First grade Math's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Kanji Robo. is free to download; First grade Math costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kanji Robo. ships an update every 4 months, First grade Math every 28 months. The most recent releases landed on September 15, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Kanji Robo. | First grade Math |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kanji-robo/id568868675/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 28 months |
| Monetization | Ad-supported | — |
| Size | 68 MB | 18 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MASAHIRO MIZUTANI](https://appshunter.io/developer/368158224) | [Sergey Malugin](https://appshunter.io/developer/562782409) |

## What reviewers say

### Kanji Robo.

[App page](https://appshunter.io/ios/app/kanji-robo/id568868675)

Master Japanese Kanji characters with this fun and interactive learning app.  It offers a quiz-style approach, allowing users to test their knowledge by selecting the correct reading for displayed Kanji.  Ideal for beginners, it covers characters from the first to sixth grades.

**Highlights:** Kanji character recognition, Multiple-choice yomi selection, Grade-level specific content, Beginner-friendly interface, Interactive learning games

**Features:** Vision Pro support

**In-app purchases:** none


### First grade Math

[App page](https://appshunter.io/ios/app/first-grade-math-subtraction/id1271513744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kanji Robo. free?

Kanji Robo. is free to download, with no in-app purchases.

### Is First grade Math free?

First grade Math costs $2.99, with no in-app purchases.

### Do Kanji Robo. or First grade Math have ads?

Kanji Robo. shows ads; First grade Math does not.

### Which is updated more often, Kanji Robo. or First grade Math?

Kanji Robo. ships an update every 4 months, and First grade Math every 28 months. Most recently, Kanji Robo. was updated on September 15, 2026 and First grade Math on October 26, 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.*