# かなもじ for iPhone (ひらがな & カタカナ) vs StroopEffect2

The clearest difference is review sentiment: StroopEffect2 at 100% against かなもじ for iPhone (ひらがな & カタカナ)'s 60%. StroopEffect2 also leads on price ($2.99 vs $3.99). かなもじ for iPhone (ひらがな & カタカナ)'s advantage is update cadence (every 5 months vs every 14 months) and iOS requirement (9.0 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

かなもじ for iPhone (ひらがな & カタカナ) costs $3.99 and StroopEffect2 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

かなもじ for iPhone (ひらがな & カタカナ) ships an update every 5 months, StroopEffect2 every 14 months. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | かなもじ for iPhone (ひらがな & カタカナ) | StroopEffect2 |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | Paid | Paid |
| Size | 60 MB | 2 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### かなもじ for iPhone (ひらがな & カタカナ)

[App page](https://appshunter.io/ios/app/for-iphone-and/id545913143)

Learn Japanese hiragana and katakana through interactive illustrations and tracing exercises. This app offers a fun and engaging way for children and parents to master Japanese characters, including voiced, semi-voiced, and small kana.

**Highlights:** Interactive illustrations, Character tracing, Learn hiragana and katakana, Supports voiced and small kana, Parent-child play, Customizable settings

**Features:** macOS Compatibility

**In-app purchases:** none


### StroopEffect2

[App page](https://appshunter.io/ios/app/stroopeffect2/id1050388935)

This app demonstrates the psychological phenomenon known as the Stroop effect. It presents a time-trial game where users must identify the color of words, even when the word itself names a different color. It's a fun way to explore cognitive processing and reaction times.

**Highlights:** Stroop effect demonstration, Time trial game mode, Cognitive processing experiment, Reaction time measurement, Educational psychology tool

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

**In-app purchases:** none


## Frequently asked questions

### Is かなもじ for iPhone (ひらがな & カタカナ) free?

かなもじ for iPhone (ひらがな & カタカナ) costs $3.99, with no in-app purchases.

### Is StroopEffect2 free?

StroopEffect2 costs $2.99, with no in-app purchases.

### Do かなもじ for iPhone (ひらがな & カタカナ) or StroopEffect2 have ads?

Neither かなもじ for iPhone (ひらがな & カタカナ) nor StroopEffect2 shows ads.

### Which is updated more often, かなもじ for iPhone (ひらがな & カタカナ) or StroopEffect2?

かなもじ for iPhone (ひらがな & カタカナ) ships an update every 5 months, and StroopEffect2 every 14 months. Most recently, かなもじ for iPhone (ひらがな & カタカナ) was updated on September 28, 2026 and StroopEffect2 on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*