# かなもじ vs StroopEffect2

The clearest difference is review sentiment: StroopEffect2 at 100% against かなもじ's 70%. StroopEffect2 also leads on device support (3 vs 1) and price ($2.99 vs $3.99). かなもじ's advantage is update cadence (every 2 months vs every 14 months) and iOS requirement (9.0 vs 15.6). On ads and in-app purchases there is nothing between them.

かなもじ 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 ships an update every 2 months, StroopEffect2 every 14 months. The most recent releases landed on August 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | かなもじ | StroopEffect2 |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id376561911/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 70.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | — | Paid |
| Size | 62 MB | 2 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPad | **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

[App page](https://appshunter.io/ios/app/id376561911)

**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 free?

かなもじ 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 or StroopEffect2 have ads?

Neither かなもじ nor StroopEffect2 shows ads.

### Which is updated more often, かなもじ or StroopEffect2?

かなもじ ships an update every 2 months, and StroopEffect2 every 14 months. Most recently, かなもじ was updated on August 8, 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.*