# Stroop Test J Lite vs ECCJアプリ

The clearest difference is ads: ECCJアプリ at none against Stroop Test J Lite's shown. ECCJアプリ also leads on update cadence (every 2 weeks vs every 36 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stroop Test J Lite ships an update every 36 months, ECCJアプリ every 2 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stroop Test J Lite | ECCJアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 36 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 4 MB | 30 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Takuya Kawakami](https://appshunter.io/developer/721449462) | [Edgar Cayce Center in Japan](https://appshunter.io/developer/1789301093) |

## What reviewers say

### Stroop Test J Lite

[App page](https://appshunter.io/ios/app/stroop-test-j-lite/id1095231198)

This app measures response inhibition and attention by presenting a classic cognitive test. It helps assess potential frontal lobe dysfunction and interference processing. Results indicate time taken and errors, with higher scores suggesting greater impairment.

**Highlights:** Response inhibition assessment, Attention division test, Measures time to complete, Counts mistakes, Interference processing evaluation

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

**In-app purchases:** none


### ECCJアプリ

[App page](https://appshunter.io/ios/app/eccj/id6758862772)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stroop Test J Lite free?

Stroop Test J Lite is free to download, with no in-app purchases.

### Is ECCJアプリ free?

ECCJアプリ is free to download, with no in-app purchases.

### Do Stroop Test J Lite or ECCJアプリ have ads?

Stroop Test J Lite shows ads; ECCJアプリ does not.

### Which is updated more often, Stroop Test J Lite or ECCJアプリ?

Stroop Test J Lite ships an update every 36 months, and ECCJアプリ every 2 weeks. Most recently, Stroop Test J Lite was updated on October 14, 2026 and ECCJアプリ on October 12, 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.*