# C2 Flanker Task vs 0秒思考アプリ

The clearest difference is update cadence: 0秒思考アプリ at daily against C2 Flanker Task's every 12 months. C2 Flanker Task's advantage is price ($3.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

C2 Flanker Task costs $3.99 and 0秒思考アプリ $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

C2 Flanker Task ships an update every 12 months, 0秒思考アプリ daily. Both last shipped on November 7, 2026.

## The numbers

| Metric | C2 Flanker Task | 0秒思考アプリ |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Paid | — |
| Size | 1 MB | 14 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [takanori hosoi](https://appshunter.io/developer/642106741) |

## What reviewers say

### C2 Flanker Task

[App page](https://appshunter.io/ios/app/c2-flanker-task/id1629584722)

This app measures response times for a flanker task, recording data in milliseconds. Export your results to a CSV file for analysis in spreadsheet applications. Customize the task by altering coloring, background brightness, and arrow shapes.

**Highlights:** Measures response time in milliseconds, CSV data export for spreadsheets, Customizable task parameters, Analyzes flanker task effects, Supports iPhone and iPad

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

**In-app purchases:** none


### 0秒思考アプリ

[App page](https://appshunter.io/ios/app/0/id1663458038)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is C2 Flanker Task free?

C2 Flanker Task costs $3.99, with no in-app purchases.

### Is 0秒思考アプリ free?

0秒思考アプリ costs $4.99, with no in-app purchases.

### Do C2 Flanker Task or 0秒思考アプリ have ads?

Neither C2 Flanker Task nor 0秒思考アプリ shows ads.

### Which is updated more often, C2 Flanker Task or 0秒思考アプリ?

C2 Flanker Task ships an update every 12 months, and 0秒思考アプリ daily. Most recently, C2 Flanker Task was updated on November 7, 2026 and 0秒思考アプリ on November 7, 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.*