# C2 Stroop Task vs Stroop Buddy

The clearest difference is update cadence: C2 Stroop Task at every 10 months against Stroop Buddy's every 25 months. Stroop Buddy's advantage is price ($1.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

C2 Stroop Task costs $3.99 and Stroop Buddy $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

C2 Stroop Task ships an update every 10 months, Stroop Buddy every 25 months. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | C2 Stroop Task | Stroop Buddy |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stroop-buddy/id6476831206/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 25 months |
| Monetization | — | Paid |
| Size | 1 MB | 34 MB |
| Requires iOS | 15.6 | **14.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Byrt](https://appshunter.io/developer/1084236360) |

## What reviewers say

### C2 Stroop Task

[App page](https://appshunter.io/ios/app/c2-stroop-task/id1638265933)

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

**In-app purchases:** none


### Stroop Buddy

[App page](https://appshunter.io/ios/app/stroop-buddy/id6476831206)

This app provides an interactive way to take the classic Stroop Test, measuring cognitive flexibility and processing speed. It offers customizable tests, immediate performance feedback, and data export for further analysis. Designed for ease of use on mobile devices, it's a fun tool for cognitive skill enhancement.

**Highlights:** Customizable Stroop tests, Instant performance feedback, Data export via email, User-friendly interface, Tests cognitive flexibility, Measures processing speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C2 Stroop Task free?

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

### Is Stroop Buddy free?

Stroop Buddy costs $1.99, with no in-app purchases.

### Do C2 Stroop Task or Stroop Buddy have ads?

Neither C2 Stroop Task nor Stroop Buddy shows ads.

### Which is updated more often, C2 Stroop Task or Stroop Buddy?

C2 Stroop Task ships an update every 10 months, and Stroop Buddy every 25 months. Most recently, C2 Stroop Task was updated on September 24, 2026 and Stroop Buddy on September 9, 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.*