# C2 Stroop Task vs NBack Buddy

The clearest difference is price: NBack Buddy at $1.99 against C2 Stroop Task's $3.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | C2 Stroop Task | NBack Buddy |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nback-buddy/id6755494958/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | — | Paid |
| Size | 1 MB | 35 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


### NBack Buddy

[App page](https://appshunter.io/ios/app/nback-buddy/id6755494958)

This app offers scientifically validated training for working memory using the N-Back task. It features multiple stimulus types, adjustable difficulty, and detailed performance tracking in a distraction-free interface.

**Highlights:** N-Back working memory training, Multiple stimulus modalities, Adjustable difficulty levels (1-9 back), Distraction-free interface, Performance tracking and statistics, Data export for research

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

**In-app purchases:** none


## Frequently asked questions

### Is C2 Stroop Task free?

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

### Is NBack Buddy free?

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

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

Neither C2 Stroop Task nor NBack Buddy shows ads.

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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.*