# Stroop! vs NBack Game

The clearest difference is review sentiment: NBack Game at 89% against Stroop!'s 25%. NBack Game also leads on rating (5.0 vs 3.9) and ads (none vs shown). Stroop!'s advantage is iOS requirement (11.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

NBack Game holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 27 respectively. Written reviews point the same way: 25% of Stroop!'s written reviews are positive against 89% of NBack Game's.

Stroop! ships an update every 2 weeks, NBack Game every 3 weeks. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Stroop! | NBack Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/stroop-brain-training/id1503193092/reviews) | **[5.0 (27 ratings)](https://appshunter.io/ios/app/nback-game/id1542512368/reviews)** |
| Number of ratings | 7 | **27** |
| Positive reviews | 25.0% of reviews | **89.5% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 86 MB | 19 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Kadono](https://appshunter.io/developer/1502517927) | [Kornel Miszczak](https://appshunter.io/developer/1542512370) |

## What reviewers say

### Stroop!

[App page](https://appshunter.io/ios/app/stroop-brain-training/id1503193092)

This colorful puzzle game challenges your perception and reaction time. Match the color of the word to the word's actual color, not the word itself, under a strict time limit. Compete for high scores in this engaging brain-training experience.

**Highlights:** Color word matching, Time-limited challenges, High score competition, Multilingual word support, Reverse Stroop Effect gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### NBack Game

[App page](https://appshunter.io/ios/app/nback-game/id1542512368)

This game challenges your memory by requiring you to match sounds and positions from a specified number of rounds ago. Regular play has been shown to enhance both short-term and long-term memory recall. Unlock new levels as you successfully complete each stage of increasing difficulty.

**Highlights:** N-back task implementation, Sound and position matching, Short and long-term memory improvement, 25 difficulty levels, Progressive level unlocking, In-game tutorial

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stroop! free?

Stroop! is free to download, with no in-app purchases.

### Is NBack Game free?

NBack Game is free to download, with no in-app purchases.

### Which has better reviews, Stroop! or NBack Game?

NBack Game is rated higher. Stroop! averages 3.9 out of 5 from 7 ratings, while NBack Game averages 5.0 from 27 ratings.

### Do Stroop! or NBack Game have ads?

Stroop! shows ads; NBack Game does not.

### Which is updated more often, Stroop! or NBack Game?

Stroop! ships an update every 2 weeks, and NBack Game every 3 weeks. Most recently, Stroop! was updated on September 29, 2026 and NBack Game on October 11, 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.*