# ONO vs Brain Power

The clearest difference is in-app purchases: Brain Power at none against ONO's 1. Brain Power also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. ONO sells 1 one-off in-app purchase. Brain Power asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ONO against 5.0 for Brain Power. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ONO ships an update every 2 months, Brain Power weekly. The most recent releases landed on September 10, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | ONO | Brain Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/ono-think-straight/id1533608908/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/brain-power-test-your-mind/id6748563419/reviews) |
| Number of ratings | **9** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 129 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Real Maxwell LLC](https://appshunter.io/developer/1296946363) | [Devin Alexander Young](https://appshunter.io/developer/1792642941) |

## What reviewers say

### ONO

[App page](https://appshunter.io/ios/app/ono-think-straight/id1533608908)

A unique logic puzzle game where you clear 'O's from the screen to achieve 'ONO'. It offers a hybrid casual puzzle experience with increasing complexity and variety. Designed to improve clarity, focus, and working memory through engaging gameplay.

**Highlights:** Unique logic puzzle mechanics, Chain reaction gameplay, Hybrid casual puzzle experience, Improves clarity and focus, 24 levels with increasing difficulty, Free play mode, Thousands of puzzle variations

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads in ONO | $0.99 | one-time |


### Brain Power

[App page](https://appshunter.io/ios/app/brain-power-test-your-mind/id6748563419)

Engage in three distinct brain-training games designed to challenge your cognitive abilities. Compete globally in Challenge Mode or play casually to improve your scores. Test your logic, memory, and speed with unique gameplay mechanics.

**Highlights:** Challenge Mode for global competition, Casual play for individual improvement, Order Of Operations puzzle, Follow The Leader memory game, Speed card game, Test logic, memory, and speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONO free?

ONO is free to download, with in-app purchases available.

### Is Brain Power free?

Brain Power is free to download, with no in-app purchases.

### Which has better reviews, ONO or Brain Power?

ONO and Brain Power are both rated 5.0 out of 5 on the App Store, from 9 and 4 ratings respectively.

### Do ONO or Brain Power have ads?

ONO shows ads; Brain Power does not.

### Which is updated more often, ONO or Brain Power?

ONO ships an update every 2 months, and Brain Power weekly. Most recently, ONO was updated on September 10, 2026 and Brain Power on June 5, 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.*