# The Impossible Memory Game vs ONO

The Impossible Memory Game and ONO both sit at 4.9 stars, but that hides the real split: 100% of ONO's written reviews are positive against 50% of The Impossible Memory Game's. The Impossible Memory Game's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. ONO sells 1 one-off in-app purchase. The Impossible Memory Game asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for The Impossible Memory Game against 5.0 for ONO. Both are backed by a comparable volume of ratings — 9 and 9 respectively. Written reviews are what separate them: 50% of The Impossible Memory Game's written reviews are positive against 100% of ONO's.

The Impossible Memory Game ships an update every 3 months, ONO every 2 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | The Impossible Memory Game | ONO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/the-impossible-memory-game/id848574056/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/ono-think-straight/id1533608908/reviews)** |
| Number of ratings | 9 | 9 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 98 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Real Maxwell LLC](https://appshunter.io/developer/1296946363) |

## What reviewers say

### The Impossible Memory Game

[App page](https://appshunter.io/ios/app/the-impossible-memory-game/id848574056)

Test your memory with a deceptively simple yet challenging game. This app pushes your recall abilities to their limits. See how much you can remember!

**Highlights:** Memory skill testing, Challenging gameplay, Simple interface, High score tracking

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

**In-app purchases:** none


### 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, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is The Impossible Memory Game free?

The Impossible Memory Game is free to download, with no in-app purchases.

### Is ONO free?

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

### Which has better reviews, The Impossible Memory Game or ONO?

ONO is rated higher. The Impossible Memory Game averages 4.9 out of 5 from 9 ratings, while ONO averages 5.0 from 9 ratings.

### Do The Impossible Memory Game or ONO have ads?

ONO shows ads; The Impossible Memory Game does not.

### Which is updated more often, The Impossible Memory Game or ONO?

The Impossible Memory Game ships an update every 3 months, and ONO every 2 months. Most recently, The Impossible Memory Game was updated on October 9, 2026 and ONO on October 14, 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.*