# iMimic vs O

The clearest difference is ads: iMimic at none against O's shown. iMimic also leads on chart position (#182 vs unranked) and review sentiment (84% vs 73%). O's advantage is rating (4.6 vs 4.1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. iMimic sells 1 one-off in-app purchase and O sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

O holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 824 and 195 respectively. Written reviews complicate that: 84% of iMimic's written reviews are positive against 73% of O's, so the app with the better star average is not the one people write more warmly about.

iMimic ships an update every 5 months, O every 4 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iMimic | O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (824 ratings)](https://appshunter.io/ios/app/imimic-80s-vintage-electronic-memory-game/id412842007/reviews) | **[4.6 (195 ratings)](https://appshunter.io/ios/app/o-void/id6449623550/reviews)** |
| Number of ratings | **824** | 195 |
| Positive reviews | **83.8% of reviews** | 72.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#182** | — |
| Size | 42 MB | 52 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fernando Sciessere](https://appshunter.io/developer/366268787) | [Gearhead Games ApS](https://appshunter.io/developer/1163605497) |

## What reviewers say

### iMimic

[App page](https://appshunter.io/ios/app/imimic-80s-vintage-electronic-memory-game/id412842007)

**Currently charting:** #182 Top Free · Music, #185 Top Grossing · Music (US App Store)

Relive the 80s with this retro electronic memory game. Repeat increasingly complex sequences of lights and sounds to test your recall. Compete on global leaderboards and unlock achievements.

**Highlights:** Repeat light and sound sequences, Increasingly challenging rounds, Global leaderboards, Unlockable achievements, Ultra-fast touch response, Retro artwork and graphics, Monochromic gameplay mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Realistic gameplay
- 🧠 Helps improve memory
- 🎮 Nostalgic and fun
- 💰 Worth the price

**What reviewers complain about**

- 🔊 Sound issues
- 🕰️ Difficulty level too high
- 🔁 Repetitive patterns
- 🔍 Small button size

**Reported bugs**

- Crashing issues
- Stuck on loading screen
- Inconsistent button responsiveness

**Requested features**

- Customizable difficulty levels
- Option to choose own color scheme
- Multiplayer mode
- Ability to save high scores


### O

[App page](https://appshunter.io/ios/app/o-void/id6449623550)

Navigate a spinning circle through challenging obstacles in this minimal action runner. Levels dynamically change direction and flip, testing your reflexes. Compete globally and unlock customizations.

**Highlights:** One-tap gameplay, Mind-bending geometry, Randomly generated levels, Chiptune soundtrack, Unlockable customizations, Global leaderboards

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |

**What reviewers like**

- 🎶 Great music/soundtrack
- 🎮 Challenging and satisfying gameplay
- 💡 Innovative game mechanics
- 💯 High skill ceiling/mastery
- ✨ Simple yet addictive

**What reviewers complain about**

- 😵 Dizzying/makes users sick
- 🥵 Extremely difficult/too hard
- ⏳ Too short/lacks content
- 😵‍💫 Trippy and weird visuals
- 🤢 Makes users feel sick

**Reported bugs**

- Spinning makes users sick
- Obstacles in later levels require luck/insane reaction time
- Effect does not disappear properly in penultimate level
- Game is glitchy, laggy, and unresponsive
- Revive ad doesn't work/can't close ad

**Requested features**

- Add more levels
- New dimension/different gameplay principle
- User level creator
- More beats/music synchronization
- Option to turn down color brightness


## Frequently asked questions

### Is iMimic free?

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

### Is O free?

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

### Which has better reviews, iMimic or O?

O is rated higher. iMimic averages 4.1 out of 5 from 824 ratings, while O averages 4.6 from 195 ratings.

### Do iMimic or O have ads?

O shows ads; iMimic does not.

### Which is updated more often, iMimic or O?

iMimic ships an update every 5 months, and O every 4 months. Most recently, iMimic was updated on October 29, 2026 and O on October 30, 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.*