Comparison

iMimic vs O

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

iMimic

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
Read full description

The 80's are back! And your memory will be challenged by this retro-style electronic game*. Repeat the sequence of tones and lights played by iMimic - it starts with a single tone and every round the sequence gets one tone longer - how far can you follow iMimic? The faster you tap the sequence, the higher you score. Climb up the leaderboards. Collect all achievements. KEY FEATURES: • Ultra-fast touch response • Gorgeous retro look with exclusive artwork • High-resolution graphics optimized for Retina Display • Realistic lights effects and sounds • Leaderboards and achievements with Game Center • Brag your scores and achievements on Facebook and Twitter • Funny posts to your favorite social networks • Universal Binary: the same app runs on iPod, iPhone, iPad and iPad mini • Keep listening to your iTunes' songs during gameplay • 2 chances to miss a note and retry the sequence! • Automatic Tutor: detects when the player doesn't know how to play and shows how it is done • Display with “turn” (machine vs player) and “chances left” indicators • Challenge your memory even further with the new "Monochromic" gameplay “iMimic Challenge” (InApp Purchase): • Removes Ads FOLLOW US: https://twitter.com/imimicgame https://www.facebook.com/imimicgame ------------------------------------------------------- *iMimic is not endorsed by or affiliated with Milton Bradley's Simon game.

About

O

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
Read full description

Jump into the spinning circle of O-VOID! In this super minimal action runner, you’ll be jumping over obstacles with the tap of a finger. But this is not a regular platformer! The entire level can change direction or flip upside down to throw you off. Are you skilled enough to survive every challenge? Features: • Simple one-tap gameplay inside mind-bending geometry • 8 randomly generated levels for endless replayability • Unique and pumping chiptune soundtrack • Near impossible challenges to unlock player customizations • Global leaderboards to compete with the world on

Screenshots

iMimic4 screens
O4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 5 level
iMimic versus O: the parameters behind the verdict, then further details
ParameteriMimicO
PriceFreeFree
Rating4.1 (824 ratings)4.6 (195 ratings) — better
Positive reviews83.8% of reviews — better72.9% of reviews
Number of ratings824 — better195
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#182 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.0
Further details — not scored
Size42 MB52 MB
Age rating4+4+
DeveloperFernando SciessereGearhead Games ApS

Customer experience

iMimic

All ratings811 ratings
Positive76.3%
Neutral6.7%
Negative17.0%
Written reviews505 reviews
Positive83.8%
Neutral6.9%
Negative9.3%

O

All ratings195 ratings
Positive90.8%
Neutral3.1%
Negative6.2%
Written reviews59 reviews
Positive72.9%
Neutral10.2%
Negative16.9%

User reviews

iMimic

From 824 App Store ratings

What we love

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

Room to improve

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

O

From 195 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

iMimic

Reported bugs

3 issues
  • Crashing issues
  • Stuck on loading screen
  • Inconsistent button responsiveness

Requested features

4 requests
  • Customizable difficulty levels
  • Option to choose own color scheme
  • Multiplayer mode
  • Ability to save high scores

O

Reported bugs

9 issues
  • 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
Show 4 more
  • Ads during gameplay cause freezes
  • Level 6 is impossible
  • Ads are annoying and unsolicited
  • Forced ads when choosing to restart

Requested features

6 requests
  • Add more levels
  • New dimension/different gameplay principle
  • User level creator
  • More beats/music synchronization
  • Option to turn down color brightness
Show 1 more
  • More publicity for leaderboards

In-app purchases

1 purchases

iMimic

One-time1
  • Remove Ads$1.99
1 purchases

O

One-time1
  • No Ads$2.99

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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