Comparison

Brain Opt vs ONO

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

Head to head
About

Brain Opt

Engage in a gallery of challenging brain teasers and tricky puzzles designed to test your logic and imagination. This game offers an unexpected experience with mind-bending challenges that may defy common sense, providing a fun way to boost your cognitive skills.

Highlights
  • Tricky and mind-hitting brain teasers
  • Unexpected game answers
  • Test savvy, imagination, and logic
  • Easy and addictive gameplay
  • Great time killer
  • Play offline
Features
Read full description

Brain Opt has tons of fun with these tricky brain games with a series of tricky brain teasers. Different puzzle testing will challenge your thoughts. This puzzle game may break your common sense and bring your new brain-storming experience! You can enjoy yourself with your friends for free IQ game. Get ready to take the Brain Opt! If you are a fan of puzzle game, casual game, word game, word connect game, sudoku or any other quiz games, Brain Opt is your best choice! Features: Tricky & Mind-hitting Brain Teasers: You will be tricked! Unexpected game answers to the great number of tricks. Try different mechanics, think harder! Test your savvy, imagination, and logic skills. Easy and highly addictive game play. Great time killer. Play without the internet. Play offline. Have fun in our game with friends ! Subscription Terms Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period "1 Week" or "1 Month". Account will be charged for renewal within 24-hours prior to the end of the current period "1 Week" or "1 Month". Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, will be forfeited when the user purchases a subscription to that publication. VIP 1 Week is 7.99 USD, Remove Ads 1 Month is 4.99 USD Privacy Policy is below https://www.facebook.com/permalink.php?story_fbid=109562177322226&id=109554133989697&__tn__=K-R Terms of Use is below https://www.facebook.com/permalink.php?story_fbid=113469126931531&id=109554133989697&__tn__=K-R Contact US on Facebook https://www.facebook.com/Brain-Opt-109554133989697/

About

ONO

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
Read full description

Fun! Fast! Free! Unique Bedrock Logic Brain Game! Start a chain reaction that will clear all the O's from the screen -> ONO (no O's). A new type of hybrid casual puzzle game. An overlapping maze. Like Sudoku without numbers. Wordle without letters. Starting with the simplest forms + rules, complexity and variety emerge as elements are added in larger puzzles. A fun easy way to work on your clarity, focus and working memory. 24 levels from very easy to very hard. Master each level by solving 4 puzzles - you are allowed three tries in each of the first two, two tries in the next and, finally, you must solve one puzzle in a single try. The level is then open for free play with three tries forever.  Skippable interstitial ads after every other level. You can to watch a :30 reward ad to unlock a level or get additional stickers Larger levels have 1000's of puzzle variations making ONO a game you can play over & over. *Hat tip to "A Thousand Brains" by Jeff Hawkins for game inspiration, you should buy this book.

Screenshots

Brain Opt4 screens
ONO4 screens

Verdict

The call

The clearest difference is update cadence: Brain Opt at every 5 days against ONO's every 2 months. Brain Opt also leads on iOS requirement (9.0 vs 15.0). ONO's advantage is rating (5.0 vs 4.7). On price, ratings volume, ads and in-app purchases 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. Brain Opt sells 6 in-app purchases, starting at $4.99 per month and ONO 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

ONO holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 18 and 9 respectively.

UpkeepUpdate frequency

Brain Opt ships an update every 5 days, ONO every 2 months. The most recent releases landed on August 22, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Brain Opt versus ONO: the parameters behind the verdict, then further details
ParameterBrain OptONO
PriceFreeFree
Rating4.7 (18 ratings)5.0 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings18 — better9
Update frequencyEvery 5 days — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size45 MB95 MB
Age rating12+4+
DeveloperBRAVO TECHNOLOGY ENTERPRISE LIMITEDReal Maxwell LLC

Customer experience

Brain Opt

All ratings18 ratings
Positive88.9%
Neutral5.6%
Negative5.6%

ONO

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Brain Opt

Subscriptions2
  • Ads Remove$4.991 Month
  • VIP Premium3 Days trial$7.997 Days
One-time4
  • 300 Hints$1.99
  • 600 Hints$2.99
  • 1200 Hints$4.99
Show 1 more
  • 2800 Hints$9.99
1 purchases

ONO

One-time1
  • Remove Ads in ONO$0.99

Questions

Is Brain Opt free?
Brain Opt is free to download, with in-app purchases available.
Is ONO free?
ONO is free to download, with in-app purchases available.
Which has better reviews, Brain Opt or ONO?
ONO is rated higher. Brain Opt averages 4.7 out of 5 from 18 ratings, while ONO averages 5.0 from 9 ratings.
Do Brain Opt or ONO have ads?
Both Brain Opt and ONO show ads.
Which is updated more often, Brain Opt or ONO?
Brain Opt ships an update every 5 days, and ONO every 2 months. Most recently, Brain Opt was updated on August 22, 2026 and ONO on September 10, 2026.

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