Comparison

Hidden Patterns vs ONO

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

Head to head
About

Hidden Patterns

Engage in a challenging puzzle game that tests your logic and pattern recognition skills. Decipher cryptic symbols to unravel the mysteries of a genius professor. Offers infinite levels and a captivating story with minimalistic graphics.

Highlights
  • Infinite game levels
  • 18 training levels
  • Logic and pattern recognition challenges
  • Uncover professor's story
  • Minimalistic graphics and sound
  • Ad-free experience
Features
Read full description

(!) Disclaimer: This game is really hard. Immerse yourself in the captivating world of “Hidden Patterns - The Enigma of Professor von Doenicke,” an intriguing and challenging puzzle game that will test your wit, logic, and pattern recognition skills. Unearth the secrets hidden within the symbols and unravel the mysteries of the late, genius professor Dieter von Doenicke. But be warned - this game is not for the faint of heart; it will challenge you to the core and may slowly drive you mad. Following the passing of the brilliant yet enigmatic Professor Dieter von Doenicke, a notebook filled with strange symbols was discovered within his home. As a budding cryptanalyst, it is your task to decipher the patterns concealed within these symbols and unravel the mysteries that surround the life and work of the professor. Key Features: - Infinite game levels that offer a relentless challenge, testing your logic, pattern recognition, and mental fortitude. - 18 engaging training levels designed to teach you the core game mechanics and prepare you for the challenges ahead. - Clean, minimalistic graphics and sound effects that provide a sleek and polished gaming experience. - Uncover clues about the mysterious Professor Dieter von Doenicke as you progress through the game, revealing a captivating and enigmatic story. - No ads, ensuring a pure and uninterrupted gaming experience. - In Hidden Patterns, you'll embark on a journey through infinite levels of increasingly challenging puzzles, each designed to test your wit and perseverance. As you navigate the game, you'll encounter various symbols and Hidden Patterns, all hiding secrets that will help you uncover the truth about the mysterious professor and his work. To aid you on your quest, the game features 18 comprehensive training levels that introduce you to the core mechanics and strategies required to solve each puzzle. These levels will serve as the foundation of your cryptanalysis journey, equipping you with the skills and knowledge necessary to tackle the infinite levels that lie ahead. Hidden Patterns boasts clean, minimalistic graphics and sound effects, providing a polished and immersive gaming experience. The sleek visuals and unobtrusive audio allow you to fully focus on the task at hand: deciphering the symbols and solving the puzzles that will ultimately reveal the enigmatic world of Professor Dieter von Doenicke. As you progress through the game, you'll uncover clues about the life and work of the mysterious professor. Delve into the mind of this enigmatic genius as you learn about his past, his motivations, and the groundbreaking work he conducted. The captivating story will draw you in, pushing you to solve the puzzles and piece together the truth about Professor von Doenicke. Hidden Patterns offers a pure and uninterrupted gaming experience, free from advertisements. This means that you can fully immerse yourself in the game without any distractions, allowing you to focus on the challenging puzzles and engrossing storyline. Designed for puzzle enthusiasts and those who relish a challenge, Hidden Patterns will push you to the limits of your mental capacity. The game is perfect for players who enjoy brain teasers, logic puzzles, and cryptography, providing an experience that will engage, challenge, and ultimately reward those who are willing to persevere. Do you have what it takes to solve the Hidden Patterns and uncover the secrets of Professor Dieter von Doenicke? Download Hidden Patterns - The Enigma of Professor von Doenicke today and begin your journey into a world of mystery, intrigue, and challenge.

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

Hidden Patterns3 screens
ONO4 screens

Verdict

The call

The clearest difference is review sentiment: ONO at 100% against Hidden Patterns's 20%. ONO also leads on rating (5.0 vs 3.9) and update cadence (every 2 months vs every 32 months). Hidden Patterns's advantage is ads (none vs shown) and ratings volume (31 vs 9). On price, in-app purchases, monetization model and device support 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. Hidden Patterns sells 1 one-off in-app purchase 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 3.9. Both are backed by a comparable volume of ratings — 31 and 9 respectively. Written reviews point the same way: 20% of Hidden Patterns's written reviews are positive against 100% of ONO's.

UpkeepUpdate frequency

Hidden Patterns ships an update every 32 months, ONO every 2 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
Hidden Patterns versus ONO: the parameters behind the verdict, then further details
ParameterHidden PatternsONO
PriceFreeFree
Rating3.9 (31 ratings)5.0 (9 ratings) — better
Positive reviews20.0% of reviews100.0% of reviews — better
Number of ratings31 — better9
Update frequencyEvery 32 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size27 MB95 MB
Age rating4+4+
DeveloperTomorroworld ABReal Maxwell LLC

Customer experience

Hidden Patterns

All ratings31 ratings
Positive67.7%
Neutral6.5%
Negative25.8%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

ONO

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

In-app purchases

1 purchases

Hidden Patterns

One-time1
  • Unlock All Levels$2.99
1 purchases

ONO

One-time1
  • Remove Ads in ONO$0.99

Questions

Is Hidden Patterns free?
Hidden Patterns 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, Hidden Patterns or ONO?
ONO is rated higher. Hidden Patterns averages 3.9 out of 5 from 31 ratings, while ONO averages 5.0 from 9 ratings.
Do Hidden Patterns or ONO have ads?
ONO shows ads; Hidden Patterns does not.
Which is updated more often, Hidden Patterns or ONO?
Hidden Patterns ships an update every 32 months, and ONO every 2 months. Most recently, Hidden Patterns was updated on September 14, 2026 and ONO on September 10, 2026.

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