Comparison

Keep Skiing vs ONO

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

Head to head
About

Keep Skiing

Features
Read full description

Let us go skiing this winter. You just need to tap on the left or right side of screen to control the skier. It is easy and full of fun. Try to pass flags as more as possible to get higher score. There have different kinds of trees to interfere you. Besides, you will encounter snowmen, walking deers or moving snowmobiles on your way.

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 Pure 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

Keep Skiing4 screens
ONO4 screens

Verdict

The call

The clearest difference is in-app purchases: Keep Skiing at none against ONO's 1. Keep Skiing also leads on ads (none vs shown) and iOS requirement (6.0 vs 15.0). ONO's advantage is update cadence (every 2 months vs every 22 months). On price 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. ONO sells 1 one-off in-app purchase. Keep Skiing asks for nothing beyond the download.

UpkeepUpdate frequency

Keep Skiing ships an update every 22 months, ONO every 2 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
Keep Skiing versus ONO: the parameters behind the verdict, then further details
ParameterKeep SkiingONO
PriceFreeFree
Rating—5.0 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 22 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.0
Further details — not scored
Size19 MB98 MB
Age rating4+4+
DeveloperChuanming ChangReal Maxwell LLC

In-app purchases

None

Keep Skiing

No in-app purchases

1 purchases

ONO

One-time1
  • Remove Ads in ONO$0.99

Questions

Is Keep Skiing free?
Keep Skiing is free to download, with no in-app purchases.
Is ONO free?
ONO is free to download, with in-app purchases available.
Do Keep Skiing or ONO have ads?
ONO shows ads; Keep Skiing does not.
Which is updated more often, Keep Skiing or ONO?
Keep Skiing ships an update every 22 months, and ONO every 2 months. Most recently, Keep Skiing was updated on October 4, 2026 and ONO on October 14, 2026.

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