Comparison

One Is Odd vs ColorZen3D

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

Head to head
About

One Is Odd

Challenge your observation skills by finding the unique item among a set of similar objects. With numerous themes and levels, the game offers a fresh experience each time. Compete with others on leaderboards or play at your own pace.

Highlights
  • Variety of themes
  • Challenging levels
  • Moving items
  • Game Center leaderboards
  • Relaxing gameplay
Features
Read full description

One Is Odd. But which one? Can you find the odd one out? There's plenty of variety with up to 40 themes to select from. Each theme has its own unique items to keep the searches fresh. There are 10 levels per theme and to up the challenge the items can move... Relax and find the odd one out or see how you compare on the Game Center leaderboards.

About

ColorZen3D

Features
Read full description

Doodle around uncovering the color patterns from under the darkness, then grab the gold before the timer runs out to complete each level. "Stop thinking and end your problems." - Lao Tzu.

Screenshots

One Is Odd4 screens
ColorZen3D4 screens

Verdict

The call

The clearest difference is in-app purchases: ColorZen3D at none against One Is Odd's 1. One Is Odd's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. One Is Odd sells 1 one-off in-app purchase. ColorZen3D asks for nothing beyond the download.

UpkeepUpdate frequency

One Is Odd ships an update every 10 days, ColorZen3D every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 7 level
One Is Odd versus ColorZen3D: the parameters behind the verdict, then further details
ParameterOne Is OddColorZen3D
PriceFreeFree
Rating5.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size21 MB333 MB
Age rating4+4+
DeveloperRichard ChapmanJaime Carbo

In-app purchases

1 purchases

One Is Odd

One-time1
  • 40 Themes & No Ads$1.99
None

ColorZen3D

No in-app purchases

Questions

Is One Is Odd free?
One Is Odd is free to download, with in-app purchases available.
Is ColorZen3D free?
ColorZen3D is free to download, with no in-app purchases.
Do One Is Odd or ColorZen3D have ads?
Both One Is Odd and ColorZen3D show ads.
Which is updated more often, One Is Odd or ColorZen3D?
One Is Odd ships an update every 10 days, and ColorZen3D every 3 weeks. Most recently, One Is Odd was updated on November 3, 2026 and ColorZen3D on November 7, 2026.

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