Comparison

One Minute Brain Builder vs A Rotating Fan

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

Head to head
About

One Minute Brain Builder

Engage in a variety of brain-training exercises designed to improve logic, memory, speed, and concentration. With 16 different game types and all levels accessible for free, it offers a fun and relaxing way to keep your mind sharp. Play offline anytime, anywhere.

Highlights
  • 32 logic, memory, speed, visual, concentration, reaction, and math tests
  • 16 kinds of games
  • All levels are open and free
  • Easy and fun gameplay for all ages
  • Offline play available
  • Simple game rules
Features
Read full description

One Minute Brain Builder is a brain training game. will serve you quality content about brain training. Try to pass all 32 logic,memory,speed,visual,concentration,reaction tests and math with the best result. Features - All levels are open and free - Rich gameplay,16 kinds of games - Easy rule but fun & relax! - Game rule is very simple for all ages. - Everybody can play this games, men and women of all ages - You can play offline in anytime. Start training today for a fit and active brain!

About

A Rotating Fan

Features
Read full description

“A Rotating Fan" is a speed sense puzzle. HOW TO PLAY? -------------- 1. Observing the graphs of the target animation. 2. The horizontal coordinate represents time and the vertical coordinate represents the area of the sector. 3. Each color line is defined as follows: Yellow, the area of a yellow sector Black, the area of a black sector Red, the area of yellow and black sectors combined. Green, the area of yellow and black sectors intersect. 4. You need to find the exact sector animation corresponding to the area curve in the response area to succeed in the challenge. -------------- We appreciate any feedback you may have and will apply it to future updates and features. With your continued support we'll do our best to turn out quality Apps.

Screenshots

One Minute Brain Builder4 screens
A Rotating Fan4 screens

Verdict

The call

The clearest difference is iOS requirement: A Rotating Fan at 9.0 against One Minute Brain Builder's 11.0. On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

One Minute Brain Builder ships an update every 3 months, A Rotating Fan every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard1 real difference · 9 level
One Minute Brain Builder versus A Rotating Fan: the parameters behind the verdict, then further details
ParameterOne Minute Brain BuilderA Rotating Fan
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.09.0 — better
Further details — not scored
Size88 MB38 MB
Age rating4+4+
Developer登理 郝其跃 吴

In-app purchases

None

One Minute Brain Builder

No in-app purchases

None

A Rotating Fan

No in-app purchases

Questions

Is One Minute Brain Builder free?
One Minute Brain Builder is free to download, with no in-app purchases.
Is A Rotating Fan free?
A Rotating Fan is free to download, with no in-app purchases.
Do One Minute Brain Builder or A Rotating Fan have ads?
Both One Minute Brain Builder and A Rotating Fan show ads.
Which is updated more often, One Minute Brain Builder or A Rotating Fan?
One Minute Brain Builder ships an update every 3 months, and A Rotating Fan every 2 months. Most recently, One Minute Brain Builder was updated on November 3, 2026 and A Rotating Fan on November 7, 2026.

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