Comparison

OKO⁢ vs Image Brain

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

Head to head
About

OKO⁢

A captivating puzzle game that transforms NASA satellite images into a cosmic visual and auditory experience. Reconstruct images by precisely stopping rotating circular pieces, with increasingly complex patterns and otherworldly soundscapes.

Highlights
  • Hypnotizing puzzle gameplay
  • NASA satellite imagery
  • Otherworldly soundscapes
  • Retina graphics
  • Increasingly complex patterns
Features
Read full description

* Swisscom App of the Year 2012 OKO is a hypnotising puzzle game that turns satellite images taken from the NASA database into a mesmerising journey around the Planet. The game's rich otherworldly soundscapes are composed from recordings taken aboard space shuttles. The goal is to reconstruct an image by stopping rotating circles cut out from the image. For each level, the animated pieces draw increasingly complex patterns. The challenge is to be attentive to image juxtapositions in order to stop each circles movement at the right moment. Now available on the App Store with retina graphics! "Beautiful. Engaging. Excellent transmedia incorporation of space imagery.” – Yvonne Clearwater, New Media Innovation Leader at NASA / Ames Research Center

About

Image Brain

Features
Read full description

Brain is the most complex and powerful human organ, however researcher findings repeatedly stated that most people could not fully utilise the maximum 100 percent of our brain function. Memorisation of substantial information greatly relates to knowledge and intelligence. Human ability to retain and recall huge volume of information at rapid speed is never a myth. Right brain is capable of bulk image visualisation especially in fast speed. Developing photographic memory with rapid flash cards is the most effective mnemonics for right brain. Image Brain provides photographic memory training program to boost Right Brain Photographic Memory in various ways.

Screenshots

OKO⁢4 screens
Image Brain4 screens

Verdict

The call

The clearest difference is update cadence: Image Brain at every 7 months against OKO⁢'s every 44 months. Image Brain also leads on price ($2.99 vs $3.99) and iOS requirement (11.0 vs 14.0). On ads, in-app purchases 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

OKO⁢ costs $3.99 and Image Brain $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OKO⁢ ships an update every 44 months, Image Brain every 7 months. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
OKO⁢ versus Image Brain: the parameters behind the verdict, then further details
ParameterOKO⁢Image Brain
Price$3.99$2.99 — better
Rating4.0 (3 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings3 — better—
Update frequencyEvery 44 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size55 MB12 MB
Age rating4+4+
DeveloperPlayablesHamster Force Multimedia Ltd.

In-app purchases

None

OKO⁢

No in-app purchases

None

Image Brain

No in-app purchases

Questions

Is OKO⁢ free?
OKO⁢ costs $3.99, with no in-app purchases.
Is Image Brain free?
Image Brain costs $2.99, with no in-app purchases.
Do OKO⁢ or Image Brain have ads?
Neither OKO⁢ nor Image Brain shows ads.
Which is updated more often, OKO⁢ or Image Brain?
OKO⁢ ships an update every 44 months, and Image Brain every 7 months. Most recently, OKO⁢ was updated on September 30, 2026 and Image Brain on September 28, 2026.

Other comparisons