Comparison

Geminus vs Kioku?:Number Memory

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

Head to head
About

Geminus

A free memo game where players match pairs of cards as quickly as possible. It offers a variety of card themes, from simple animals to complex patterns, with new sets regularly added. Compete with others by exchanging high scores.

Highlights
  • Find matching pairs
  • Timed gameplay
  • Variety of card themes
  • Expandable content
  • High score exchange
  • Multiple language support
Features
Read full description

Geminus is a polished pair-matching game for quick rounds, daily challenges and ambitious best times. Flip cards, find matching pairs and improve your run after run. Play classic mode, race the clock in Time Battle or survive as long as possible in Survival mode. Highlights: • Classic, Time Battle and Survival • Fresh daily events • Online leaderboards for times and scores • Achievements to unlock • Challenges via code • Local best times for your own records • Beautiful card themes and a calm, premium look Geminus is easy to understand, but hard to master: remember positions, plan your moves and chase the perfect run. Online features such as leaderboards, daily events and challenges require an internet connection.

About

Kioku?:Number Memory

Features
Read full description

**Simple rules. Memorize the number, then type it back in the same order.** A number appears on screen. Once it hides, tap it back in order on the custom number pad. Every correct answer adds another digit, so it keeps getting tougher. Miss, and you lose a life—run out and the game ends. How many digits can you reach? Quick to play and easy to pick up, Kioku is a number-memory game made for short breaks and chasing a new high score. Perfect for the commute or any spare moment. ■ Features • Pure number span: just memorize, then recall • Gradual ramp-up: starts at a single digit and grows on a gentle curve • Chunking hints: tips for grouping digits to remember them • Tracks your best score and highest level reached • A time bar and limit add just the right tension • Satisfying sound effects and haptics • Clean, dark, focus-friendly design • Multiple languages (English, Japanese, Spanish, Korean) ■ Great if you • Want a quick game for spare moments • Love memorizing numbers and beating your own records • Prefer calm, uncluttered game design How far can your memory—your “Kioku”—go?

Screenshots

Geminus4 screens
Kioku?:Number Memory2 screens

Verdict

The call

The clearest difference is in-app purchases: Geminus at none against Kioku?:Number Memory's 1. Geminus also leads on device support (3 vs 1). Kioku?:Number Memory's advantage is ads (none vs shown) and update cadence (every 2 days vs every 10 days). On price 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. Kioku?:Number Memory sells 1 one-off in-app purchase. Geminus asks for nothing beyond the download.

UpkeepUpdate frequency

Geminus ships an update every 10 days, Kioku?:Number Memory every 2 days. The most recent releases landed on July 9, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 4 level
Geminus versus Kioku?:Number Memory: the parameters behind the verdict, then further details
ParameterGeminusKioku?:Number Memory
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 10 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size338 MB7 MB
Age rating4+4+
DeveloperTobias JacobsYuichi Hiruta

In-app purchases

None

Geminus

No in-app purchases

1 purchases

Kioku?:Number Memory

One-time1
  • Remove Ads$0.99

Questions

Is Geminus free?
Geminus is free to download, with no in-app purchases.
Is Kioku?:Number Memory free?
Kioku?:Number Memory is free to download, with in-app purchases available.
Do Geminus or Kioku?:Number Memory have ads?
Geminus shows ads; Kioku?:Number Memory does not.
Which is updated more often, Geminus or Kioku?:Number Memory?
Geminus ships an update every 10 days, and Kioku?:Number Memory every 2 days. Most recently, Geminus was updated on July 9, 2026 and Kioku?:Number Memory on September 8, 2026.

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