Comparison

Twinnie vs Katachi

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

Head to head
About

Twinnie

A simple family card game where players find matching symbols between cards. It offers both single-player challenges and local multiplayer modes for up to 7 friends via Wi-Fi or Bluetooth.

Highlights
  • 57 unique cards with 8 symbols each
  • Find the single matching symbol between any two cards
  • Single-player time trials
  • Local multiplayer for up to 7 players
  • Wi-Fi and Bluetooth connectivity
  • Play any set of cards at any time (Pro Version)
Features
Read full description

Twinnie game is well known simple family game. You have 57 different cards. Every card has 8 symbols. Each two cards have only one same symbol and you have to find and tap that symbol. MULTI PLAYER Ask up to 7 of your friends to join into the current game via wifi or bluetooth. Choose your challenge, number of rounds and play with fun;) Game may run on up to 7 iOS devices in close proximity to each other. The game session (currrently) works only in foreground mode. SINGLE PLAYER Try to guess all 57 cards in your best time ever. PRO VERSION: - possibility to play any set at any time

About

Katachi

Features
Read full description

〔What is Katachi?〕 Shapes stream across the screen — circles, triangles, squares, stars — in four directions and five colors. One rule: tap only the ones that match the prompt. Sounds simple. Gets real fast. 〔Four Ways to Play〕 · 10-Question Challenge — Four difficulty levels (Easy to Expert) plus negation prompts ("tap everything except…") keep every session fresh · Daily Challenge — 10 questions shared worldwide each day. Track your streak and share results Wordle-style · Endless Mode — Survive as long as you can. No mercy. · 200 Levels — A long-form progression that grows with you 〔Brain Age〕 Your reaction speed is measured and converted into a brain-response age (15–80). Play daily to push it younger. 〔Built with care〕 · 80 prompt patterns (4 shapes × 5 colors × 4 directions) · Detailed stats with Swift Charts · Dark mode and color-accessibility support · No internet required (except ads) · Zero personal data collected 〔Privacy〕 All gameplay data stays on your device. No account needed. Privacy Policy: https://kazusa703.github.io/privacy.html Terms of Use: https://kazusa703.github.io/terms.html Support: https://kazusa703.github.io/support.html

Screenshots

Twinnie4 screens
Katachi4 screens

Verdict

The call

The clearest difference is ads: Twinnie at none against Katachi's shown. Twinnie also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, update cadence 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. Twinnie sells 10 one-off in-app purchases and Katachi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Twinnie ships an update every 5 weeks, Katachi monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 7 level
Twinnie versus Katachi: the parameters behind the verdict, then further details
ParameterTwinnieKatachi
PriceFreeFree
Rating4.3 (9 ratings) — better—
Positive reviews30.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 5 weeksMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size50 MB6 MB
Age rating4+4+
DeveloperBartlomiej Semanczykatsuko imai

In-app purchases

10 purchases

Twinnie

One-time10
  • Twinnie Pro$2.99
  • Twinnie Custom$4.99
  • Twinnie World$6.99
Show 7 more
  • Twinnie Flags$6.99
  • Twinnie Football Teams$6.99
  • Twinnie Animals$6.99
  • Twinnie Brands$6.99
  • Twinnie Vehicles$6.99
  • Twinnie Nature$6.99
  • Twinnie Emoji$7.99
1 purchases

Katachi

One-time1
  • Remove Ads$2.99

Questions

Is Twinnie free?
Twinnie is free to download, with in-app purchases available.
Is Katachi free?
Katachi is free to download, with in-app purchases available.
Do Twinnie or Katachi have ads?
Katachi shows ads; Twinnie does not.
Which is updated more often, Twinnie or Katachi?
Twinnie ships an update every 5 weeks, and Katachi monthly. Most recently, Twinnie was updated on September 18, 2026 and Katachi on September 8, 2026.

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