Simon's Bacteria vs Kelime Kaydırma
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Simon's Bacteria
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Simon's Bacteria is a turn-based strategy game built around one deceptively simple mechanic: rotate a stone, and watch the board change. HOW IT WORKS Each stone on the board points in one of four directions. On your turn, rotate one of your stones 90° clockwise — it moves into the cell it now points to, and can trigger a chain reaction of captures across the board. Read the board carefully: a single rotation can flip the momentum of the entire game. PLAY TOGETHER Challenge your friends through Game Center and play together across iPhone, iPad, and Mac. Choose your favorite game mode, compete for victories, unlock achievements, and jump straight into a rematch. Your first 3 multiplayer games are free — after that, a one-time purchase unlocks unlimited multiplayer for good. • Multiplayer across iPhone, iPad, and Mac • Three unique game modes • Game Center achievements and statistics • Quick rematches with friends PLAY YOUR WAY • Chaos Mode — a fully randomized board for a classic, unpredictable game every time. • Symmetry Mode — mirrored starting positions for a perfectly fair fight. • Balanced Mode — randomized but evenly distributed starting directions. THREE LEVELS OF AI (VINTAGE 1998) No neural networks, no cloud, no buzzwords — just an honest, old-school game AI in the spirit of 1998, built on classic move-search logic rather than anything fashionable. It adapts to the difficulty you choose — from a forgiving opponent that favors easy captures, to a sharp one that looks several moves ahead and plans around your counter-attacks. DESIGNED TO GET OUT OF YOUR WAY • Clean, focused board — no clutter, no timers pressuring your every move. • Three visual stone styles to match your taste. • Game Center leaderboards and achievements to track your wins. • Your games and stats are saved locally — pick up right where you left off. • No ads. No account required for single-player. No data collection beyond what Game Center itself handles. FREE TO PLAY, OPEN SOURCE Single-player is completely free, forever, with everything unlocked — it's an open-source passion project. Multiplayer includes 3 free games to try it out, then a small one-time purchase for unlimited play. If you'd like to say thanks separately, optional tips are available in the Tips menu; they simply help cover the cost of the Apple Developer license required to bring an open-source project like this one to the App Store. Whether you have two minutes or twenty, Simon's Bacteria rewards careful thinking over fast reflexes. COMING SOON We're actively working on additional board generation modes and new AI difficulty tiers.
Kelime Kaydırma
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Kelime Kaydırma is a calm word puzzle game designed to relax your mind while you play. HOW TO PLAY Think of a Rubik's cube — but with words! Shift the rows and columns on the letter board to reveal hidden words. When you form the right word, the tiles explode, new letters take their place, and the puzzle continues. FEATURES - 100 carefully crafted levels with a gradually increasing difficulty curve - Full support for both Turkish and English - A scoring system that rewards finding words in fewer moves - Star ratings based on your performance - A hint system to help when you're stuck - A calm, easy-on-the-eyes pastel design - Dark mode support - Reduced motion option for accessibility - Fully playable offline — no internet connection required Starts with an easy introductory level for newcomers, then grows more challenging with bigger boards and more target words as you progress. Kelime Kaydırma is a delightful little break you can enjoy any time of day — building both your spatial thinking and your vocabulary along the way. Your feedback matters to us — we're continuing to improve the game!
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Verdict
The clearest difference is in-app purchases: Kelime Kaydırma at none against Simon's Bacteria's 4. On price, update cadence, ads 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
Both are free to download. Simon's Bacteria sells 4 one-off in-app purchases. Kelime Kaydırma asks for nothing beyond the download.
Simon's Bacteria ships an update every 3 weeks, Kelime Kaydırma every 5 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Simon's Bacteria | Kelime Kaydırma |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 15 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrei Kondratev | HUSEYIN TALHA BAYHAN |
In-app purchases
Simon's Bacteria
- Multiplayer Unlock$0.99
- Small Tip$0.99
- Medium Tip$2.99
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- Large Tip$4.99
Kelime Kaydırma
No in-app purchases
Questions
Is Simon's Bacteria free?
Is Kelime Kaydırma free?
Do Simon's Bacteria or Kelime Kaydırma have ads?
Which is updated more often, Simon's Bacteria or Kelime Kaydırma?
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