O mu Bu mu

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Everyone
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About this app

Strengthen your Turkish, learn spelling mistakes permanently!

"This or That" teaches the most frequently confused Turkish words in a fun game format. Each question presents you with two words — one correct spelling, the other a commonly misspelled word. Your task is simple: find the correct spelling!

Designed for students, teachers, content creators, exam preparers, or anyone who simply wants to improve their Turkish.

★ HOW IT WORKS?

Each level consists of 10 questions. Words you answer correctly stay in your "repeat pool"; words you answer incorrectly are automatically added to the "repeat pool" and will continue to appear until you answer that word correctly at least once. This way, you won't give up until you truly learn it.

★ HIGHLIGHTED FEATURES

• Unlimited vocabulary — hundreds of common spelling mistakes, constantly expanding
• Level-by-level progression system and a modern, live progress bar
• Combo tracking for correct answers, incorrectly answered words automatically replay
• Detailed statistics: your overall accuracy rate, your highest combo, letter-by-letter success breakdown
• Stylish, eye-friendly dark theme design
• Smooth, modern animations — instant and clear correct/incorrect feedback
• No account creation required — download and start playing immediately
• You can play the first level offline

★ WHY THIS OR THAT?

In Turkish, dozens of words like "yalnız" (alone) or "yanlız" (not "yalnız"), "hoş geldin" (welcome) or "hoşgeldiniz" (not "hoşgeldiniz"), "yanlış" (not "yalnış") are constantly confused in daily correspondence, homework, and business documents. This or That makes these mistakes permanent through repeated practice instead of rote memorization — you learn by playing a game instead of reading a boring list of rules.

★ WHO IS IT FOR?

• Students who want to reinforce Turkish spelling rules
• Content creators, teachers, and editors who want to be meticulous about correct spelling
• Candidates preparing for exams (KPSS, DGS, YKS, etc.)
• Anyone who simply wants to be more careful in their daily correspondence

This or That is completely free and supported by short interstitial ads between levels. The app does not request any personal information; your game progress is only stored on your own device.

Download now and take your Turkish to the next level!
Learn Turkish spelling mistakes while having fun: Is it "O" or "Bu"? Find the correct spelling!
Updated on
Aug 10, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    App activity and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

• Yüzlerce yaygın yazım hatası, sürekli genişliyor
• Seviye seviye ilerleme sistemi ve modern, canlı ilerleme çubuğu
• Detaylı istatistikler: genel doğruluk oranınız, en yüksek kombonuz, harf harf başarı dökümünüz
• Şık, göz yormayan koyu tema tasarımı
• Akıcı, modern animasyonlar — doğru/yanlış geri bildirimi anında ve net
• Hesap oluşturmaya gerek yok — indirin, hemen oynamaya başlayın
Content rating
Everyone
Learn more

App support

About the developer
FAHİM ALTINORDU
altinordu.fahim@gmail.com
Piripaşa mh, Ahbap sk, Hasköy 83/10 34445 Beyoğlu/İstanbul Türkiye

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