⬡
Clean Design
Each pixel has its own place. We remove anything that doesn't benefit the user.
IOS App · TurkishJLPTTR
JLPTTR
It is a focused Japanese study app developed for users preparing for the JLPT N5. It combines writing systems, vocabulary, grammar, reading, listening, review, and mock exams into a single simple and reliable flow.
Turkish interface · Structured N5 curriculum · Works offline
JLPTTR
Mobil UygulamaApp Store · iOS
KoCinco by Erhan
KoCinco is a modern digital brand built on clean, practical, and user-friendly mobile experiences. The name represents creativity in motion: ideas don't lose their spirit on their journey from the design line to TestFlight.
About KoCinco
A small mobile brand that combines functionality and performance.
Clean DesignTimely UpdatesPrivacy First
KoCinco is a modern digital brand built on clean, practical, and user-friendly mobile experiences. The name represents creativity in motion: ideas don't lose their spirit on their journey from the design line to TestFlight.
We work in small, deliberate cycles: design, testing, release, feedback. This rhythm is reflected in MeteoBlob's arcade clarity and JLPTTR's workflow—two very different applications, but with a shared respect for users.
Design isn't just for show here. The theme is set to make the product feel "rich." Native performance, offline-friendly streams, and privacy—a phrase that can be summed up in a single sentence—are prioritized.
New formats—games, education, tools—will continue to fascinate us in the future; the only condition is that they function on a small screen. If they don't deserve a place on the main screen, we won't produce them.
E
ErhanFounder & Developer
◈
Real Benefit
Apps that solve real problems aren't just for promotional purposes. They're products that people open every day.
◉
Privacy First
We don't collect things we don't need. No tracking, no data selling.
▹
Release Rhythm
Small releases, readable updates, and feedback loops tested by people.
◎
One-Handed Use Priority
One-handed operation, optimized layouts and movements.
Our Apps
Two different applications, one clear mission: software that respects your time.
iOS App
MeteoBlob
A KoCinco arcade shooter with meteor survival, shield, rocket, and laser abilities, plus five distinct boss fights in one fast run.
Vertical fast-paced gameplayMeteor defense mechanicMultiple fire developmentShield, rocket and laserFive supervillains with different abilitiesComplete running challenge
Developed with SpriteKit · No internet connection required · No data collectedRead More
IOS App · Turkish
JLPTTR
It is a focused Japanese study app developed for users preparing for the JLPT N5. It combines writing systems, vocabulary, grammar, reading, listening, review, and mock exams into a single simple and reliable flow.
Hiragana, Katakana, and KanjiN5 vocabulary and grammarReading and listening setsSentence construction practiceProgress trackingPractice exam mode
Turkish interface · Structured N5 curriculum · Works offlineRead More