01 / 13Lifestyle
Lina Alarm
An alarm that turns waking up into action
Independent app studio in Seoul · 13 apps
Useful,
beautifully.
We begin with a particular need—one alarm, one precedent, one chess move—then understand it deeply and shape it into an app worth keeping.
PORTFOLIO / 2026
iOS · Android
Lina Alarm ✦Lina Scanner ✦Police Exam Bites ✦Lina OBD ✦Lina Viewer ✦SpeakEasy ✦Lina Chess ✦CaseBites ✦DS1UOV's AI CW Radio ✦The Blackout ✦DS1UOV's Morse Trainer ✦Lawyer's Calculator ✦Fave LED ✦Lina Alarm ✦Lina Scanner ✦Police Exam Bites ✦Lina OBD ✦Lina Viewer ✦SpeakEasy ✦Lina Chess ✦CaseBites ✦DS1UOV's AI CW Radio ✦The Blackout ✦DS1UOV's Morse Trainer ✦Lawyer's Calculator ✦Fave LED ✦
Our point of view
Not for everyone. For someone who needs it.
Every CommonSource app begins with a concrete problem. We design the moment a person actually faces before counting features.
Law, learning, radio, vehicles, reading and games may look unrelated. The rule is the same: deep, quiet and built to last.
Selected apps
Six very different worlds.
02 / 13Productivity
Lina Scanner
Sharp documents. Private by design.
03 / 13Education
Police Exam Bites
Revisit every question just before you forget
04 / 13Utilities
Lina OBD
Vehicle signals, translated into useful insight
05 / 13Lifestyle
Lina Viewer
Every comic and book in one beautiful library
06 / 13Education
SpeakEasy
Turn memorized language into real conversation
13
Released apps
2
Platforms
10+
Specialties
1
Exacting standard