MyangByte Labs

App & game studio · Seongnam, Korea

Everyday, made playful. Stories, made to play.

MyangByte Labs makes everyday apps with a game at their heart — and story-driven games, from murder mysteries to romance.

Everyday apps

Everyday, made playful.

Habits you already have — a to-do, a walk, a glass of water — each with a small world that grows as you go.

Paintday

ADHD-friendly planner

On the App Store

Finish tasks, paint a picture.

A gentle to-do list and daily planner for ADHD brains. Every task you finish earns paint — spend it to place a street lamp, plant flowers or hang an awning, and watch a storybook painting come to life. No guilt, no overdue badges, no broken streaks.

  • One task at a time, front and center
  • “Start 2 min” — just starting earns paint
  • 180 storybook paintings that never fade
  • Routines, widget, focus timer, voice input

iPhone · Android

Paintday — ADHD-friendly planner

Treasure Hunt Walk

Step quest

Coming Soon

Every step lifts the fog on a fantasy land.

Arca is lost in fog. Every step you take lifts it a little, revealing forgotten places and scattered relics. Tap start and go for a walk — no location permission and no sign-up needed, just your step count.

  • 10 chapters, 100 areas, 410 places
  • 400 relics for your museum — all odds published
  • Keys and fragments are earned by walking, never sold
  • Home-screen widget and dark mode

iPhone · Android

Treasure Hunt Walk — Step quest

Watermura

Drink water tracker

Coming Soon

A hydration reminder that grows a garden.

Log a glass with one tap and get reminders paced to how much you have had. Each time you drink, a dried-up land comes back to life. Logging, reminders, stats, widgets and watch apps are all free, with no ads in any water feature.

  • One-tap logging and smart reminders
  • Apple Watch and Wear OS apps
  • Daily to yearly stats, Apple Health / Health Connect sync
  • 11 lands to restore, 400 plants and animals

iPhone · Apple Watch · Android · Wear OS

Watermura — Drink water tracker

Story games

Stories, made to play.

Cases you solve yourself, scene by scene, with endings that turn on what you notice.

A Myang Games title

Accuse the Killer

Murder mystery detective game

Coming Soon

“Everyone in the room is hiding something.”

Gather clues, link them into deductions and break the lie with evidence. Six standalone murder mysteries, each about two hours long, with 40+ endings per case. The opening of every case is free; no ads, no subscriptions.

  • Combine two clues to make a deduction
  • Present evidence to break a lie
  • 40+ endings per case, with a flowchart
  • Original music, plays offline, 6 languages

iPhone · Android

Accuse the Killer — dialogue scene Accuse the Killer — case select Accuse the Killer — presenting evidence

Contact

Say hello.

Questions about an app, partnerships or press — write any time.

support@myangbytelabs.com
Company
MyangByte Labs
Representative
Seoyun Yang
Business registration no.
777-56-00937
Address
6F 606-B4, MD Plaza, 52 Dolma-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Republic of Korea