FastMake · TK Media · Seoul
Apps that do one thing well, shipped to real app stores.
We plan, build, and launch mobile apps that do one thing well. Three apps are live on the App Store today, and our first game is on the way.
- Apps released
- 3
- Platforms
- iOS, Android
- Founded
- February 2026
- Location
- Seoul, South Korea
TagDo
Organize your to-dos with tags, and never miss a deadline.
Tags & colors
Sort your to-dos with your own tags and see everything under a tag in a single tap.
Due-date reminders
Reminders arrive on time and are restored even after the device restarts.
Themes, 5 languages
Supports light, dark, and system themes. Korean, English, Japanese, and Chinese.
Fully offline
Your data stays on your device and is never sent to a server.
Available worldwide on the App Store and Google Play.



HabitCell
Small daily records, steady change.
+1 / −1 tracking
Log today’s count with a single tap and see when you reached your goal.
Heatmap
See your patterns at a glance by week, month, year, or all time.
Streaks & stats
Overall and per-habit streaks, plus stats for the last 7 and 30 days.
Your own categories
Set categories and colors; reminders and app icon badges are supported.
Available worldwide on the App Store and Google Play.



GlucoInsight
Check your diabetes risk and find a hospital nearby.
Risk reference
Get a reference estimate of diabetes risk in Quick or Detailed mode.
Automatic BMI
Enter your height and weight and your BMI is calculated automatically.
Nearby hospitals
Search for hospitals around a saved address and open directions.
Health guide
Reference ranges, daily-life guidelines, and emergency tips.
Available on the App Store (Korea). GlucoInsight does not diagnose or treat any condition; results are for health-management reference only.



Coming soon · Our first game
A casual match-3 puzzle on an 8×8 board, set among ancient ruins beneath a starry sky. Swap stones, keep your combos going, and trigger special stones that clear the board.
Coming soon to iOS, Android, and web- Modes
- Endless, Level, Timed
- Platforms
- iOS, Android, Web
- Engine
- Flutter + Flame
- Languages
- 5 (including English, Japanese, Chinese, and Korean)
About FastMake
FastMake is the app, web, and game brand of TK Media.
Mission
We build fast and verify carefully. We turn ideas into focused, polished apps and games quickly, and test them thoroughly before release.
How we build with AI
We use AI coding agents such as Claude, along with generative AI tools, across development, including planning documents, code, testing, art, sound, and localization. Every deliverable is verified with automated tests and playtest bots before release.
Tech stack
Let’s talk.
For questions about our apps, partnerships, or anything else, send us an email.
[email protected]
