Independent app studio

Small apps that do one thing really well

No accounts, no clutter, no nonsense. Just fast, good-looking Android apps built around what you actually need.

Our apps

On Google Play now

Free to download. Optional Pro upgrade for those who want more.

ClutchKO

Fuel & Car Service

Your car's logbook, in your pocket.

A simple, private logbook for your car. Log every fill-up, service and expense in seconds, see what your car really costs you, and never miss an oil change, inspection or registration renewal again. Everything stays on your device, with no account and full offline support.

  • 100% offline
  • No account
  • Free backup
GET IT ONGoogle Play
ClutchKO home screen with monthly costs and reminders

Fuel log

  • Date, odometer, liters and price for every refuel
  • Fuel consumption and costs over time

Service history

  • Oil changes, tires, brakes, filters and more
  • Notes, costs and odometer for every visit
  • Always know when something was last done

Expense tracking

  • Insurance, parking, tolls, repairs and taxes
  • See what your car really costs to own

Smart reminders

  • Service, inspection, insurance and registration
  • By date or by odometer (km)
  • Repeating reminders reschedule themselves

Private & offline

  • Your data stays on your device
  • No account, no internet needed
  • Back up and restore any time, free
PRO

ClutchKO Pro

  • Multiple vehicles
  • Service book as a PDF
  • Vehicle package for when you sell your car
  • CSV export
  • Receipt photos and receipt scanner
  • Home screen widget

Free on Google Play. Get ClutchKO today.

GET IT ONGoogle Play

HIITKO

HIIT & Interval Timer

Every round counts.

A fast, focused interval timer for HIIT, EMOM, circuits, boxing and MMA rounds and running intervals. Set work and rest once, press start, and let the timer guide the whole session, with clear audio cues, vibration and a full-screen display you can read from across the room.

  • No ads
  • No sign-up
  • Start in two taps
GET IT ONGoogle Play
HIITKO timer during a morning routine workout

Ready-to-go presets

  • Beginner HIIT and Norwegian 4×4
  • EMOM Strength
  • Boxing, Muay Thai & MMA rounds

Custom workout builder

  • Warm-up, work, rest, rounds and cool-down
  • Longer recovery intervals
  • Exercise mode: name each move
  • Colour-code and save workouts

Audio & feedback

  • Classic beeps, boxing bell, soft pulse or spoken countdown
  • Countdown beeps for the final seconds
  • Vibration on every phase change

Progress that keeps you going

  • Weekly goal ring
  • Activity chart and streak grid
  • Personal records and full history
  • Shareable session cards

Made to look good

  • Light, dark and AMOLED black themes
  • Ten accent colour themes
  • Screen stays awake, optional Do Not Disturb
PRO

HIITKO Pro

  • Daily workout reminder
  • Quick Start home-screen widget
  • Unlimited custom workouts
  • Every sound pack and accent colour

Free on Google Play. Get HIITKO today.

GET IT ONGoogle Play