KT Apps
Free tools that run in your browser. Your data stays on your device — no account needed.
Peptide reconstitution and syringe unit calculator. For research and educational use only.
Sort tasks into four quadrants by urgency and importance and focus on what matters.
Record catches with photos, size, spot, weather and lure, and review your fishing stats.
Brainstorm ideas as a mind map: add branches, color nodes and save several maps.
Add the shooting date and time to your photos. Processed in your browser, never uploaded.
Count your alcohol-free days and the money you saved, and earn milestone badges.
Convert between bit, byte, KB, MB, GB, TB and up to YB instantly as you type.
Log breakfast, lunch and dinner with photos, calories, ratings and tags, and look back on a calendar.
Manage your soccer team: players, attendance, lineups on a formation board, live match records and stats.
Track your video game collection and backlog: status, progress, cover images, notes and stats.
Record blood glucose readings with timing and notes, and review charts and statistics. Not medical advice.
Make your own tier lists with text and image items, drag them into place and download the result as an image.
Record maintenance and costs for your vehicles, track upcoming service and export your history as CSV.
Spin a wheel of your own items to decide turn order, dinner, party games and everyday choices.
Pick 7 numbers and keep drawing until you hit the jackpot to see the real odds. Simulation only, no real money.
Record volleyball matches rally by rally, track rotations and analyze player stats.
Turn your photos into retro pixel art with presets like 8-bit and Gameboy, then download a PNG.
Tap the moment the screen turns green and see your reaction time in milliseconds.
Record your daily weight on a calendar and see the trend on a graph. Not medical advice.
A to-do list built on the Eat That Frog method: do your most important task first and track your progress.
Color-coded shift calendar: paint shifts onto dates, auto-fill rotations and see monthly hours and income.
Check six daily growth habits, record height and sleep, and see progress on graphs. Not medical advice.
Turn studying into an RPG: log time for each skill, level up, keep streaks and see your stats.
Write down what you're grateful for each day, look back on a calendar and keep your streak.
Record your daily mood with one tap and look back on a calendar and graph. Not medical advice.
Tap to count rows, keep pattern images next to the counter and track your knitting projects.
Record your voice and play it backwards - a fun party game. Audio stays in your browser.
Record bedtime, wake time and sleep quality, and review your sleep on a calendar and graphs. Not medical advice.
Intermittent fasting timer with plans like 16:8, water log and history. Not medical advice.
Tap to count wins, draws and losses for any game, with undo and sharing.
Draw pixel art on 8x8 to 64x64 grids with layers and undo, and download it as a PNG.
Show any message in huge letters across the screen for concerts, events and pickups.
Time your study by subject and see charts, a calendar heatmap, goals and streaks.
Tap countries to mark where you've been and see how much of the world you've explored.
Keep a list of your medicines with doses, times and photos. The web version does not send reminders - use the app for reminders.
Keep a plant care journal: photos, watering and fertilizing schedules, and growth records.
Classic noughts and crosses for two players on one device.
Quick notes with one tap: automatic titles, timestamps, newest first and swipe to delete.
Try to stop the timer at exactly 10.00 seconds and check your accuracy.
Premium
The web versions are free and supported by ads. Premium features (no ads and each app's extra features) are available in the iPhone/iPad and Android versions of each app.
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