Jelmer van Nuss

Practice Cyrillic handwriting with guided tracing and memory exercises.

Practice Devanagari handwriting with guided tracing and memory exercises.

Test your vocal range, track notes, and improve your singing pitch.

Breathe calmly with a guided box breathing timer for relaxation and focus.

Soap lye calculator for DIY soap making, recipes & oil formulation.

Practice Arabic handwriting with guided tracing and memory exercises.

Practice Japanese handwriting with guided tracing and memory exercises.

Practice Latin handwriting with guided tracing and memory exercises.

Sudoku puzzle game - easy to hard levels, relaxing & offline play.

Accurate digital compass with target bearing and heading drift.

Train different calisthenics skills with a workout tracker.

Train and master snowboard tricks with guided progressions and sessions.

Improve dance timing & musicality with Latin rhythm training.

Remove water and dust from phone speakers with powerful cleaning sounds.

Track freelance hours, manage projects, and boost productivity.

Automatically adjust global Google Play prices using Purchasing Power Parity.

Create smart packing lists for any trip. Never forget essentials again.

Track car maintenance, get service reminders, and keep your vehicle in shape.

Turn recipes into clean grocery lists automatically scaled to your servings.

Stay connected. Get reminders to reconnect with the people you care about.

Roll fun weekly challenges and share them with your friends.

Pet care tracker with reminders and shared tasks for daily routines.

Measure object width & height from distance using your phone camera.

Practice Bengali handwriting with guided tracing and memory exercises.

Track hive inspections, manage apiaries, and plan beekeeping tasks.

Offline dice roller with custom dice, presets & realistic rolls.

Find realistic ASO keywords for App Store and Google Play apps.

Auto-fix Play Console store listing translations that exceed character limits.

Spark your creativity — generate AI art ideas and drawing inspiration instantly!

Ice bath timer for cold plunge & cold therapy.

Auto-translate App Store listing translations.

Train your musical ear by identifying musical notes.

Practice job interview questions with smart quizzes tailored to your role.

Practice Hangul handwriting with guided tracing and memory exercises.

Learn slackline skills, track progress and explore your next challenge.