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.

Train different calisthenics skills with a workout tracker.

Practice Arabic handwriting with guided tracing and memory exercises.

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

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

Improve dance timing & musicality with Latin rhythm training.

Practice Japanese handwriting with guided tracing and memory exercises.

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

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

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

Track freelance hours, manage projects, and boost productivity.

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.

Train and master snowboard tricks with guided progressions and sessions.

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

Roll fun weekly challenges and share them with your friends.

Practice Latin handwriting with guided tracing and memory exercises.

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

Automatically adjust global Google Play prices using Purchasing Power Parity.

Accurate digital compass with target bearing and heading drift.

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

Practice Bengali handwriting with guided tracing and memory exercises.

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

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

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

Ice bath timer for cold plunge & cold therapy.

Cinematic films about building, fixing, cultivating, and creating.

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

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.

Auto-translate App Store listing translations.

Explore philosophy, philosophers, ideas, history, schools & famous thinkers.