Jelmer van Nuss

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

Train different calisthenics skills with a workout tracker.

Practice Devanagari handwriting with guided tracing and memory exercises.

Practice Cyrillic handwriting with guided tracing and memory exercises.

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

Improve dance timing & musicality with Latin rhythm training.

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

Practice Japanese handwriting with guided tracing and memory exercises.

Practice Latin handwriting with guided tracing and memory exercises.

Practice Arabic handwriting with guided tracing and memory exercises.

Track freelance hours, manage projects, and boost productivity.

Roll fun weekly challenges and share them with your friends.

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.

Automatically adjust global Google Play prices using Purchasing Power Parity.

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

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

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

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.

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

Auto-translate App Store listing translations.

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