Jelmer van Nuss

Creating simple, helpful apps while documenting my path to becoming an independent developer.

Revenue

Past Month

$30▲ +531.7%

Past Year

$52▲ +100.0%

My 15 apps

Box Breathing Timer

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

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$14

Write Cyrillic Alphabet

New

Practice Cyrillic handwriting with guided tracing and memory exercises.

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$10

Snowboard Tricks Trainer

Train and master snowboard tricks with guided progressions and sessions.

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Calisthenics Trainer

Train different calisthenics skills with a workout tracker.

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$20

Write Latin Alphabet

New

Practice Latin handwriting with guided tracing and memory exercises.

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Keyword for App

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

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Weekly Challenge Roll

Roll fun weekly challenges and share them with your friends.

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Recipe to Grocery List

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

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Car Maintenance Schedule

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

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Draw Inspiration

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

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Write Arabic Alphabet

Practice Arabic handwriting with guided tracing and memory exercises.

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Quiz For Hire

New

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

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What to Build Next

Playful wizard that helps developers pick their next app idea, step by step.

Stay or Quit

A reflection tool to help you decide whether to stay or quit your situation.

Play Console Translation Assistant

New

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