Calm, useful, slightly weird mobile apps.
Indie mobile studio crafting calm, useful, slightly weird apps.
Small apps. Everyday uses.
Learn a little, make something, or take a puzzle break. Available on Google Play.
Crop Video Editor: Trim & Cut
Crop, trim and resize with Cropzen. Free 1080p export, no watermark.
English Vocabulary Size Test
Estimate your English vocabulary in two minutes, then learn words with pictures.
Geography Quiz: Maps & Flags
Learn the flags, capitals and countries of the world, one country at a time.
Jestem: Learn Polish Words
Practical Polish vocabulary for Russian and Ukrainian speakers.
Math Riddles & Logic Puzzles
120+ hand-built riddles, with hints that explain the reasoning.
Year Progress: Habits & Goals
Keep the year, your habits and the next important date in view.
AI Photo Enhancer: Unblur HD
Sharpen, restore, colorize and edit with Zuriva. Photos stay on your phone.
Color Lines 98: Clay Puzzle
Slide colored blocks, line up four or more, no timer, no pressure.
Useful reads
Practical guides to learning, editing, and making time count.
Chad vs Romania flag: how to tell them apart
Chad and Romania both use blue, yellow and red vertical stripes. Compare the flags side by side and learn when the shade of blue is a useful clue.
How to resize a video without cropping
Keep the whole frame when changing video size. Compare fitting, padding and stretching, with a worked 1920x1080 to 1080x1920 example.
How to crop a horizontal video to 9:16 on Android
Turn a landscape clip into vertical video: choose a 9:16 crop, keep your subject in frame, and understand what happens to resolution before you export.