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Android apps and games

Small, focused apps for everyday tasks on your Android phone – and puzzle games from stillmeasure. games. Most tools do their work right on your phone, and the apps need no account.

Android tools

Sign and scan documents, organize and protect your photos, measure noise.

Sign PDF: Fill & Scan Docs

Sign and fill PDF forms, scan paper to PDF, merge, split and compress – offline.

  • Free
  • Android
  • No ads

Photo Gallery: Albums & Vault

Photo and video gallery with albums, a PIN vault, editor and storage overview.

  • Free
  • Android
  • Contains ads

Sound Meter: Decibel dB Level

Decibel meter with live gauge, min/max/average, calibration, history and PDF reports.

  • Free
  • Android
  • Contains ads

UpNDown: Gallery Cleaner

Swipe down to delete, up to keep – sort a full camera roll with a trash you can restore from.

  • Free
  • Android
  • Contains ads

See all Android tools

Games

Calm logic puzzles for short breaks.

Snake Escape: Brain Puzzle

Tap neon snakes off the board – a calm logic puzzle with 10,000 levels in fun shapes.

  • Coming soon
  • Android
  • Contains ads

Why these apps

I build each app around one job and try to keep it simple: open it, do the task, done. Your files stay on your phone wherever possible – the PDF app and the gallery apps work without uploading anything. Every app page lists what is free, what costs extra and whether the app shows ads, plus a link to its privacy policy.

Looking for planners instead? Our planner tools are web apps for your browser and Google Sheets™ templates.

From the blog