A small app studio from Switzerland

Simple apps for everyday life.

Learning English, exploring the Bible, rocking the baby to sleep, tending a felt garden. Salzwerk makes calm apps, one at a time and each with care.

See the apps ↓
Now on the App Store
Cozy garden game

Tiny Garden Days

A garden made entirely of felt. Plant, water, harvest and watch everything grow – with Pip the hedgehog by your side.

Learn more →
Learn English

Vokabu

Over 6,000 words from primary school to the Swiss Matura, inspired by the Lehrplan 21 curriculum.

vokabu.app →
The Bible by topic

Bible Tag

More than 370 topics lead you straight to the right verses. Fully offline.

bibletag.app →
Sleep music for babies

Spieluhr

Nine felt animals play nine lullabies as real music box melodies.

spieluhr.app →

Small apps you can trust with your kids and your time.

  • Calm by design
  • For the whole family
  • Made with care