Get early access

iOS & Android

Launching August 2026

Kustos is in final pre-launch testing. Join the waitlist and we’ll send exactly one email when it’s live on the App Store and Google Play.

Launching August 2026 on iOS & Android. One email when it's live — nothing else. Privacy

Free at launch

  • Unlimited routines, organized in folders
  • Full workout history and progression charts
  • One-tap import from Hevy, Strong, and 6 more apps
  • Versioned backups and one-tap restore
  • CSV export — never paywalled
  • Buddy Mode: live sessions with a friend

Runs on

  • iOS — iPhone, iOS 16.1 or later
  • Android — Android 7.0 or later
  • Full feature parity on both platforms
  • kg and lb, dark and light themes

Speaks your language

English, Spanish, German, French, Italian, Portuguese, Turkish, Russian, Japanese, Korean, Chinese (Simplified), Chinese (Traditional) — 12 languages at launch.

No account needed to start: install, open, log. Curious what happens to your data? Read the plain-language answer.