Zen Labs support

Fitbit Compatibility

No. We specifically stated it’s only available on Fitbit Ionic and Versa Smart Watches only.

Still need a hand? Contact Zen Labs or ask the community.
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The original C25K®

Meet your
running partner.

Choose your app store to get started. Check the listing for current plans and in-app purchases.

Download on theApp StoreGet it onGoogle Play

For iPhone and Android