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ASICS Runkeeper vs C25K: catalog facts
ASICS Runkeeper	C25K
Freemium Free app with a paid tier for extra training features.	Freemium Free on iOS and Android with optional paid features.
Android, iOS	Android, iOS
Training plans that adapt to your schedule Audio-guided coached workouts	Simple eight-week plan aimed at beginners Audio coaching during workouts
Closed source Some features require a paid tier	Focused only on reaching 5K Some features require payment
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.