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Our timeline: 3–4 weeks

How Long Does It Take to Build a Fitness App?

Workout apps, AI coaching, and subscriptions — fitness development timelines.

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Week-by-week timeline

1

Design & architecture

Week 1
  • Workout flow design
  • Subscription model
  • Exercise library structure
  • Apple Health integration plan
🏁 Approved designs
2

Core build

Weeks 2–3
  • Workout logging
  • Progress tracking
  • RevenueCat subscriptions
  • Push notifications
🏁 Working fitness app
3

Launch

Week 4
  • Apple Health sync
  • App Store submission
  • QA on devices
  • Production launch
🏁 Live on App Store

What affects the timeline

AI coaching

Basic programs: baseline. GPT-4 adaptive coaching adds 3–5 days.

Video library

Embedded videos: 2–3 days. Custom video hosting pipeline: 1–2 weeks.

Social features

Solo fitness app: 3 weeks. Social challenges and friends add 1–2 weeks.

Timeline comparison

OptionTimelineNotes
Our agencyUs3–4 weeksCore fitness MVP
Freelancer3–5 monthsSubscription integration often delayed
No-code fitness template2–4 weeksLimited customization

Frequently asked questions

How long for a Peloton-style app?

Software-only (no hardware): 4–6 weeks for video workouts + subscriptions. Hardware integration is separate.

Start your Fitness App in 3–4 weeks

Fixed price. Senior team. You own the code from day one.

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More app development timelines