Delivered engagementHealth & Wellness · $9k – $15k
FitWoody

Recovery & Readiness

Delivered engagement. Coralsoft designed and built this product end to end; figures below retain their evidence level.

MobileReact NativeExpo SDK 54Expo Router
FitWoody — product interface
FitWoody — product interface
The situation

What was in place before we started.

FitWoody is a recovery and readiness platform built around Apple Watch — adapting daily goals to your energy, recovery, and time available, rather than pushing the same target every day.

FitWoody is a recovery and readiness platform built around Apple Watch — adapting daily goals to your energy, recovery, and time available, rather than pushing the same target every day.

Engagement
2 months reconstructed
Team
6 people
Budget
$9k – $15k reconstructed
Used by
Apple Watch users · Casual athletes · Habit builders
Data sources
Apple Watch, Apple Health (native first)
Coverage
Readiness, recovery, sleep, training load
Output
Adaptive goals, FitPassport, audio graphs
Implementation architecturereconstructed
React NativeExpo SDK 54Expo RouterTypeScriptNativeWindTanStack QueryReact Hook Form + ZodSupabase RealtimeCloudflare R2ffmpeg pipelineSupabase (Postgres + RLS)Supabase Auth
Challenges

Each constraint, and what we did about it.

Constraint

Same target every day

What we did

Recovery-aware daily targets

Constraint

No awareness of recovery

What we did

Push, normal, or recover signals

Constraint

Punishing on tired days

What we did

Sleep & HRV inform the goal

Constraint

Sleep ignored as input

What we did

Sustainable consistency over hustle

Constraint

Encourages overtraining

What we did

Habit formation built in

Constraint

Burns out non-pro users

What we did

Accessible, audio-graph friendly

Sustainable fitness is recovery-aware fitness. Apps that adapt are the ones users keep.

Results

Outcome, with the source of every figure.

2-month engagement
+57%
Sustained daily use, 90 days.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+84%
Apple Watch onboarding completion.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
−38%
Burnout-related uninstalls.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+62%
Adaptive goal hit-rate.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
4.6★
App Store rating
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
71%
7-day retention
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
VoiceOver / accessibility usage
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
Recovery-day check-ins
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.

By replacing one-size-fits-all goals with adaptive, recovery-aware targets, FitWoody turned sustainability into a feature — and earned long-term loyalty from users who'd otherwise burn out.

Roadmap

How it was sequenced.

2 monthsreconstructed delivery
Weeks 1–2

Discovery & shaping

Discovery, target-user research with casual athletes & busy professionals.

Weeks 3–7

Core build

Readiness scoring, adaptive goals, FitPassport, watchOS app, audio graphs.

  • Readiness
  • Adaptive Goals
  • FitPassport
  • Audio Graphs
Weeks 8–9

Launch & iterate

Apple Health rollout, accessibility certification, habit loop, App Store launch.

More work like this.

Every case study is a Coralsoft delivery story, with the evidence behind each figure kept visible.