Lift with zero friction.
The Strength. app is the beautiful, offline-first companion that takes you from planning to your last rep — fluid, focused and motivating. On iPhone and live on your wrist.
100%
Works fully offline
No signal at the gym? No problem. Syncs later.
Live
On your wrist
Real heart rate & calories from Apple Watch.
0
Friction, by design
One set at a time. Beautiful, focused flow.
4
Themes to match you
Neon, Monochrome, Pastel, Normal.
Built for the whole lift
From the first plan to your next personal record — every feature earns its place.
Plan
Program builder
Programs → days → exercises → sets. Drag to reorder, schedule by weekday.
Supersets
Group exercises and run them round by round, live.
Weekly scheduling
Assign training days to weekdays and show up with a plan.
Train (live)
Live session
One set at a time. Weight & rep steppers, dialled for focus.
Set types
Warmup, work, drop and failure sets — plus half-rep support.
Smart rest timer
Local notifications fire even when the app is in the background.
Notes carried forward
Per-exercise notes and last-session placeholders, right where you lift.
Watch & Health
Apple Watch companion
A live mirror of your session, with real heart rate & calories.
Apple Health
Workouts saved to Health with calories and HR integration.
Live Activities & Dynamic Island
Track and control the session from your lock screen.
Insights
Stats & PRs
Per-exercise charts, training streaks and personal records.
Estimated 1RM & volume
See max weight, estimated 1RM and total volume over time.
Home-screen widgets
Habits, next workout, weekly stats and calendar at a glance.
Personalize
4 themes
Neon, Monochrome, Pastel and Normal — match your vibe.
In-session music
Link and control an Apple Music playlist as you train. (Pro)
Habits
Track daily & weekly lifestyle habits with streaks.
Bilingual
Full English and French throughout the app.
Three steps, end to end
01
Build your program
Create programs, training days and exercises. Drag to reorder, add supersets, schedule by weekday.
02
Train with the live session
A focused, one-set-at-a-time flow. Steppers, set types, rest timer and last-session placeholders.
03
Track progress & PRs
Charts, streaks and personal records. Workouts sync to Apple Health automatically.
Your session, mirrored live
Your iPhone is the source of truth. Apple Watch mirrors the session in real time — streaming your heart rate and calories straight back, so the numbers you see are the numbers you lived.
- ✓ Real-time heart rate & active calories
- ✓ Start, log and rest from your wrist
- ✓ iPhone stays the source of truth — the watch just mirrors it
Four themes. One you.
Tap a theme to recolor the app live. Neon ships as the default.
Deadlift (Barbell)
Set 1/4 · Work
70
kg
9
Reps
🔥 0
Start free. Go Pro when you’re ready.
The free tier is genuinely usable. Pro unlocks the extras that go further.
Pro
Pro — subscription
Unlock music, health insights, Apple Watch and more.
Coming soon| Feature | Free | Pro |
|---|---|---|
| Program builder & live session | ✓ | ✓ |
| Offline-first with background sync | ✓ | ✓ |
| Stats, PRs & habits | ✓ | ✓ |
| Programs & training days | Limited | Unlimited |
| Apple Watch companion | — | ✓ |
| In-session music (Apple Music) | — | ✓ |
| Advanced health & insights | — | ✓ |
| Premium themes | — | ✓ |
Pro is an in-app subscription, delivered securely via RevenueCat.
Good questions, honest answers
Does it really work offline?
How is my data stored and kept private?
Is there an Android version?
Do I need an Apple Watch?
How much does it cost?
When does it launch?
Be first through the door.
Strength. is coming soon to the App Store. Be among the first when it lands.