Plinth
A workout program, built around you.
Plinth turns your goals, equipment and schedule into a complete strength program, adapts it as you progress and coaches you through every set — with all your data staying on your phone.
Inside the app
Designed to feel native
Highlights
What we built
01Adapts as you progress
A progression engine adjusts sets, reps and load week to week based on how training is going.
02Hands-free voice coach
Spoken countdowns for sets and rest periods, so you never have to glance at your phone mid-lift.
03Private by design
No accounts and no servers: every workout, PR and body weight entry stays on the device.
04Built into the iPhone
Home and Lock Screen widgets plus Dynamic Island keep today's session one glance away.
The landing page
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