AI Fitness Companion

MUSTLE

The only fitness app that talks back.

Voice log your sets or type them in. Mustle knows your history, pushes you harder, and responds in real time — every rep, every set, every session. Your AI fitness companion. Your workout. Your way.

No spam. Just gains.

VOICE LOGGING AI GYM COMPANION EVERYDAY I'M MUSTLE-ING TRAINER VOICES NO HUSTLE. NO MUSTLE. EARN THE M. DISCIPLINE OVER MOTIVATION VOICE LOGGING AI GYM COMPANION EVERYDAY I'M MUSTLE-ING TRAINER VOICES NO HUSTLE. NO MUSTLE. EARN THE M. DISCIPLINE OVER MOTIVATION
What Mustle Does

YOUR COMPANION.
YOUR GAINS.

Every feature built around one goal — an AI fitness companion that knows your workout, responds to your voice, and pushes you further every session.

🎙
VOICE LOGGING

Say your reps out loud or type them in between sets. Mustle logs everything instantly and responds in real time.

🎧
REAL-TIME COMPANION

Not just an app. Mustle listens, responds, motivates, and adapts to you — like having a personal trainer every single session.

💪
CLONED TRAINER VOICES

Train with your favorite creator's voice. Their energy. Their coaching. Your AI fitness companion.

📈
PROGRESSIVE OVERLOAD

Mustle knows your history and adjusts every session automatically. Gets smarter the more you train.

🏗️
CUSTOM PROGRAMS

Your trainer builds your program inside Mustle. Your AI fitness companion guides you through every session.

🏆
PR TRACKING

Every personal record called out in real time. Your AI fitness companion celebrates with you — then pushes for more.

VOICE
+ Text Input
0+
Trainer Voices
24/7
Always With You
The Experience

HOW IT WORKS

Four steps. That's it. The rest is just reps.

01
PICK YOUR COMPANION

Choose a trainer voice from the marketplace. Preview clips. Switch anytime.

02
HIT START

One tap. Your session loads. Your AI fitness companion speaks. Put your phone away.

03
VOICE OR TYPE

Log sets by voice or text. Your AI fitness companion tracks everything and responds in real time.

04
HEAR YOUR GAINS

Session ends with an audio summary, PRs called out, and your next session queued.

For Trainers & Creators

YOUR VOICE.
THEIR GAINS.
YOUR INCOME.

Clone your voice. Become someone's AI fitness companion. Earn 30% recurring revenue on every subscriber.

💪
Marcus "Iron" Williams
@ironmarcus · PRO Partner
$0
This Month
0
Subscribers
30%
Rev Share
BECOME A VOICE PARTNER →
FOUNDING PARTNER OFFER
First 20 partners lock in 40% lifetime rev-share. Spots are limited. Early partners get co-marketing and priority listing.
BUILT BY
MUSTLE.
EARN
THE M.
DISCIPLINE
OVER MOTIVATION.
EVERYDAY
I'M MUSTLE-ING.
412 people on the waitlist

TRAIN WITH YOUR AI FITNESS COMPANION
BEFORE EVERYONE ELSE.

Get early access to Mustle before the public launch. Be first to train with your AI fitness companion.

No spam. Just gains.