LockIn is an AI accountability coach that keeps you consistent through natural SMS conversations.
It remembers your goals. Challenges your excuses. Keeps you accountable. And helps you become the person who follows through.
Why LockIn?
AI Accountability Coach
Real conversations that feel human. Not robotic reminders.
SMS First
No app checking. Your coach reaches you wherever you are.
Personalised Coaching
Remembers your goals, habits, progress and previous conversations.
Long-Term Memory
Every conversation builds on the last one. Your coach never forgets.
Progress Tracking
Track weight, body measurements, strength improvements and consistency.
Adaptive Coaching
The AI changes its coaching style depending on your behaviour and progress.
PROCESS
01
02
03
04
IN ACTION
LockIn
Your AI Coach
You skipped yesterday.
Don’t skip twice.
Heading now.
Good.
You’ll thank yourself later.
LockIn
Protein today?
110g.
Target is 160.
You’re not finished.
LockIn
You said this year would be different.
Prove it.
WHY LOCKIN?
Other Fitness Apps
✕
Push notifications
✕
Generic reminders
✕
Easy to ignore
✕
Starts over every day
✕
Tracks progress
TESTIMONIALS
★★★★★
“LockIn feels less like an app and more like someone who genuinely expects me to show up.”
Marcus T.
★★★★★
“It’s the first thing that’s actually kept me consistent. Not motivation. Just accountability.”
Sarah K.
★★★★★
“I stopped negotiating with myself. LockIn just reminds me of what I said I would do.”
James R.
FAQ
How does LockIn work?
Does it use AI?
How does SMS coaching work?
Does LockIn remember previous conversations?
Is my data private?
Can I cancel anytime?
EARLY ACCESS
Why join early?
Completely free during beta — no payment required.
Limited number of founding members — spots are genuinely limited.
Help shape the future of LockIn — your feedback will directly influence what we build.
Priority access to every new feature before the public launch.
Reserve your spot
Join Early Access
Free during beta · No credit card required
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Keep Your Word.