You didn't quit fitness.
You quit the tracking app.
Fitly is an agent you text like a person. Say what you ate or snap a photo and it's handled: the logging, the plans, the macro math. Let your agent do the tracking.
Works with Apple Health
A meal, water, a workout, and a weigh-in from one sentence. Twenty seconds, done.
If you've quit a tracking app, you already know why: the database searches, the serving-size math, the dozen taps just to log a sandwich. That wasn't a you problem. It was a homework problem. Fitly skips all of it. Say what you had and it's logged. Scan, snap, or type by hand when you want. You never have to.
The modern fitness setup is a part-time job: five apps, none of them talking to each other, and you carrying the numbers in between. Fitly replaces the stack, and the job of managing it.
$10-20/mo
$5-10/mo
$12/mo
$10-15/mo
a ChatGPT tab that doesn't know you
Fitly AI · $24.99/mo
One agent. One brain. All of it.
$45-60 a month across the stack, and you're still the integration layer. Fitly AI is $24.99, and the pieces finally share a brain.
Let your agent do the tracking
Most apps bolt a chat box onto a database. In Fitly the chat is the remote control: behind it, an agent with 50+ tools logs your meals, edits your plans, recalculates your targets, and remembers what changed. Here's an ordinary week.
One week with Fitly
Every tracker waits for you to remember it exists. Fitly checks in: a real text in your agent's voice, ending in one question you can answer in a few words. Reply right from the lock screen, and the reply does real work. Logging breakfast doesn't even take opening the app.
You set the dial: Never, Big moments, Daily, or Hands-on. And if you go quiet for a few days, you get one quiet text asking how you are. Never a guilt trip.
Tuesday, August 25
9:41
FitlynowMorning. Breakfast was 8:00 by your schedule and nothing's logged yet. What did you have?
two eggs, toast, black coffee
FitlynowLogged: 385 cal, 26g protein. Solid start. See you after leg day.
Asked, answered, logged. The app never opened.
Separate apps keep separate notes. Your agent holds everything in one head, so every answer is built on your data, not generic rules.
Your food app doesn't know you trained today. Your workout app doesn't know you're cutting. Fitly knows both, because there's only one of it.
How it works
This is the shape of it, from the day you name a destination to the day you arrive. You bring the goal. Your agent does the work, chapter by chapter.
Chapter 1 · The destination
Down 20 by the wedding. A first 10K. Two honest weeks of logging after years of not. Tell Fitly where you're headed and that becomes your journey.
My Journey
On trackDown 20 by the wedding
12.4 lb down · 7.6 to go
Needs 0.8 lb a week. You're trending 1.1.
Chapter 2 · The program
Not a template with your name on it. Your agent writes the program from what you told it: the knee that complains, the barbell you don't own, the four days you actually have, the food you won't eat.
Your program
Day 1 — Lower
nothing that loads the knee
Day 2 — Push
Day 3 — Pull
Day 4 — Full body
dumbbells only
Chapter 3 · The everyday
This is the part every other app gets wrong. Your job is not data entry; it's a sentence here and a photo there. Everything lands in the same place, and the rest arrives on its own.
One ordinary Tuesday
And if you can eat it, you can log it. Four layers before it ever gives up:
Chapter 4 · The curveballs
A sore knee, a rough night, a wedding that moved up three weeks. Mention it once, in passing, and the plan is already different by tonight. It was listening.
You mention a sore knee in passing.
Tonight's leg day rebuilds around it.
You started creatine on Monday.
The 3 lb jump reads as water, not a stall.
You say you hate cilantro. Once.
No meal plan ever includes it again.
You say: down 20 by the wedding.
Every answer until then paces toward it.
Two nights under six hours.
Today's session drops the intensity, not the plan.
You said Sunday at 2pm is leg day.
Sunday, that's the session it programs.
And the biggest curveball of all: the two weeks you disappear. Come back and there's no dead streak, no red chart, no lecture. Your agent shrinks the week to meet you where you are, and your journey picks up right where it left off. The lapse is part of the plan.
Chapter 5 · The wall
Week six. You've done everything right and the scale hasn't moved. This is where most people quit. Your agent doesn't panic: it's watching more than one number, and one flat weigh-in can't talk you out of a program that's working.
And none of it sits in a chart nobody opens. Your check-in rides along with every message you send, so the agent already knows you slept five hours, straight from your watch, before it writes tonight's session.
12 weeks in
Weight
no change
Waist
↓ 1.5″
That is recomposition, and the scale is not the story here.
Chapter 6 · Arrival
Arrival day gets an honest reckoning, not a participation trophy: what you set out to do, what actually happened, how long it took. Close the chapter, keep the history, send the share card to everyone who watched you try. Then you and your agent pick the next destination, because the person who just did that is capable of more.
My Journey
ArrivedDown 20 by the wedding
20.3 lb down · 16 weeks
Chapter closed. The card is yours to send.
Next chapter · your call
Your first 10K?
The pizza. The skipped workout. The week you went quiet. Tell Fitly the truth and it meets you with a plan, never a lecture.
Warm
That happens, and one miss is not a pattern. Tomorrow is there when you are.
Direct
Fine. Don't make it two. What's stopping tomorrow?
Scientist
Three sessions this week against four last. Still inside your trend, so nothing to fix yet.
Name your agent, then shape how it thinks and how it sounds: 7 approaches for what it notices and pushes on, and 13 voices for how it talks to you. Same brain, your tone. The longer you use it, the more it feels like talking to someone who actually knows you.
Light, dark, seasonal, neon. Make the whole app feel like yours: 21 out of the box, and 17 more to unlock from mystery boxes as you go.
Fitly isn't built by a team that read about weight loss. It's built by two people who lost 230 lbs between them, kept it off, and quit the same tracking apps you did along the way.
Lost 80 lbs. 25+ years building products. 4 software patents. Former CTO. Built Fitly to be the app he wished existed during his own transformation.
Product & Development
Lost 150 lbs. Featured in Oxygen Magazine. Certified personal trainer and nutritionist. She knows what real transformation looks like.
Sales & MarketingFrom our first users
Sometimes I feel like it knows what I'm saying before I say it.
Amy B. · Early user
I logged a meal from a restaurant... just listed the items on my plate with rough estimates, and it logged really easy!
Lindsay P. · Early user
Why it feels different
People who can afford anything don't solve it with an app. They hire staff, and what that money really buys is subtraction: nothing to log, plan, remember, or interpret. Fitly delivers the same experience with an agent instead of a payroll. The premium isn't more features to use. It's fewer things you have to do.
The trainer
Builds and rebuilds your workouts around your injuries, your equipment, your week.
The nutritionist
Plans your meals, sets your macros, and logs your food from a sentence or a photo.
The analyst
Reads the trend under the daily noise and tells you the one thing that matters.
The one in your corner
Meets you with a plan, never a lecture, every time you come back.
Simple monthly pricing. No contracts, cancel anytime.
All prices in USD.
The difference between Lite and Fitly AI is the agent.
Try Fitly free for 3 days. Choose or change your plan before billing starts.
Plan libraries, mystery box rewards, 14 brain games, voice chat, and an MCP server so other AIs can talk to yours. See the whole toolkit.
