Your AI personal trainer · in your pocket
Train like you've got
a coach.
Pay like you don't.
Fit4Gains is a fully self-guided fitness platform that builds your plan, films your demos, watches your form, feeds your goals, and keeps you hooked — all powered by AI. Personal-trainer expertise, zero appointments, zero excuses.
No card needed · cancel anytime · web & mobile
session.
Why Fit4Gains
A great coach costs a fortune.
A generic app costs your motivation.
Real personal trainers work — they program intelligently, correct your form, and keep you accountable. But they're never there at 6am, and you outgrow them. Most apps swing the other way: a one-size-fits-all PDF with a streak counter bolted on. Nobody's actually watching you lift. Fit4Gains closes the gap — it programs, demonstrates, corrects, and motivates, automatically, in real time.
Personal trainer
Great feedback — but limited hours, never there at 6am.
All four jobs. One app.
Generic fitness app
A one-size-fits-all PDF with a streak counter. No feedback.
Everything in one place
Six systems. One intelligent loop.
Each pillar feeds the others. Your workout shapes your nutrition; your form scores reshape your plan; your progress earns your rewards. It's not six features — it's one engine.
A coach-grade program that rewrites itself as you improve.
Every move demonstrated by a 3D coach, any angle, any level.
Your camera watches every rep and corrects you live.
Deep analytics that don't just report — they re-plan.
Meals matched to today's training, logged by photo or voice.
Streaks, leagues and rewards that make showing up addictive.
Pillar 01
A plan that's built for you —
Tell Fit4Gains your goal, level, equipment and time. An AI trainer assembles a structured program from 5,000+ exercises — progressive overload, muscle-group rotation, periodization, planned deloads. Then it adapts after every session based on how you actually performed.
Programmed like a pro, not a playlist
4–12 week cycles, 3–6 sessions a week, session-by-session prescription, built-in rest and deload weeks.
It explains itself
Every plan comes with a plain-English rationale — why this exercise, this order, this rep range — with citations. No black box.
Change anything, instantly
No equipment? Swap it. Shoulder tweaky? Sub it out. The AI re-balances the rest of the session around your change.
What can you train with?
Push / Pull / Legs. 4 weeks.
Hypertrophy block · 5 days / wk
You picked muscle gain + 5 days. Two push days, two pull days, one leg day — 12–18 sets per group per week, progressive overload, deload week 4.
It learns you · swap one move, the plan recalculates
Pillar 02
Never wonder “am I doing this right?” — watch it first.
Every exercise is demonstrated by a smooth, lifelike 3D coach — generated, not filmed. Perfect form, every angle, every variation, on demand. Your AI stitches the demos into one seamless guided session with coaching cues and rep counters.
A demo for every move — and every you
5,000+ exercises: setup, full-tempo execution, close-up form focus, correct-vs-incorrect, plus easier/harder progressions.
Multi-angle, slow-mo, on tempo
Multiple camera angles and tempo guides show exactly how fast to move down and up — the detail most apps skip.
Built to scale infinitely
Because demos are AI-rendered from a motion library, new exercises are added without a film crew. The library only grows.
Pillar 03
Point your camera. Get a coach who never blinks.
Prop up your phone, and Fit4Gains uses computer vision to track 33+ points on your body in real time — counting reps, scoring form, and correcting you mid-set, out loud, before a bad rep becomes an injury.
A form score for every set
Movement quality graded on a clear scale, with a colored skeleton overlay so you can see what good (and bad) looks like as it happens.
Live coaching in four flavours
Preventive, corrective, motivational and safety cues — delivered as audio, on-screen visuals, and haptics.
Private by design
Form analysis runs on-device — your camera feed is processed locally for speed and privacy, never streamed to a server.
Replay the tape
After each set, scrub a slow-mo replay with a trajectory line tracing the bar path — the same video review pros use, automated.
How am I doing?
Your year so far.
Pillar 04
Numbers that don't just sit there. They re-write your plan.
Most apps show you charts. Fit4Gains shows you charts and acts on them. Every metric flows back into the planning engine, so progress isn't just measured — it's the input that makes tomorrow's session smarter.
See exactly how you're trending
Volume, sessions vs planned, sets, reps, time trained and best lifts — comparable across week, month, year or all-time.
Period-on-period, at a glance
“How am I doing?” compares May vs April with clear up/down deltas. Direction matters more than vanity numbers.
Your year, in one heatmap
A consistency heatmap of every training day, plus an automatic feed of recent PRs and milestones.
The loop closes
Comparison analytics → dashboard → AI recommendations → adapted plan. Your data is the steering wheel.
Pillar 05
Eat for the session you just did — and the one you're about to.
Training and food are one system. The AI builds meal plans around your goals, tastes, budget and — uniquely — your actual training load, dialling calories and macros up on heavy days and down on rest days automatically.
Plans that fit your real life
Personalised by goal, diet style, allergies, cooking time, budget, family size and cuisine. Precise macro targets, not vague advice.
Logging that takes seconds
Snap a photo and AI identifies the meal; or say it; or barcode-scan; or one-tap your usual. Plus water tracking with reminders.
Recipes + a shopping list that writes itself
AI-generated recipes from your preferences, imports from cooking sites, and automatic grocery lists with cost estimates.
Pillar 06
The hard part isn't the workout. It's showing up. We fixed that.
Fit4Gains borrows the psychology that made habit-forming apps unputdownable and points it at your fitness. Every rep, every good-form set, every logged meal earns progress — and the streaks, leagues and rewards make consistency genuinely fun.
Earn it
XP, visual levels, daily & weekly streaks with bonus multipliers, and weekly leagues with promotion and relegation.
Collect it
100+ achievement badges and an avatar that visibly evolves as you progress, with celebration animations.
Real rewards, not just confetti
Unlock exercises, programs and analytics — plus real-world perks: partner discounts, gym day-passes and event tickets.
From zero to first session in ~10 minutes
Onboard once. It knows you forever.
Set your goal
Weight loss, muscle, general fitness or sport. A quick level check (push-ups? a mile?).
Personalise
Age, body stats, equipment, time per session, preferred styles, and any injuries.
Dial in food
Diet preferences, cooking time, budget and meal-plan cadence.
Try your first move
Try one exercise with live form tracking and an instant assessment, then confirm or tweak difficulty.
Make it a game
Create your avatar, pick your first challenge, invite a friend, set your nudges.
Then — every day
session.
Chest & Triceps,
done.
Under the hood
One AI coach. Six jobs. Zero appointments.
A single intelligent layer works on your behalf around the clock. It plans your training from research-backed principles, generates the demo for every move, watches your form, reads your progress, feeds your nutrition, and motivates you — and each of those signals updates the others.
This is the difference between an app that stores your fitness data and one that acts on it. Fit4Gains is the second kind.
The honest comparison
Coach-grade intelligence. App-grade price.
| Fit4Gains | Personal trainer | Typical app | Smart-gym hardware | |
|---|---|---|---|---|
| Personalised, adaptive plan | ||||
| Demo video for every exercise | 5,000+ | |||
| Real-time form correction | camera | |||
| Rep counting & form scoring | ||||
| Integrated nutrition | ||||
| Gamified accountability | ||||
| Available 24/7, anywhere | ||||
| Hardware required | Just your phone | n/a | None | Expensive unit |
| Typical cost | ≈ coffees / mo | ££££ | £ | £££££ |
Camera-based form trackers prove the tech works. Fit4Gains is the first to put all six trainer jobs behind one subscription — no hardware lock-in, no four-figure machine, no hourly booking.
Web · iOS · Android
Plan on your laptop. Train from your pocket.
Build and review programs on the spacious web app; take live form tracking, demos and logging into the gym on mobile. Everything syncs instantly — your plan, your numbers and your streak are the same on every device.
Chest & Triceps.
Prop your phone anywhere for hands-free form tracking — no special mount or accessory required.
Simple pricing
Start free. Go PRO when you're hooked.
Everything you need to start training smart.
- AI workout planning
- Full exercise video library
- Workout logging & history
- Streaks, XP & basic achievements
- Nutrition logging
Charts, calculators, and unlimited everything.
- Everything in Free, plus:
- Real-time form tracking & form scoring
- Charts & insights — 1RM trends, volume, best sets
- Smart warm-up — auto-calculated warm-up sets
- Plate calculator — multiple bar types & custom plates
- Unlimited templates — save & sync as many as you want
- Full AI nutrition planning & adaptive meal plans
- Advanced analytics, body-scan tracking & reward perks
- Export your data — CSV · Apple Health · anywhere
Cancel anytime · No card needed for trial
What early members say
Real people. Real gains.
Genuine member stories drop here at launch. Until then — join 2,000+ on the early-access waitlist.
Questions, answered
Everything else you're wondering.
Your future self is already stronger.
Start free today. Build your first AI plan, try a guided session, and see your form score in the next ten minutes.
Web & mobile · No card needed for trial · Cancel anytime