Pay once, own it
One payment of $34, versus about $15.99 a month for a typical workout app
A home workout tracker you pay for once
Run a 30, 60 or 90-day challenge with guided workouts, daily habits, weight and measurements, and progress photos. No subscription, no cloud and no monthly fees. It works offline on your own device.
$34 once. No subscription.
Why people choose Storm Fitness
Private by design
Your weight, measurements and photos stay on your device. No cloud, no tracking, no online account
Works offline in your browser
Works offline. Open it in Chrome, Edge, Safari or Firefox
Try it with demo data
Comes with a sample challenge, so you can see every feature first
Everything in one app
30, 60 or 90-day challenges with guided workouts, habits and progress tracking.
Guided Workouts
- Press play and the app walks you through every set
- Countdown timers for timed exercises and rest timers that start on their own and beep near the end
- Form tips plus easier and harder options for 31 exercises
- Beginner, intermediate and advanced home programs. No equipment needed, just a chair and a bit of floor
- Full body, cardio and core, lower body, mobility, upper body, HIIT and rest days. Reps and holds grow each week
Challenge and Habits
- 30, 60 or 90-day challenges with a colour-coded calendar of every day
- Daily habits: workout, water, protein, stretching, steps, sleep and your own habits
- A perfect-day streak and weekly reflections
- Go back and fill in a day you missed
Progress
- Weight trend with a 7-day average and your goal line
- Waist, hips, chest, arms and thighs, start versus now
- Progress photos you can compare side by side
- Personal bests for every exercise, and a full workout log with CSV export
- Pounds and inches, or kilograms and centimetres
Printables
- Challenge tracker for the fridge, this week's workouts, a progress report, and blank measurement and workout log sheets
Press play. We count the rest.
Timed exercises count down, rest timers start on their own and beep near the end.
- Rest timer. Starts automatically.
- Form tips. Easier and harder options.
Every day of your challenge
A colour-coded calendar of every day, with workouts and weekly reflections.
- Perfect-day streak. Every habit done.
- 30, 60 or 90 days. Pick your challenge.
A plan for every day
Full body, cardio, lower body, mobility, upper body, HIIT and rest. It grows with you.
- No equipment. Just a chair and floor.
- Gets harder weekly. Reps and holds grow.
See the change the mirror misses
Weight trend with a 7-day average, five measurements and your goal line.
- Start versus now. Every measurement.
- Progress photos. Compare side by side.
Beat your personal best
Every session saved, with your best set and heaviest lift for each exercise.
- Personal bests. Updated automatically.
- CSV export. Your data, your way.
Pay once, not every month
Own your software. No renewals, no price rises and no lock-out.
Typical workout app
$15.99 /month
- About $96 to $192 a year
- Pay again every year
- Your body data lives online
- Stops working when you stop paying
Storm Fitness
$34 once
- Unlimited challenges and workouts
- No subscription, ever
- Data and photos stay on your device
- Works without internet
Subscription pricing based on published plans of popular workout apps, November 2026.
Security and backups
Password plus PIN lock, auto-lock when idle, and a recovery key
One-click backup and restore, light and dark mode
A daily workout reminder for your phone calendar
How it works
Download the file after purchase
Double-click to open it in your browser
Explore the sample challenge or start your own today
Frequently asked questions
Do I need to install anything?
A single Storm Fitness file (HTML), delivered instantly. There is nothing to install and no sign-up.
Does it sync between devices?
Data is saved in the browser on the computer you use. It does not sync between devices. Export a backup regularly from Settings. To move to another computer, copy the file and restore your backup there.
What does it run on?
Works on Windows, Mac and Chromebook in Chrome, Edge, Safari or Firefox. It also opens on phones and tablets.
Is there a subscription?
No. You pay $34 once and the app is yours to keep. There are no monthly fees and no online account.
I own the earlier version. Will my data carry over?
Open the new file in the same browser and your days, habits, workouts, weights and notes are brought across automatically.
Can I get a refund?
Because it is a digital download, returns aren't accepted. Message us with any questions before or after you buy.
Anything else I should know?
These are general home workouts, not medical advice. Check with your doctor before starting a new exercise program.
Start your challenge with Storm Fitness
$34 once. No subscription.