Coaching Software, simplified.
Stop juggling Excel sheets, emails, and Google Drive. Gain is the all-in-one personal trainer software for training plans, nutrition management, check-ins, and client communication — so you can focus on coaching.
Coaching Software for Personal Trainers & Athletes
A web app for coaches to manage everything, and a mobile app for athletes to follow their plans.
Coach Web App
Athlete Mobile App
Everything a Personal Trainer Needs to Coach Online
No more spreadsheets, email chains, and scattered cloud folders. Create training plans, manage nutrition, and track athlete progress — all in one coaching platform.
Training Plans
Create and assign personalized training plans with our intuitive plan builder. Include video demonstrations and detailed instructions for your athletes.
Nutrition Management
Create nutrition plans, set calorie and macro targets for your athletes. Track compliance and adjust plans based on real data.
Progress Tracking
Monitor body metrics, performance data, and check-in photos. Visualize progress with clear charts and trends.
In-App Communication
Stay connected with your athletes through integrated messaging. Share feedback, motivation, and adjustments instantly.
Analytics & Insights
Get a clear overview of your coaching business. Track athlete engagement, compliance rates, and growth metrics.
Mobile Athlete App
Your athletes get a beautiful, easy-to-use mobile app for iOS and Android to follow their plans, log workouts, and track their nutrition.
Start Coaching in 3 Simple Steps
Get up and running in minutes — no technical setup required.
Create Your Account
Sign up in under a minute. No credit card, no payment info, no strings attached.
Invite Your Athletes
Send invite links to your athletes. They download the app, enter their code, and you're connected instantly.
Start Coaching
Create training plans, set nutrition targets, track progress, and communicate with your athletes — all from one dashboard.
Simple, Usage-Based Pricing
Only pay for what you use. Start free, scale as you grow. No credit card required.
No credit card or payment information required. A subscription is only needed once you coach more than 3 athletes.
Free
0 – 3 athletes
Get started — no payment info needed
Growth
4 – 20 athletes
For growing coaches
Professional
21 – 35 athletes
For established coaches
Enterprise
36+ athletes
For large coaching businesses
All plans include:
Coaching 50+ athletes? Contact us for individual pricing. Contact Us
Already Have Client Data?
Switching to Gain is easy. We offer data import so you can bring your existing athlete data with you — no starting from scratch.
Trusted by Coaches
Hear from coaches who use Gain every day to run their business.
Chris Bauer
Personal Trainer
“Gain has completely replaced the collection of apps I used before. The UI is clean and intuitive, the app is rock-solid stable, and the flexibility to customize everything for each client is unmatched.”
Lukas Rettenmaier
Sports Scientist (M.A.) & Online Coach
“Since switching from Google Sheets to Gain, my coaching workflow has become so much smoother. My clients benefit from a clear structure and everything is in one place.”
Madeleine Rübsam
Physique & Mindset Online Coach
“The customizable tracking fields are a game-changer. I can tailor everything to each client's needs, which makes individual care so much easier.”
Why Kevin and Moritz?
Gain isn't built by outsiders — it's built by people who live this sport. A world-class bodybuilding coach and a software engineer who's been coached to the stage.
Kevin Vega
Co-Founder & CEO
Kevin has decades of experience in bodybuilding and fitness coaching. He has coached athletes to national and international stages, from beginners to competitive bodybuilders. Every feature in Gain is shaped by his real-world coaching experience.
Moritz Eberhard
Co-Founder & CTO
Moritz is a software engineer with 15+ years of experience building products. Coached by Kevin himself, he has competed on stage — giving him a unique perspective as both athlete and engineer. He knows exactly what coaches and athletes need.
There are literally no better founders to build this.
Frequently Asked Questions
Everything you need to know about Gain.
Yes! You can coach up to 3 athletes completely free, with no time limit or feature restrictions. No credit card or payment information needed — just sign up and start coaching. All features are available on every plan.
The coach web app works on any modern browser (Chrome, Safari, Firefox, Edge). The athlete app is available for both iOS and Android.
You're billed monthly based on the number of active athletes. The first 3 athletes are always free — no payment information required until you add a 4th athlete. Pricing is graduated — each tier only applies to athletes in that range. For example, with 25 athletes you pay nothing for the first 3, 7 EUR each for athletes 4–20, and 5 EUR each for athletes 21–25.
Absolutely. There are no contracts or commitments. You can cancel at any time, and your athletes will still have access until the end of the billing period.
You send them an invite link from your dashboard. They download the Gain app from the App Store or Google Play, enter the code, and they're connected to you instantly.
Yes. We use industry-standard encryption and secure authentication. We are fully GDPR compliant.
See Gain in Action
Whether you want to dive right in, watch a walkthrough, or talk to our founders — we've got you covered.
Start Free
Sign up and use Gain for free with your first three clients. No credit card required.
Watch Tutorials
Watch recorded product demos and tutorials to see Gain in action before you start.
Book a Product Demo
Schedule a 30-minute call with our founders. They'll show you Gain and answer all your questions.
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Take GAIN on the Go
Your athletes can access their training plans, log workouts, and track nutrition right from their phone.
Your Athletes Deserve Better Than Spreadsheets
Start coaching on Gain today — it's free, takes under a minute, and no credit card is needed.
Start Coaching for Free