Trainer.ai vs GymMatrix AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trainer.ai
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Looking to get fit and healthy? Look no further than TrainerAI! Our app is designed to help you crush your fitness goals, no matter what they are. With curated workout programs led by top fitness influencers, our app is the perfect tool to help you stay motivated and on track. Trainer.ai provides paid subscriptions that grant access to carefully selected influencers and program plans, ensuring that you receive high-quality, professional content from experts. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our advanced workout logging system lets you easily track your sets and reps, and see your progress over time. And with our workout history feature, you can see just how far you've come on your fitness journey. Whether you're just starting out or you're a seasoned fitness enthusiast, TrainerAI has everything you need to take your workouts to the next level. Download our app today and start your fitness journey!
GymMatrix AI
This AI-powered fitness app allows voice-controlled logging of workout sets, generating personalized training programs, and tracking progress. It offers smart exercise substitutions, set tracking, and weekly insights to help users achieve their fitness goals.
- Voice-first workout logging
- AI workout generator
- Smart exercise swap
- Set tracking with progress visualization
- Progressive overload coaching
- Weekly AI insights and reports
- Calorie burn estimates
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GymMatrix AI is a voice-first workout tracker that lets you log sets without touching your phone. Just hold the mic and say "bench 225 8" — the AI handles the rest. Built for real gym sessions where your hands are chalked up and your phone is sitting on a bench. Tap or talk, your choice. VOICE LOGGING Hold the button, say your exercise, weight, and reps in natural speech. The AI understands casual gym talk — "two plates for five" becomes Back Squat, 225 lbs, 5 reps. Works even better with AirPods in loud gyms. AI WORKOUT GENERATOR Answer 5 quick questions about your experience, schedule, and equipment. The AI builds a complete weekly program tailored to your goals. Don't like it? Regenerate or edit before saving. SMART EXERCISE SWAP Missing a piece of equipment? Tap swap on any exercise and get 3 AI-suggested alternatives that hit the same muscles. SET TRACKING Visual progress dots show exactly where you are. Three sets of bench? Watch the dots fill as you go. Progress bar tracks your entire session. PROGRESSIVE OVERLOAD COACHING When you've been hitting the same weight consistently, the app nudges you to add 5 lbs or an extra rep. Simple, data-driven progression. WEEKLY AI INSIGHTS Every week, the AI analyzes your training and generates a report: what went well, what to improve, muscle group balance, and a specific tip for next week. CALORIE BURN ESTIMATES Real-time calorie tracking that factors in your body weight, the load lifted, and exercise type. Heavy squats burn more than light curls — the math reflects that. BODY WEIGHT TRACKING Log your weight daily with a trend chart that shows your progress over weeks and months. Goal tracking tells you if you're on pace. 150+ EXERCISES Comprehensive library covering chest, back, legs, shoulders, arms, core, and conditioning. Every exercise has voice aliases so the AI recognizes however you say it. WORKOUT SUMMARY End your session and see the full recap: total volume, calories burned, personal records, and difficulty breakdown. CUSTOM ROUTINES Build your own split or choose from 5 preset programs including Upper/Lower, Push/Pull/Legs, Full Body, Body Part Split, and Glute & Tone. SHARING Brag and share your lifts with friends. Hold each other accountable and share your goal achieving lifts directly from the app. All your data stays on your device. No account required. No ads. Just you and the iron. Development in progress heavily, submit feedback and see your feature requests come to life! Terms of Use: https://sites.google.com/view/gymmatrix-terms Privacy Policy: https://sites.google.com/view/gymtracerprivacypolicy/home
Screenshots
Verdict
The clearest difference is device support: GymMatrix AI at 3 against Trainer.ai's —. On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Trainer.ai sells 4 in-app purchases, starting at $9.99 per month and GymMatrix AI sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Trainer.ai | GymMatrix AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 5 days |
| Ads | — | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 53 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Daylon Ball | Alex Tudor |
In-app purchases
Trainer.ai
- Clarence Monthly Subscription1 Month trial$9.991 Month
- Sarah Monthly Program Plan14 Days trial$12.991 Month
- Clarence Yearly Subscription1 Month trial$99.001 Year
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- Sarah Yearly Subscription14 Days trial$99.991 Year
GymMatrix AI
- GymTracer Pro Monthly7 Days trial$2.991 Month
- GymTracer Pro Yearly7 Days trial$19.991 Year









