AI trAIner PRO vs Repstack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI trAIner PRO
This AI assistant helps fitness professionals create personalized workout programs for clients in minutes. It learns your coaching style and adapts future sessions based on client progress and available equipment.
- AI session generation
- Personalized training roadmaps
- Client profile management
- Flexible equipment adaptation
- Trainer notes and cues
- Progress tracking
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Personal trAIner PRO is the AI assistant built specifically for fitness professionals. Stop spending hours writing workout programs. Start coaching. HOW IT WORKS Define Your Coaching Style - Set your training philosophy, preferred exercises, and programming approach. The AI learns how YOU coach—not generic templates. Build Client Profiles - Track each client's goals, injury history, equipment access, and preferences. AI remembers everything so you don't have to. Generate Sessions in Minutes - Select a client, set the duration, note any pain points—and get a complete, ready-to-deliver session in under a minute. Warm-ups, main work, finishers, and trainer notes included. Deliver & Track - Run the session, log results, and watch the AI adapt future programming based on progress. FEATURES AI Session Generation — Complete workouts tailored to each client's profile and your coaching style Training Roadmaps — AI-planned progression that keeps clients moving toward their goals Client Management — Track goals, injuries, preferences, and session history Flexible Equipment — Sessions adapt to whatever equipment is available Trainer Notes — Cues and coaching points generated for every exercise BUILT FOR TRAINERS, BY TRAINERS Whether you train 5 clients or 50, Personal trAIner PRO helps you deliver better programming in less time. The AI handles the planning so you can focus on what matters—coaching. Try free for your first 4 AI-generated sessions. Subscribe to unlock unlimited access. SUBSCRIPTION INFORMATION Try 4 free AI-generated sessions before subscribing Subscribe to unlock unlimited access with a 2-week free trial After the free trial, $19.99/month Payment will be charged to your Apple ID account at the end of the free trial period Subscription automatically renews unless canceled at least 24 hours before the end of the current period You can manage and cancel your subscription in your Apple ID account settings Privacy Policy: https://api.ai-trainerpro.com/legal/privacy.html Terms of Use: https://api.ai-trainerpro.com/legal/terms.html
Repstack
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You already have a training program. You just need a better place to put it. Repstack is the fastest way to get your training program off a spreadsheet and into your pocket. Paste your program from any source — AI structures it into a clean, editable plan in seconds. No manual entry. No rebuilding it exercise by exercise. Just paste and go. Built for experienced lifters who follow structured programs and don't need an app telling them what to do. No coaching. No recommendations. No charts. Just your program, organized and ready to use. IMPORT FROM ANYWHERE — INSTANTLY • Paste from Google Sheets, Apple Notes, PDFs, coach emails, or text messages • AI parses any format — spreadsheets, plain text, tables, whatever you have • Preserves your exact exercises, sets, reps, RPE, and notes • Handles complex notation: 3x5 @8, 5/3/1, AMRAP, top sets, backoffs • Your entire program is structured and usable in seconds — not hours EDIT FASTER THAN ANY OTHER APP • Chat with AI: "Add bench press 5x5 at RPE 8" — done • "Superset curls and pushdowns, 3 rounds" — done • "Make all sets AMRAP" — done • Full manual editing too — tap any exercise, set, or note to change it • Supersets, circuits, exercise groups — all seamless STRUCTURED FOR REAL PROGRAMS • Weeks and training days — the way real programs are written • Notes at every level — program, week, day, exercise, set • Mark days and sets complete as you train • Standalone workouts for one-off sessions FAST, CLEAN, INTUITIVE • No clutter, no distractions, no features you'll never use • Opens instantly — your program is right there • Every action is one or two taps • Designed for the gym floor, not the couch PRIVATE BY DEFAULT • All data stored locally on your device by default • Pro subscribers get automatic cloud backup — stored securely, not tied to your name or email • AI features send your text for processing — not stored after use • No accounts, no analytics, no tracking, no social features REPSTACK PRO • Unlimited AI imports and chat edits • Automatic cloud backup to restore across devices • Monthly or yearly subscription Built for powerlifters, bodybuilders, and anyone running a structured program who's tired of squinting at a spreadsheet between sets. Privacy Policy: https://repstack.up.railway.app/privacy Terms of Use: https://repstack.up.railway.app/terms
Screenshots
Verdict
The clearest difference is ads: Repstack at none against AI trAIner PRO's shown. AI trAIner PRO's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support 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. AI trAIner PRO sells 2 in-app purchases, starting at $9.99 per month and Repstack sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
AI trAIner PRO ships an update every 10 days, Repstack every 8 days. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.
| Parameter | AI trAIner PRO | Repstack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 65 MB | 41 MB |
| Age rating | 4+ | 12+ |
| Developer | Graf x Apps LLC | Steven LaGuardia |
In-app purchases
AI trAIner PRO
- trAIner PRO Early Access14 Days trial$9.991 Month
- trAIner PRO Unlimited Monthly14 Days trial$19.991 Month
Repstack
- Repstack Pro (Monthly)$3.991 Month
- Repstack Pro (Yearly)$23.991 Year








