Go Muscu vs RB perform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Go Muscu
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- Chronométrer chaque série avec vibration de rappel - Enregistrer le nombre de Série/Exercice pour chaque séance et dupliquer sur l'Apple Watch - Visualiser en temps réel son rythme cardiaque, ainsi que l'historique directement sur la page principale de l'Apple Watch
RB perform
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RB Perform is your personalized sports coaching, right on your iPhone. Program built by a real coach (not AI), real-time tracking, HD videos for every exercise, custom nutrition, and direct messaging with your coach. ———————————— WHAT'S INSIDE • Your weekly program, session by session Strength, running, mobility, athletics — your complete plan adapted to your sport, level, and goals. • Load, reps and RPE tracker Log each set right when you do it. The app shows your progress week over week. Personal record (PR) detection that pings your coach when you hit a new max. • HD video for every exercise No more guessing on form — tap the exercise to see the demo filmed by your coach. • Smart rest timer Automatic start after each set. Push notification when it's time to go again, even with the app closed. • Built-in 1RM test Type "3RM" in the reps field — the app calculates your estimated 1RM using the Epley formula after your set. • Nutrition + barcode scanner Log meals in 30 seconds. Built-in barcode scanner for packaged foods. Personalized calorie and protein goals based on your sport. • Direct coach messaging Text, voice and photo messages with your coach between sessions. Responses within 24 business hours. • Weekly check-in Progress photos + weight + how you feel. Your coach sees the trend and adapts the program. ———————————— WHO IT'S FOR — Amateur and competitive athletes who want serious follow-up — Lifters, fighters, runners, team sport athletes — Anyone prepping for a competition or a specific physical goal — Body recomposition: structured weight loss, lean bulking, return to sport ———————————— NO COACH YET? The app works hand-in-hand with an RB Perform coach. If you don't have one yet, visit rbperform.app to find the coach who fits you. ———————————— GDPR & PRIVACY Your data stays in Europe (Supabase Frankfurt). No ad tracking. No data sharing with third parties. One-tap account deletion from inside the app (Settings → Account → Delete my account). Privacy policy: https://rbperform.app/legal.html Support: rb.performancee@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: RB perform at none against Go Muscu's 1. RB perform also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, ads 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. Go Muscu sells 1 one-off in-app purchase. RB perform asks for nothing beyond the download.
Go Muscu ships an update every 2 weeks, RB perform every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Go Muscu | RB perform |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxime Haeyaert | Rayan Bonte |
In-app purchases
Go Muscu
- Premium ModeFree
RB perform
No in-app purchases
