Go Muscu vs Koi Shape
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
Koi Shape
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KoiShape – Your Journey to an Ideal Body Starts Here Find your balance. Build your strength. Own your body. Looking for a smart, motivating, and personalized way to take charge of your fitness and health? KoiShape is more than a fitness app — it’s your trusted partner on the journey toward a balanced, confident, and healthier you. What is BMI and Why It Matters? BMI (Body Mass Index) is a globally recognized indicator of body fat based on height and weight. It helps you understand whether you are underweight, at a healthy weight, overweight, or obese. But KoiShape takes BMI one step further — it doesn’t just tell you the number, it shows you how to improve it. Whether your goal is to slim down, tone up, or simply stay healthy — knowing your BMI is the first step toward real, measurable progress. Key Features Accurate & Scientific BMI Analysis Just enter your height, weight, age, and gender, and KoiShape instantly calculates your BMI. More than a number — the app gives you clear health insights and shows your ideal BMI target, based on WHO (World Health Organization) standards. Smart Goal Setting & Personalized Training Plan KoiShape creates a custom roadmap just for you — with realistic fitness goals and personalized workouts to match your current shape and future goals. Whether you're looking to burn fat, gain lean muscle, or just maintain your ideal figure, KoiShape adapts to your body and your lifestyle. Visual Progress Tracking Track important body metrics like weight, waistline, body fat %, and more through simple, intuitive charts. See your progress day by day — and get the motivation you need to keep moving forward. Daily Reminders & Motivation Boosts Get gentle nudges, inspiring quotes, and expert health tips to help you stay committed. KoiShape is not just a fitness tracker — it's your daily dose of self-discipline and encouragement. Elegant, Easy-to-Use Interface Designed to feel calm, clean, and uplifting, KoiShape helps you stay focused on what matters: your personal transformation. Why Choose KoiShape? Smart insights based on real science Tailored plans for your unique body Minimalist design for maximum clarity Built-in motivation to stay consistent For everyone – from beginners to fitness lovers Start your transformation today. Your body is not a problem to fix — it’s a journey to honor. With KoiShape, every step is progress. Small changes lead to big results. Let’s begin.
Screenshots
Verdict
The clearest difference is in-app purchases: Koi Shape at none against Go Muscu's 1. Koi Shape also leads on iOS requirement (15.1 vs 17.0). Go Muscu's advantage is ads (none vs shown). On price, update cadence 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. Koi Shape asks for nothing beyond the download.
Go Muscu ships an update every 2 weeks, Koi Shape monthly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | Go Muscu | Koi Shape |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxime Haeyaert | QUY DIEN LE |
In-app purchases
Go Muscu
- Premium ModeFree
Koi Shape
No in-app purchases






