Koi Shape vs StepMage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
StepMage
Transform your daily steps and workouts into magical spells and mana within a wizarding academy. Use your Apple Watch to explore, meditate, train, and brew potions, all while battling dark forces with motion-controlled casting.
- Convert steps into in-game energy
- Mindfulness exercises for mental defense
- Burn calories for magical potency
- Sleep quality restores magical energy
- Motion-controlled spell casting
- Random encounters and exploration
- Standalone Apple Watch app
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Wear your Apple Watch. Welcome to the Academy. Tired of boring daily workouts? Do your step counts feel completely meaningless? In StepMage: Magic Academy, you are no longer just an ordinary muggle struggling to close fitness rings—you are a Wizard Apprentice who just received their acceptance letter! We transform every heartbeat, every step you take, and every minute of your sleep into tangible, powerful Mana in the wizarding world. Your real-life health data is now your ultimate weapon against the Dark Arts. 【CORE GAMEPLAY】 Real Life is Your Magical Cultivation Castle Patrol (Steps): Every step you take explores the hidden corners of the magical castle. Your steps automatically convert into "Energy," allowing you to freely explore the magical realm. Occlumency (Mindfulness): Use your Apple Watch to practice mindfulness meditation. Boost your mental resistance and defend your mind against the corruption of dark magic. Broomstick Training (Calories): Every kilocalorie burned physically strengthens your magical potency. Potion Brewing (Sleep): Quality sleep acts like a perfectly fermented potion, restoring massive amounts of magical energy overnight. Motion-Sensed Casting: Immersive Duels Powered by the Apple Watch gyroscope, you don't even need to tap the screen—just raise your wrist and flick! Encountered a Grumpy Mushroom Monster? Flick your wrist to cast a "Knockback Jinx"! Every wave of your arm is accompanied by real haptic feedback and immersive sound effects, turning your Apple Watch into a true magic wand. Random Encounter System You never know what your next "Exploration" will bring. Will you run into a Death Eater during Defense Against the Dark Arts class? Or will you find a Chocolate Frog and a vial of Liquid Luck in a weekend gift box at Hogsmeade? 【SPECIAL FEATURES】 Standalone Watch App: No iPhone connection required! The watch independently records your battles and health data. Health Data Sync: Reads your Apple Health data. (If data shows as 0, please manually enable reading permissions in Settings > Health > Privacy > FitMage). All data is stored purely locally. Note: Deleting the app from your Apple Watch will result in data loss, as we respect your privacy and do not store health data on external servers. 【TO THE FUTURE ARCHMAGE】 Don't let your magical talent rust away on the sofa. Put on your running shoes and snap on your Apple Watch—it is your Invisibility Cloak and your Wand. The Dark Lord is awakening, and the wizarding world needs you. Start your magical academic year!
Screenshots
Verdict
The clearest difference is in-app purchases: Koi Shape at none against StepMage's 1. Koi Shape also leads on iOS requirement (15.1 vs 17.0). StepMage'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. StepMage sells 1 one-off in-app purchase. Koi Shape asks for nothing beyond the download.
Koi Shape ships an update monthly, StepMage every 3 weeks. The most recent releases landed on July 27, 2026 and August 12, 2026 respectively.
| Parameter | Koi Shape | StepMage |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 154 MB |
| Age rating | 4+ | 4+ |
| Developer | QUY DIEN LE | 深圳十米网络科技有限公司 |
In-app purchases
Koi Shape
No in-app purchases
StepMage
- One-Time Full Unlock$3.99









