Koi Shape vs FitFlow
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.
FitFlow
This app provides hands-free, voice-guided workout timing for cardio and strength training. Focus on your form with clear audio cues, countdowns, and smooth transitions, keeping your phone out of your hand. Customize your workout structure and audio settings to match your training style.
- Voice-guided workout flow
- Hands-free operation
- Cardio and strength support
- Customizable audio and timing
- Quick start feature
- Live Activities support
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FitFlow is your voice-guided workout timer built to keep you focused on performance, not screen time. Train hands-free with clear exercise cues, smart countdowns, and smooth transitions for both cardio and strength workouts. WHY FITFLOW FOCUS ON FORM, NOT YOUR PHONE No more staring at timers mid-workout. FitFlow guides your session with voice announcements so you can stay locked in. VOICE-GUIDED WORKOUT FLOW - Exercise name announcements - Countdown cues before transitions - “Get Ready” phases between exercises - Configurable audio and voice behavior CARDIO + STRENGTH SUPPORT FitFlow adapts to your training style: - Cardio intervals and timed routines - Strength workouts with sets and rest structure - Fast, reliable workout progression WORKS WHEN YOUR PHONE ISN’T IN YOUR HAND Keep your session going while using your phone normally, with support for Live Activities and quick glance progress. QUICK START, YOUR WAY Pin your preferred workout as Quick Start and launch your favorite routine faster. CUSTOMIZABLE EXPERIENCE Adjust workout structure, rest, timing, and audio settings to match how you train. FREE TO START, PRO WHEN YOU’RE READY Use FitFlow for free and upgrade to Pro to unlock unlimited workouts plus advanced convenience features like Home Screen widgets and expanded workout access. Perfect for home workouts, gym sessions, HIIT, strength training, and any routine where timing matters. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Koi Shape at none against FitFlow's 3. Koi Shape also leads on update cadence (monthly vs every 3 months) and device support (3 vs 1). FitFlow's advantage is ads (none vs shown). On price 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. FitFlow sells 3 in-app purchases, starting at $1.49 per month. Koi Shape asks for nothing beyond the download.
Koi Shape ships an update monthly, FitFlow every 3 months. The most recent releases landed on July 27, 2026 and September 22, 2026 respectively.
| Parameter | Koi Shape | FitFlow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 26 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | QUY DIEN LE | Avi Shany |
In-app purchases
Koi Shape
No in-app purchases
FitFlow
- FitFlow Pro Monthly$1.491 Month
- FitFlow Pro Yearly7 Days trial$12.991 Year
- FitFlow Pro Lifetime$34.99









