Comparison

BellyDanceCore by Mariam vs Koi Shape

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

BellyDanceCore by Mariam

Features
Read full description

β€œI believe that the best version of ourselves is not in the past. Therefore, I thrive on helping women find confidence and strength within themselves through movement to be the best version of themselves right now.”- Mariam What can you expect from my classes? Great music Lots of energy Accessible options Core-focused workouts Mindful and detailed cues A deeper awareness of your breath Freedom to be exactly who you are A better understanding of how to approach movement A community of women that are strong and supportive * Classes range from 20 minutes to 60 minutes long. Belly Dance, Zumba, and Cardio Dance use minimal props, while Barre, Yoga, Sculpt, Prenatal/Postnatal, and Pilates use props such as a mat, bolster, blocks, pilates ball, booty band, and/or light weights. Whatever your skill level, energy level, or mood, a workout is available for you. I cannot wait to move with you!

About

Koi Shape

Features
Read full description

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 β€” 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 β€” 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 β€” 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 β€” 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 β€” 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 β€” 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 β€” 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 β€” it’s a journey to honor. With KoiShape, every step is progress. Small changes lead to big results. Let’s begin.

Screenshots

BellyDanceCore by Mariam4 screens
Koi Shape4 screens

Verdict

The call

The clearest difference is ads: BellyDanceCore by Mariam at none against Koi Shape's shown. Koi Shape's advantage is update cadence (monthly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BellyDanceCore by Mariam ships an update every 4 months, Koi Shape monthly. The most recent releases landed on September 15, 2026 and July 27, 2026 respectively.

Scorecard2 real differences Β· 4 level
BellyDanceCore by Mariam versus Koi Shape: the parameters behind the verdict, then further details
ParameterBellyDanceCore by MariamKoi Shape
PriceFreeFree
Update frequencyEvery 4 monthsMonthly β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.415.1 β€” better
Further details β€” not scored
Size121 MB26 MB
Age rating12+4+
DeveloperSutra Fitness, Inc.QUY DIEN LE

In-app purchases

None

BellyDanceCore by Mariam

No in-app purchases

None

Koi Shape

No in-app purchases

Questions

Is BellyDanceCore by Mariam free?
BellyDanceCore by Mariam is free to download, with no in-app purchases.
Is Koi Shape free?
Koi Shape is free to download, with no in-app purchases.
Do BellyDanceCore by Mariam or Koi Shape have ads?
Koi Shape shows ads; BellyDanceCore by Mariam does not.
Which is updated more often, BellyDanceCore by Mariam or Koi Shape?
BellyDanceCore by Mariam ships an update every 4 months, and Koi Shape monthly. Most recently, BellyDanceCore by Mariam was updated on September 15, 2026 and Koi Shape on July 27, 2026.

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