Comparison

Koi Shape vs H2O Reminder Pro

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

Head to head
About

Koi Shape

Features
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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 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.

About

H2O Reminder Pro

Features
Read full description

Stay hydrated with H2O Reminder Pro - the most beautiful and intuitive water tracking app for iOS. Transform your hydration habits with our elegant water bottle animation that fills up as you drink throughout the day. Simply tap to log your water intake and watch your progress come to life with stunning wave animations and satisfying sound effects. Key Features: β€’ Beautiful animated water bottle with realistic wave effects β€’ Quick water logging with just one tap β€’ Customizable daily goals (1.5L to 3L) β€’ Smart reminders at optimal times (morning, afternoon, evening) β€’ 7-day history to track your hydration patterns β€’ Interactive home screen widgets for instant logging β€’ Supports 8 languages β€’ Light, dark, and system theme options β€’ Haptic feedback and water drop sounds β€’ No account required - works offline β€’ Privacy-focused - all data stays on your device

Screenshots

Koi Shape4 screens
H2O Reminder Pro4 screens

Verdict

The call

The clearest difference is ads: H2O Reminder Pro at none against Koi Shape's shown. Koi Shape's advantage is update cadence (monthly vs every 9 months) and iOS requirement (15.1 vs 18.4). On price, in-app purchases and device support 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

Koi Shape ships an update monthly, H2O Reminder Pro every 9 months. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

Scorecard3 real differences Β· 3 level
Koi Shape versus H2O Reminder Pro: the parameters behind the verdict, then further details
ParameterKoi ShapeH2O Reminder Pro
PriceFreeFree
Update frequencyMonthly β€” betterEvery 9 months
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better18.4
Further details β€” not scored
Size26 MB4 MB
Age rating4++4
DeveloperQUY DIEN LEGrzegorz Rakoca

In-app purchases

None

Koi Shape

No in-app purchases

None

H2O Reminder Pro

No in-app purchases

Questions

Is Koi Shape free?
Koi Shape is free to download, with no in-app purchases.
Is H2O Reminder Pro free?
H2O Reminder Pro is free to download, with no in-app purchases.
Do Koi Shape or H2O Reminder Pro have ads?
Koi Shape shows ads; H2O Reminder Pro does not.
Which is updated more often, Koi Shape or H2O Reminder Pro?
Koi Shape ships an update monthly, and H2O Reminder Pro every 9 months. Most recently, Koi Shape was updated on October 6, 2026 and H2O Reminder Pro on October 18, 2026.

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