Best apps like O.R.S Hydration Calculator - Japan

8+ similar apps compared and reviewed

3.9 avg rating
8 free apps
Updated August 2026

Looking for something like O.R.S Hydration Calculator? We've analyzed 8+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

simply. nutrition tips

simply. nutrition tips by simply advisory LLC

that help you get healthy.
💪 Health & Fitness
5.0(17 ratings)
FreeIn-App Purchases
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Get daily nutrition tips from certified nutritionists with a subscription to this app, and start your journey to a healthier lifestyle. With features like customizable notifications, saved tips, and a tip tracker, you can easily incorporate healthy habits into your daily life.

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Top Alternatives to O.R.S Hydration Calculator

BARBALAN#2

BARBALAN by Junho Hong

Strong Contender
💪 Health & Fitness
1.0(2 ratings)
Free
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This app provides real-time feedback and coaching during exercises by detecting imbalances with high accuracy. It helps estimate your 1 repetition maximum and measures velocity for advanced training. Improve your form, prevent injuries, and train more effectively with your personal 24/7 training companion.

More apps like O.R.S Hydration Calculator

4
Waiton: Workout Log & Tracker
Waiton: Workout Log & Tracker
Waiton: Workout Log & Tracker
Build a fitness habit with AI
Free

This app gamifies your fitness journey by letting you log workouts to earn XP and level up a character. It features AI-powered auto-counting for exercises like push-ups and squats, along with detailed progress reports and daily reminders to keep you motivated.

RPG character progression systemAI auto-count for exercisesSupported exercises: push-ups, squats, sit-ups, pull-ups, custom
💪 Health & Fitness
(0)
free with in-app purchases
5
Atleta(管理者・スタッフ・指導者用)
Atleta(管理者・スタッフ・指導者用)
Atleta(管理者・スタッフ・指導者用)
by CLIMB FACTORY CORP.
Free

This app helps coaches and staff manage athletes by tracking daily conditions, lifestyle habits, and training. It streamlines communication and administrative tasks, visualizing athlete status for optimized guidance and training plans. Features include dietary tracking with automatic calorie and nutrition calculation, and menstrual cycle prediction through integration with 'Lunarena'.

Athlete condition and lifestyle trackingTraining and practice loggingCommunication and administrative task management
💪 Health & Fitness
(0)
ad-supported
6
Interval Exercise Timer ™
Interval Exercise Timer ™
Interval Exercise Timer ™
Exercise interval app
Free

Optimize your exercise routines with a customizable interval timer. Set precise 'Prepare,' 'Work,' and 'Rest' durations, and manage multiple sets and rounds for efficient workouts. Save your custom settings for easy access to consistent training.

Customizable Prepare, Work, and Rest timersMulti-round and set optionsReal-time progress tracking
💪 Health & Fitness
(20)
free with in-app purchases
7
Period Tracker: Her Calendar
Period Tracker: Her Calendar
Period Tracker: Her Calendar
Ovulation & Cycle Tracker
Free

This app helps women track their menstrual cycles, ovulation, and fertile windows. It offers accurate predictions and daily logging for moods and symptoms, all while prioritizing user privacy with local data storage and security features.

Period and fertility predictionDaily mood and symptom loggingPrivacy-focused local data storage
💪 Health & Fitness
(61)
freemium
8
Simple Hydration Tracker
Simple Hydration Tracker
Simple Hydration Tracker
Track your daily hydration.
Free

Easily log your daily water intake by selecting beverages, amounts, and times. Review your hydration habits with weekly and monthly charts. Add past entries and customize drink options for a stress-free experience.

Easy drink loggingAdd past entriesWeekly/monthly analysis charts
💪 Health & Fitness
(1)
free with in-app purchases