ReHydration vs DrinkDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReHydration
This application helps you build a consistent water drinking habit. It sends reminders, tracks your daily intake, and calculates personalized hydration goals based on your body weight, age, and lifestyle. Monitor your progress with historical data and share your achievements with friends.
- Personalized hydration goals
- Daily reminders and alerts
- Water intake logging
- Intake history and graph view
- Customizable notification frequency
- Share daily intake with friends
Read full descriptionHide full description
ReHydration, name itself says to hydrate repeatedly. ReHydration is a water drink tracker and reminder app to create the water drink habit.It Sends daily reminders and alerts to motivates you to drink water and keeps a log of your daily water intake. Here we set water intake target using standard algorithm of water intake bases on your body weight, age and lifestyle. Revs up metabolism and helps you feel full. Why ReHydration : Easy Google+ or Facebook login. Beautifully Designed Attractive Home Screen / UI Appropriate Animation On time Notification No Internet Required for Intake process Set your own Notification frequency Standard Water Container Add your own water glass for daily water intake Available Standard Unit choices Show Intake history with Amazing Graph view Track your historical consumption during the day, week and month Not Disturb you while sleeping Share your Daily intake with your friends App that don't share your basic data with other fitness app. Benefit of Daily Water Intake : R : Repeatedly Hydrate E : Energise yourself H : Health Priority First Y : Young Every time D : Dehydration at its Bottom R : Recuperation at its Top A : Antidote that Protects you T : Treatment for Every Disease I : Immunity Level at its Best O : Oxidation meets Hydration N : No-Side Effects :) There are lots of Benefits of drinking water : weight control , nourish your skin, hair strength, organs function, energy level and many others. Helps you to have a good water balance on your body using notification and a tracker of how much you should drink water. Along with fibre, water is essential for good digestion. The rate of painful kidney stones is rising because people including children aren't drinking enough water. Drink Water, Stay Slim, Stay Feet.
DrinkDay
Easily monitor your water intake and receive helpful reminders to stay hydrated. Visualize your daily progress and identify areas for improvement to achieve your health goals.
- Hydration tracking
- Drinking goal setting
- Customizable reminders
- Daily progress visualization
- Improvement insights
Read full descriptionHide full description
DrinkDay is an easy and engaging way to track your hydration and reach your drinking goal. Say goodbye to dehydration and hello to a healthier you. Get optional encouraging drinking reminders! You can also view your daily progress to see how you're doing and where you can improve.
Screenshots
Verdict
The clearest difference is update cadence: DrinkDay at every 5 days against ReHydration's every 5 months. ReHydration's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
ReHydration ships an update every 5 months, DrinkDay every 5 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | ReHydration | DrinkDay |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 63 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Hardik Shah | Tigerfish Productions LLC |
Customer experience
ReHydration
DrinkDay
In-app purchases
ReHydration
No in-app purchases
DrinkDay
No in-app purchases









