Watimer vs Hydrelle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watimer
This app helps you maintain a healthy lifestyle by providing timely reminders to drink water. Easily log your intake and manage hydration goals to improve concentration, reduce fatigue, and boost metabolism. Make tracking your daily water consumption a simple habit.
- Timely hydration reminders
- Easy water intake logging
- Hydration goal management
- Health benefit tracking
- Habit formation support
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Hydration Reminder is an app designed to support a healthy lifestyle. For those who often forget to drink water, it provides timely reminders throughout the day. Easily log your water intake and manage your hydration goals to maintain good health. Proper hydration helps improve concentration, reduce fatigue, and boost metabolism. With this app, tracking daily water intake becomes effortless and can turn into a habit. Use this app to stay healthy and hydrated every day.
Hydrelle
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You meant to drink more water today. It's 8 PM. Hydrelle is the simplest possible water tracker. One tap. No account. No complexity. 【What It Does】 • One-tap water logging • Drink reminders at the interval and hours you choose • Daily hydration goal tracking • Simple progress visualization • Completely offline — no account required "Do I need to pay?" — Core tracking is free to use (with ads). An optional Premium subscription (7-day free trial) removes ads and unlocks full features. Privacy Policy: https://aqua-log-prod.web.app/privacy.html Terms of Use: https://aqua-log-prod.web.app/terms.html
Screenshots
Verdict
The clearest difference is update cadence: Hydrelle at every 3 weeks against Watimer's every 10 months. On price, ads, in-app purchases and device support 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. Watimer sells 2 in-app purchases, starting at $4.99 per month and Hydrelle sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Watimer ships an update every 10 months, Hydrelle every 3 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | Watimer | Hydrelle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | kota tada | Tomohito Kii |
In-app purchases
Watimer
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$49.991 Year
Hydrelle
- Monthly Premium7 Days trial$2.991 Month
- Annual Premium7 Days trial$14.991 Year
- Lifetime Premium$29.99
