# Watimer vs Hydriva

The clearest difference is ads: Hydriva at none against Watimer's shown. Hydriva also leads on update cadence (every 2 weeks vs every 10 months). Watimer's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Watimer sells 2 in-app purchases, starting at $4.99 per month and Hydriva sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Watimer against 5.0 for Hydriva. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Watimer ships an update every 10 months, Hydriva every 2 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Watimer | Hydriva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/watimer-hydration-reminder/id6741464170/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/hydriva-water-tracker/id6800518499/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 26 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Tran Ngoc Trung](https://appshunter.io/developer/6800518501) |

## What reviewers say

### Watimer

[App page](https://appshunter.io/ios/app/watimer-hydration-reminder/id6741464170)

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.

**Highlights:** Timely hydration reminders, Easy water intake logging, Hydration goal management, Health benefit tracking, Habit formation support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### Hydriva

[App page](https://appshunter.io/ios/app/hydriva-water-tracker/id6800518499)

Effortlessly track your daily water intake with smart goals and gentle reminders. Log various beverages with a single tap and visualize your progress with motivating achievements and insights. Your hydration data remains private and on your device.

**Highlights:** Smart daily hydration goals, One-tap logging for 18+ beverages, Customizable gentle reminders, Visual progress tracking with a filling water drop, Daily streaks and achievement badges, Privacy-focused with no account required

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sip Pro – Monthly | $2.99 | per month |
| Sip Pro – Yearly | $19.99 | per year |
| Sip Pro – Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Watimer free?

Watimer is free to download, with in-app purchases available.

### Is Hydriva free?

Hydriva is free to download, with in-app purchases available.

### Which has better reviews, Watimer or Hydriva?

Watimer and Hydriva are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Watimer or Hydriva have ads?

Watimer shows ads; Hydriva does not.

### Which is updated more often, Watimer or Hydriva?

Watimer ships an update every 10 months, and Hydriva every 2 weeks. Most recently, Watimer was updated on October 24, 2026 and Hydriva on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*