# Water Reminder+ | 水分補給サポーター vs Hydriva

The clearest difference is ads: Hydriva at none against Water Reminder+ | 水分補給サポーター's shown. Hydriva also leads on update cadence (every 2 weeks vs every 14 months). Water Reminder+ | 水分補給サポーター's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Water Reminder+ | 水分補給サポーター sells 3 in-app purchases, starting at $2.99 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.

Water Reminder+ | 水分補給サポーター ships an update every 14 months, Hydriva every 2 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Water Reminder+ | 水分補給サポーター | Hydriva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydriva-water-tracker/id6800518499/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 57 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Warashibe Tech LLC](https://appshunter.io/developer/1567747524) | [Tran Ngoc Trung](https://appshunter.io/developer/6800518501) |

## What reviewers say

### Water Reminder+ | 水分補給サポーター

[App page](https://appshunter.io/ios/app/water-reminder-plus/id6742900151)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime (One-Time Purchase) | $34.99 | one-time |


### 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 Water Reminder+ | 水分補給サポーター free?

Water Reminder+ | 水分補給サポーター is free to download, with in-app purchases available.

### Is Hydriva free?

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

### Do Water Reminder+ | 水分補給サポーター or Hydriva have ads?

Water Reminder+ | 水分補給サポーター shows ads; Hydriva does not.

### Which is updated more often, Water Reminder+ | 水分補給サポーター or Hydriva?

Water Reminder+ | 水分補給サポーター ships an update every 14 months, and Hydriva every 2 weeks. Most recently, Water Reminder+ | 水分補給サポーター was updated on October 10, 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.*