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

The clearest difference is ads: AQUALIEN at none against Water Reminder+ | 水分補給サポーター's shown. AQUALIEN also leads on update cadence (daily vs every 14 months). Water Reminder+ | 水分補給サポーター's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases 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 AQUALIEN sells 1 in-app purchase, starting at $1.99 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, AQUALIEN daily. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Water Reminder+ | 水分補給サポーター | AQUALIEN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Daily** |
| Size | 57 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Warashibe Tech LLC](https://appshunter.io/developer/1567747524) | [Shinka inc.](https://appshunter.io/developer/1832662684) |

## 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 |


### AQUALIEN

[App page](https://appshunter.io/ios/app/aqualien-2l/id6763815511)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AQUALIENプレミアム月額 | $1.99 | per month |


## 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 AQUALIEN free?

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

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

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

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

Water Reminder+ | 水分補給サポーター ships an update every 14 months, and AQUALIEN daily. Most recently, Water Reminder+ | 水分補給サポーター was updated on October 10, 2026 and AQUALIEN on October 25, 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.*