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

The clearest difference is in-app purchases: CheckType at none against Water Reminder+ | 水分補給サポーター's 3. CheckType also leads on ads (none vs shown) and update cadence (every 5 months vs every 14 months). On price 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. CheckType asks for nothing beyond the download.

CheckType ships an update every 5 months, Water Reminder+ | 水分補給サポーター every 14 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CheckType | Water Reminder+ | 水分補給サポーター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 14 months |
| Size | 16 MB | 57 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [NSD CO., LTD.](https://appshunter.io/developer/450097388) | [Warashibe Tech LLC](https://appshunter.io/developer/1567747524) |

## What reviewers say

### CheckType

[App page](https://appshunter.io/ios/app/checktype/id890795544)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CheckType free?

CheckType is free to download, with no in-app purchases.

### 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.

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

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

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

CheckType ships an update every 5 months, and Water Reminder+ | 水分補給サポーター every 14 months. Most recently, CheckType was updated on October 26, 2026 and Water Reminder+ | 水分補給サポーター on October 10, 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.*