# C vs Water Reminder

The clearest difference is in-app purchases: C at none against Water Reminder's 3. C also leads on ads (none vs shown) and iOS requirement (9.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Water Reminder sells 3 in-app purchases, starting at $5.99 per month. C asks for nothing beyond the download.

C ships an update monthly, Water Reminder every 3 weeks. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | C | Water Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (10 ratings)](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 180 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Optio Publishing](https://appshunter.io/developer/894143548) | [Cemal Hekimoglu](https://appshunter.io/developer/1853521537) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-care/id1373322196)

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Reminder

[App page](https://appshunter.io/ios/app/water-reminder-dropwise/id6757279532)

This app helps you build a personalized hydration routine by tracking water and other drinks. It offers smart goals adjusted for weather, flexible reminders, and progress insights. Log various beverages, sync with Apple Health, and stay motivated with streaks and rewards.

**Highlights:** Personalized daily hydration targets, Weather-based goal adjustments, Log over 40 types of drinks, Apple Watch integration, Customizable reminders, Home and Lock Screen widgets, Hydration challenges and rewards

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $5.99 | per month |
| Annual Premium | $9.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is C free?

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

### Is Water Reminder free?

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

### Do C or Water Reminder have ads?

Water Reminder shows ads; C does not.

### Which is updated more often, C or Water Reminder?

C ships an update monthly, and Water Reminder every 3 weeks. Most recently, C was updated on November 11, 2026 and Water Reminder on November 9, 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.*