# Water Reminder vs Hydration tracker2

The clearest difference is update cadence: Hydration tracker2 at every 2 days against Water Reminder's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Water Reminder sells 3 in-app purchases, starting at $4.99 per month and Hydration tracker2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Water Reminder ships an update monthly, Hydration tracker2 every 2 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Water Reminder | Hydration tracker2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 16 MB | 66 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Boran PARMAKSIZ](https://appshunter.io/developer/1889084302) | [Paul Matthew](https://appshunter.io/developer/6782300193) |

## What reviewers say

### Water Reminder

[App page](https://appshunter.io/ios/app/water-reminder-tracker-coach/id6771927756)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Aylık | $4.99 | per month |
| Premium Yıllık | $29.99 | per year |
| Premium Ömür Boyu | $69.99 | one-time |


### Hydration tracker2

[App page](https://appshunter.io/ios/app/hydration-tracker2/id6782300191)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydration Pro | $0.99 | one-time |


## Frequently asked questions

### Is Water Reminder free?

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

### Is Hydration tracker2 free?

Hydration tracker2 is free to download, with in-app purchases available.

### Do Water Reminder or Hydration tracker2 have ads?

Neither Water Reminder nor Hydration tracker2 shows ads.

### Which is updated more often, Water Reminder or Hydration tracker2?

Water Reminder ships an update monthly, and Hydration tracker2 every 2 days. Most recently, Water Reminder was updated on October 6, 2026 and Hydration tracker2 on October 11, 2026.

---

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