# Hydrate vs Water Tracker Daily Reminder

The clearest difference is update cadence: Hydrate at every 6 days against Water Tracker Daily Reminder's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hydrate sells 3 in-app purchases, starting at $3.99 per month and Water Tracker Daily Reminder sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Hydrate ships an update every 6 days, Water Tracker Daily Reminder every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Hydrate | Water Tracker Daily Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Size | 22 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ALEXANDER DAVID GRUINARD MACKENZIE](https://appshunter.io/developer/1886580061) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Hydrate

[App page](https://appshunter.io/ios/app/hydrate-electrolyte-tracker/id6760869789)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydrate Pro — Monthly | $3.99 | per month |
| Hydrate Pro — Annual | $24.99 | per year |
| Lifetime Pro | $34.99 | one-time |


### Water Tracker Daily Reminder

[App page](https://appshunter.io/ios/app/water-tracker-daily-reminder/id6772182818)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is Hydrate free?

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

### Is Water Tracker Daily Reminder free?

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

### Do Hydrate or Water Tracker Daily Reminder have ads?

Neither Hydrate nor Water Tracker Daily Reminder shows ads.

### Which is updated more often, Hydrate or Water Tracker Daily Reminder?

Hydrate ships an update every 6 days, and Water Tracker Daily Reminder every 6 weeks. Most recently, Hydrate was updated on October 31, 2026 and Water Tracker Daily Reminder on October 31, 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.*