# Water Tracker vs Drinky

The clearest difference is in-app purchases: Drinky at none against Water Tracker's 3. Drinky also leads on update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $1.99 per month. Drinky asks for nothing beyond the download.

Water Tracker ships an update every 9 days, Drinky every 4 days. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Water Tracker | Drinky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 90 MB | 12 MB |
| Requires iOS | **26.0** | 26.5 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Federico Trevisani](https://appshunter.io/developer/1890300706) | [Charly Schulte](https://appshunter.io/developer/1364661802) |

## What reviewers say

### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-idroflow/id6763654290)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IdroFlow Plus | $1.99 | per month |
| IdroFlow Plus (Annual) | $7.99 | per year |
| IdroFlow Plus (Lifetime) | $19.99 | one-time |


### Drinky

[App page](https://appshunter.io/ios/app/drinky-hydration-tracker/id6788124633)

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Tracker free?

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

### Is Drinky free?

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

### Do Water Tracker or Drinky have ads?

Neither Water Tracker nor Drinky shows ads.

### Which is updated more often, Water Tracker or Drinky?

Water Tracker ships an update every 9 days, and Drinky every 4 days. Most recently, Water Tracker was updated on October 19, 2026 and Drinky on October 4, 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.*