# Water Tracker vs Loop

The clearest difference is in-app purchases: Loop at none against Water Tracker's 3. Loop also leads on update cadence (daily vs every 9 days) and iOS requirement (17.0 vs 26.0). Water Tracker's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $2.99 per month. Loop asks for nothing beyond the download.

Water Tracker ships an update every 9 days, Loop daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Tracker | Loop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 90 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Federico Trevisani](https://appshunter.io/developer/1890300706) | [Dimitry van den Berg](https://appshunter.io/developer/6805198669) |

## What reviewers say

### Water Tracker

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

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IdroFlow Plus | $2.99 | per month |
| IdroFlow Plus (Annual) | $14.99 | per year |
| IdroFlow Plus (Lifetime) | $29.99 | one-time |


### Loop

[App page](https://appshunter.io/ios/app/loop-run-ride-and-weather/id6809856884)

**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 Loop free?

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

### Do Water Tracker or Loop have ads?

Neither Water Tracker nor Loop shows ads.

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

Water Tracker ships an update every 9 days, and Loop daily. Most recently, Water Tracker was updated on November 5, 2026 and Loop 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.*