# Water Tracker vs EatFlow

The clearest difference is update cadence: EatFlow at daily against Water Tracker's every 9 days. EatFlow also leads on iOS requirement (18.0 vs 26.0). Water Tracker's advantage is device support (4 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $2.99 per month and EatFlow sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Water Tracker ships an update every 9 days, EatFlow daily. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Water Tracker | EatFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Size | 90 MB | 19 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Federico Trevisani](https://appshunter.io/developer/1890300706) | [Ahmed Shahin](https://appshunter.io/developer/6772184557) |

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


### EatFlow

[App page](https://appshunter.io/ios/app/eatflow-calorie-tracker/id6772184555)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EatFlow Premium Monthly | $4.99 | per month |
| EatFlow Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Water Tracker free?

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

### Is EatFlow free?

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

### Do Water Tracker or EatFlow have ads?

Neither Water Tracker nor EatFlow shows ads.

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

Water Tracker ships an update every 9 days, and EatFlow daily. Most recently, Water Tracker was updated on October 24, 2026 and EatFlow on October 19, 2026.

---

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