# HydraFlow vs Water Tracker

The clearest difference is in-app purchases: HydraFlow at none against Water Tracker's 3. Water Tracker's advantage is ads (none vs shown) and update cadence (weekly vs every 3 months). On price, 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 7 days. HydraFlow asks for nothing beyond the download.

HydraFlow ships an update every 3 months, Water Tracker weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HydraFlow | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Size | 5 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SADIK SAZDAGI](https://appshunter.io/developer/1883520486) | [Chengdu Times Leap Technology Co., Ltd.](https://appshunter.io/developer/1888346280) |

## What reviewers say

### HydraFlow

[App page](https://appshunter.io/ios/app/hydraflow-water-tracker/id6760320407)

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

**In-app purchases:** none


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-drink-log/id6761607586)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Tracker Premium Weekly | $1.99 | per 7 days |
| Water Tracker Premium Monthly | $4.99 | per month |
| Water Tracker Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is HydraFlow free?

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

### Is Water Tracker free?

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

### Do HydraFlow or Water Tracker have ads?

HydraFlow shows ads; Water Tracker does not.

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

HydraFlow ships an update every 3 months, and Water Tracker weekly. Most recently, HydraFlow was updated on October 24, 2026 and Water Tracker on October 25, 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.*