# HydraFlow vs Water Tracker & Reminder App

The clearest difference is in-app purchases: HydraFlow at none against Water Tracker & Reminder App's 2. Water Tracker & Reminder App's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Water Tracker & Reminder App sells 2 in-app purchases, starting at $2.99 per month. HydraFlow asks for nothing beyond the download.

HydraFlow ships an update every 3 months, Water Tracker & Reminder App every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HydraFlow | Water Tracker & Reminder App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 5 MB | 30 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [SADIK SAZDAGI](https://appshunter.io/developer/1883520486) | [Maksym Zaivyi](https://appshunter.io/developer/1809719085) |

## 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 & Reminder App

[App page](https://appshunter.io/ios/app/water-tracker-and-reminder-app/id6760648161)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium per month | $2.99 | per month |
| Premium for a year | $19.99 | per year |


## Frequently asked questions

### Is HydraFlow free?

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

### Is Water Tracker & Reminder App free?

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

### Do HydraFlow or Water Tracker & Reminder App have ads?

HydraFlow shows ads; Water Tracker & Reminder App does not.

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

HydraFlow ships an update every 3 months, and Water Tracker & Reminder App every 3 weeks. Most recently, HydraFlow was updated on October 28, 2026 and Water Tracker & Reminder App on October 31, 2026.

---

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