# HydroBuddy vs Water Tracker

The clearest difference is update cadence: Water Tracker at every 9 days against HydroBuddy's every 2 months. HydroBuddy's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HydroBuddy sells 2 in-app purchases, starting at $1.99 per month and Water Tracker sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

HydroBuddy ships an update every 2 months, Water Tracker every 9 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HydroBuddy | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 33 MB | 90 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shubham Jada](https://appshunter.io/developer/1887669015) | [Federico Trevisani](https://appshunter.io/developer/1890300706) |

## What reviewers say

### HydroBuddy

[App page](https://appshunter.io/ios/app/hydrobuddy-ai-water-tracker/id6761210383)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


### 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 |


## Frequently asked questions

### Is HydroBuddy free?

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

### Is Water Tracker free?

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

### Do HydroBuddy or Water Tracker have ads?

Neither HydroBuddy nor Water Tracker shows ads.

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

HydroBuddy ships an update every 2 months, and Water Tracker every 9 days. Most recently, HydroBuddy was updated on November 9, 2026 and Water Tracker on November 5, 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.*