# Hydro Buddy vs Sponge Hydration

The clearest difference is price: Sponge Hydration at Free against Hydro Buddy's $0.99. Sponge Hydration also leads on rating (5.0 vs 3.4) and iOS requirement (16.0 vs 18.6). Hydro Buddy's advantage is chart position (#193 vs unranked). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Sponge Hydration is free to download; Hydro Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sponge Hydration holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 8 respectively.

Hydro Buddy ships an update every 2 months, Sponge Hydration every 5 weeks. The most recent releases landed on September 9, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Hydro Buddy | Sponge Hydration |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/hydro-buddy/id1532655368/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/sponge-hydration/id6566195232/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#193** | — |
| Size | 1 MB | 12 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Kronovi Corporation](https://appshunter.io/developer/1155745190) | [Christopher Eugene Miglio](https://appshunter.io/developer/1758759475) |

## What reviewers say

### Hydro Buddy

[App page](https://appshunter.io/ios/app/hydro-buddy/id1532655368)

**Currently charting:** #193 Top Paid · Health & Fitness (US App Store)

This app offers a straightforward way to monitor your daily water intake directly from your Apple Watch or iPhone. It prioritizes user privacy by not collecting sensitive health data, ensuring your information stays secure and under your control.

**Highlights:** Water intake tracking, Apple Watch integration, iPhone app, Privacy-focused, No health data collection

**In-app purchases:** none


### Sponge Hydration

[App page](https://appshunter.io/ios/app/sponge-hydration/id6566195232)

Easily track your daily water intake with this intuitive tool. Sync your progress and maintain a clean, healthy lifestyle by monitoring your hydration levels.

**Highlights:** Water intake tracking, Data synchronization, Clean living focus, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydro Buddy free?

Hydro Buddy costs $0.99, with no in-app purchases.

### Is Sponge Hydration free?

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

### Which has better reviews, Hydro Buddy or Sponge Hydration?

Sponge Hydration is rated higher. Hydro Buddy averages 3.4 out of 5 from 5 ratings, while Sponge Hydration averages 5.0 from 8 ratings.

### Do Hydro Buddy or Sponge Hydration have ads?

Neither Hydro Buddy nor Sponge Hydration shows ads.

### Which is updated more often, Hydro Buddy or Sponge Hydration?

Hydro Buddy ships an update every 2 months, and Sponge Hydration every 5 weeks. Most recently, Hydro Buddy was updated on September 9, 2026 and Sponge Hydration on June 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.*