# Vessel vs HydroProof

The clearest difference is iOS requirement: HydroProof at 18.6 against Vessel's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Vessel | HydroProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/vessel-water-tracker/id6759490027/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Free | — |
| Size | 20 MB | 4 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sri Harish Pinnimti](https://appshunter.io/developer/1879001990) | [Andre Veltens](https://appshunter.io/developer/1858390791) |

## What reviewers say

### Vessel

[App page](https://appshunter.io/ios/app/vessel-water-tracker/id6759490027)

This app helps you track your daily water intake with quick logging and detailed analytics. It offers personalized reminders and custom drink options, all while keeping your data private and accessible for free.

**Highlights:** Quick intake logging, Advanced hydration analytics, Personalized reminders, Custom drink creation, Private iCloud sync, Streak building

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroProof

[App page](https://appshunter.io/ios/app/hydroproof/id6761188208)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Vessel free?

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

### Is HydroProof free?

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

### Do Vessel or HydroProof have ads?

Neither Vessel nor HydroProof shows ads.

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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.*