# H2O vs Gulp

The clearest difference is in-app purchases: Gulp at none against H2O's 6. Gulp also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. H2O sells 4 in-app purchases, starting at $1.99 per month. Gulp asks for nothing beyond the download.

H2O ships an update every 3 days, Gulp every 5 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | H2O | Gulp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (175 ratings)](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846/reviews)** | — |
| Number of ratings | **175** | — |
| Positive reviews | 84.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | — |
| Size | 48 MB | 78 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Lunarbits LLC](https://appshunter.io/developer/6799532918) | [Serkan Kaplan](https://appshunter.io/developer/6780546004) |

## What reviewers say

### H2O

[App page](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846)

This application helps you monitor your daily water consumption to ensure you stay adequately hydrated. It offers a visually appealing interface with features for quickly logging intake and reviewing your progress.

**Highlights:** Log water intake quickly, Preset water amounts, Weekly intake graph, Full history of entries, HealthKit integration, Intuitive interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| H2O Pro Monthly | $1.99 | per month |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Lifetime | $19.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 💰 Free to use
- 🚫 Ad-free experience
- ✨ Clean and minimalist design
- 🚀 Quick and easy logging

**What reviewers complain about**

- 🐛 App crashes when accessing settings
- 🐛 App shuts off when accessing settings
- 🐛 Graph feature not working
- 💡 Missing reminder notifications
- 💡 Cannot edit previous day's entries

**Reported bugs**

- App crashes when accessing settings
- App shuts off when accessing settings
- Graph feature not working
- App closes when goal is reached
- Glitches when reaching goal

**Requested features**

- Add reminder notifications
- Allow editing of previous day's entries
- Add metric units (ml/L)
- Add widget support
- Add export to HealthKit option


### Gulp

[App page](https://appshunter.io/ios/app/gulp-water-reminder-tracker/id6782192602)

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

**In-app purchases:** none


## Frequently asked questions

### Is H2O free?

H2O is free to download, with in-app purchases available.

### Is Gulp free?

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

### Do H2O or Gulp have ads?

Neither H2O nor Gulp shows ads.

### Which is updated more often, H2O or Gulp?

H2O ships an update every 3 days, and Gulp every 5 days. Most recently, H2O was updated on November 1, 2026 and Gulp on October 28, 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.*