# H2ERO — Water Saving Made Accessible

> Image-based grass water use efficiency assessment and watering guidance. (iPhone/iPad app by Aniyah Shen.)

- Source: https://appshunter.io/ios/app/h2ero/id1591155783 (this page in markdown: same URL + `.md`)
- Developer: [Aniyah Shen](https://appshunter.io/developer/1591155785)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 32 MB
- Languages: English
- Released: 2021-11-15
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/h2ero/id1591155783/reviews.md

## What is H2ERO?

Save water and maintain beautiful lawns and parks with H2ERO! 

H2ERO makes water conservation more accessible than ever before, enabling homeowners, community leaders, and the general public to easily, directly, and objectively assess grass water use efficiency. Simply image your grass and upload the picture to H2ERO, then receive a watering assessment within seconds. You can use H2ERO to track and improve the health of your grass, all while practicing conscientious watering.

HOW DOES H2ERO WORK?
-  H2ERO combines smartphone imaging with image processing to directly assess grass water use efficiency.

-  H2ERO’s image processing algorithm is grounded in award-winning scientific research that uses CIELAB digital color unmixing to objectively assess grass color.
-  Processed images are compared to references determined through research experimentation and extensive testing of real-world grass images.
-  A final watering assessment is then provided, along with watering suggestions and warnings if applicable.

WHY H2ERO?
-  H2ERO is the first app and tool created with the general public in mind to directly assess grass water usage.
-  With a simple, straightforward user interface and instant processing, H2ERO is an easy, effective watering assessment tool for everyday use.

Let’s all do our part to save water and preserve our planet’s natural resources.

## Key features

- Image-based grass water assessment
- Instant watering suggestions
- Track grass health
- Objective color analysis
- User-friendly interface


## Frequently asked questions about H2ERO

### How does H2ERO assess grass water use efficiency?

H2ERO uses smartphone imaging and image processing, specifically CIELAB digital color unmixing, to objectively assess grass color. Processed images are compared to research-based references to provide a watering assessment.

### Is H2ERO available on Android devices?

Currently, H2ERO is available for iPhone, iPad, and iPod. Specific Android compatibility is not mentioned in the provided data.

### What is the update frequency for H2ERO?

H2ERO was last updated on November 15, 2021. Further update frequency information is not available.

### What is the age rating for H2ERO?

H2ERO has an age rating of 4+, making it suitable for a wide range of users.

### Does H2ERO have ads?

No, H2ERO does not contain advertisements. It is a free application without any ads.

### What are the pricing details for H2ERO?

H2ERO is completely free to download and use. There are no in-app purchases or subscription fees associated with the application.

### How does H2ERO compare to other lawn care apps?

H2ERO is noted as the first app designed for the general public to directly assess grass water usage through imaging, offering a simple and instant assessment tool.

### What user sentiment is reported for H2ERO?

H2ERO has received a perfect 5.0-star rating from 2 user reviews, indicating a highly positive user sentiment.

## Version history (last 1 release)

### 2.0 — 2021-11-15

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*