# Hydrawise vs Grass Identifier

The clearest difference is update cadence: Hydrawise at every 3 weeks against Grass Identifier's every 5 months. Hydrawise also leads on ratings volume (65K vs 62) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Hydrawise against 4.8 for Grass Identifier. That said, the two scores are not equally well evidenced: Hydrawise has 65K ratings behind it against 62, so its average is the more settled of the two.

Hydrawise ships an update every 3 weeks, Grass Identifier every 5 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Hydrawise | Grass Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (65K ratings)](https://appshunter.io/ios/app/hydrawise/id1618847331/reviews) | **[4.8 (62 ratings)](https://appshunter.io/ios/app/grass-identifier/id6759986205/reviews)** |
| Number of ratings | **65K** | 62 |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 86 MB | 18 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hunter Industries](https://appshunter.io/developer/710090127) | [Kawaii](https://appshunter.io/developer/1696001381) |

## What reviewers say

### Hydrawise

[App page](https://appshunter.io/ios/app/hydrawise/id1618847331)

Optimize your irrigation with intelligent watering schedules based on local weather forecasts. This app helps conserve water while ensuring your landscape stays healthy and vibrant. Manage your irrigation system remotely for ultimate convenience.

**Highlights:** Predictive Watering™, Local weather insights, Water savings optimization, Lush landscape creation, Remote irrigation management

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Improved performance
- 💡 Useful features like weather-based watering
- 🔒 Secure system

**What reviewers complain about**

- 🐛 Connectivity issues
- 👎 Confusing user interface
- 🔍 Difficult to find/access certain features
- 📉 Lack of important functionality from previous app

**Reported bugs**

- App crashes on launch
- Zones not starting as scheduled
- Incorrect flow rate and water usage data

**Requested features**

- Ability to pause/resume programs
- Customizable watering schedules
- Improved reporting and historical data
- Easier manual zone control


### Grass Identifier

[App page](https://appshunter.io/ios/app/grass-identifier/id6759986205)

Identify grass species from a photo using AI and receive tailored care instructions. Track your identified grasses in a personal log and explore a global database of turf information.

**Highlights:** AI grass identification from photos, Detailed care guidance, Personal grass identification log, Global grass identification database, Search and share identifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Hydrawise free?

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

### Is Grass Identifier free?

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

### Which has better reviews, Hydrawise or Grass Identifier?

Grass Identifier is rated higher. Hydrawise averages 4.7 out of 5 from 65K ratings, while Grass Identifier averages 4.8 from 62 ratings.

### Do Hydrawise or Grass Identifier have ads?

Neither Hydrawise nor Grass Identifier shows ads.

### Which is updated more often, Hydrawise or Grass Identifier?

Hydrawise ships an update every 3 weeks, and Grass Identifier every 5 months. Most recently, Hydrawise was updated on October 14, 2026 and Grass Identifier on September 30, 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.*