# ScentedVents vs Hydrawise

The clearest difference is rating: Hydrawise at 4.7 against ScentedVents's 2.0. Hydrawise also leads on review sentiment (39% vs 0%) and update cadence (every 3 weeks vs every 9 months). ScentedVents's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Hydrawise holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Hydrawise has 67K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of ScentedVents's written reviews are positive against 39% of Hydrawise's.

ScentedVents ships an update every 9 months, Hydrawise every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ScentedVents | Hydrawise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (9 ratings)](https://appshunter.io/ios/app/scentedvents/id1459593439/reviews) | **[4.7 (67K ratings)](https://appshunter.io/ios/app/hydrawise/id1618847331/reviews)** |
| Number of ratings | 9 | **67K** |
| Positive reviews | 0.0% of reviews | **38.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 141 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scented Vents LLC](https://appshunter.io/developer/1459593438) | [Hunter Industries](https://appshunter.io/developer/710090127) |

## What reviewers say

### ScentedVents

[App page](https://appshunter.io/ios/app/scentedvents/id1459593439)

Control your ScentedVents diffuser's intensity and timer settings remotely. Manage your home's fragrance experience with this dedicated mobile application.

**Highlights:** Control intensity levels, Set timer settings, Manage fragrance diffusion, Remote diffuser control

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ScentedVents free?

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

### Is Hydrawise free?

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

### Which has better reviews, ScentedVents or Hydrawise?

Hydrawise is rated higher. ScentedVents averages 2.0 out of 5 from 9 ratings, while Hydrawise averages 4.7 from 67K ratings.

### Do ScentedVents or Hydrawise have ads?

Neither ScentedVents nor Hydrawise shows ads.

### Which is updated more often, ScentedVents or Hydrawise?

ScentedVents ships an update every 9 months, and Hydrawise every 3 weeks. Most recently, ScentedVents was updated on October 24, 2026 and Hydrawise on October 25, 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.*