# FreshAir Sensor vs Symmons Evolution

FreshAir Sensor and Symmons Evolution both sit at 5.0 stars, but that hides the real split: 100% of Symmons Evolution's written reviews are positive against 67% of FreshAir Sensor's. Symmons Evolution also leads on update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads 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 — 5.0 for FreshAir Sensor against 5.0 for Symmons Evolution. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews are what separate them: 67% of FreshAir Sensor's written reviews are positive against 100% of Symmons Evolution's.

FreshAir Sensor ships an update every 2 months, Symmons Evolution every 3 weeks. The most recent releases landed on June 1, 2026 and August 6, 2026 respectively.

## The numbers

| Metric | FreshAir Sensor | Symmons Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/freshair-sensor/id1282065363/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/symmons-evolution/id1461251751/reviews) |
| Number of ratings | 6 | **8** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 72 MB | 89 MB |
| Requires iOS | **15.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FreshAir Sensor](https://appshunter.io/developer/1282065362) | [Symmons](https://appshunter.io/developer/1461251351) |

## What reviewers say

### FreshAir Sensor

[App page](https://appshunter.io/ios/app/freshair-sensor/id1282065363)

This application allows you to set up and manage your FreshAir nicotine monitoring device. View real-time smoking alerts and monitor device status directly from your smartphone.

**Highlights:** Install FreshAir nicotine monitoring device, View FreshAir smoking alerts, Monitor device status, Receive real-time notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Symmons Evolution

[App page](https://appshunter.io/ios/app/symmons-evolution/id1461251751)

Gain complete control and visibility over your building's water systems. Receive real-time alerts for issues, manage tasks, and track water savings. This app streamlines operations and promotes sustainability for facility managers.

**Highlights:** Real-time monitoring and alerts, Centralized action center for tasks, Dashboard insights and water savings tracking, On-site device management, AI-powered insights and recommendations, Multi-user management, Customizable notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FreshAir Sensor free?

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

### Is Symmons Evolution free?

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

### Which has better reviews, FreshAir Sensor or Symmons Evolution?

FreshAir Sensor and Symmons Evolution are both rated 5.0 out of 5 on the App Store, from 6 and 8 ratings respectively.

### Do FreshAir Sensor or Symmons Evolution have ads?

Neither FreshAir Sensor nor Symmons Evolution shows ads.

### Which is updated more often, FreshAir Sensor or Symmons Evolution?

FreshAir Sensor ships an update every 2 months, and Symmons Evolution every 3 weeks. Most recently, FreshAir Sensor was updated on June 1, 2026 and Symmons Evolution on August 6, 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.*