# Renson Ventilation vs Water Genius

The clearest difference is iOS requirement: Water Genius at 12.4 against Renson Ventilation's 15.6. On price, update cadence, 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.

Renson Ventilation ships an update every 4 months, Water Genius every 3 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Renson Ventilation | Water Genius |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 46 MB | 58 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RENSON®](https://appshunter.io/developer/598936600) | [Water Genius](https://appshunter.io/developer/1708870507) |

## What reviewers say

### Renson Ventilation

[App page](https://appshunter.io/ios/app/renson-ventilation/id1345951058)

Monitor and control your home's indoor air quality with intelligent ventilation. Customize comfort settings, track air quality history, and receive filter maintenance alerts for a healthier living space.

**Highlights:** Intelligent Air Regulation insights, Real-Time Air Quality Monitoring, Customizable Comfort Profiles (Health, Eco, Intense), Manual Ventilation Control, Secure Remote Management, Filter Replacement/Cleaning Notifications

**Features:** Vision Pro support

**In-app purchases:** none


### Water Genius

[App page](https://appshunter.io/ios/app/water-genius/id6467622937)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Renson Ventilation free?

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

### Is Water Genius free?

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

### Do Renson Ventilation or Water Genius have ads?

Neither Renson Ventilation nor Water Genius shows ads.

### Which is updated more often, Renson Ventilation or Water Genius?

Renson Ventilation ships an update every 4 months, and Water Genius every 3 months. Most recently, Renson Ventilation was updated on October 1, 2026 and Water Genius on October 12, 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.*