# Renson Ventilation vs Zimmo

The clearest difference is ads: Renson Ventilation at none against Zimmo's shown. Renson Ventilation also leads on monetization model (free vs ad-supported). Zimmo's advantage is review sentiment (34% vs 10%) and update cadence (every 5 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement 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, Zimmo every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Renson Ventilation | Zimmo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (27 ratings)](https://appshunter.io/ios/app/zimmo/id1536539061/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | 9.8% of reviews | **34.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 46 MB | 66 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RENSON®](https://appshunter.io/developer/598936600) | [Zimmo](https://appshunter.io/developer/390434622) |

## 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


### Zimmo

[App page](https://appshunter.io/ios/app/zimmo/id1536539061)

Find houses and apartments for sale and rent across Belgium. Save favorites, set up notifications for new listings, and contact sellers or landlords directly. Customize your search with extensive filters and map tools.

**Highlights:** Search for houses and apartments, Save favorite properties and searches, Set up real-time notifications, Contact sellers/landlords directly, Use map drawing for search regions, Apply numerous search filters, Dark mode available

**In-app purchases:** none


## Frequently asked questions

### Is Renson Ventilation free?

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

### Is Zimmo free?

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

### Do Renson Ventilation or Zimmo have ads?

Zimmo shows ads; Renson Ventilation does not.

### Which is updated more often, Renson Ventilation or Zimmo?

Renson Ventilation ships an update every 4 months, and Zimmo every 5 weeks. Most recently, Renson Ventilation was updated on September 21, 2026 and Zimmo on September 22, 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.*