# Renson Ventilation vs Collector DC

The clearest difference is in-app purchases: Renson Ventilation at none against Collector DC's 4. Renson Ventilation also leads on iOS requirement (15.6 vs 18.0). Collector DC's advantage is update cadence (every 5 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Collector DC sells 4 in-app purchases, starting at $3.99 per month. Renson Ventilation asks for nothing beyond the download.

Renson Ventilation ships an update every 4 months, Collector DC every 5 days. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Renson Ventilation | Collector DC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 46 MB | 27 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RENSON®](https://appshunter.io/developer/598936600) | [Floro De Castro Neto](https://appshunter.io/developer/6811952058) |

## 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


### Collector DC

[App page](https://appshunter.io/ios/app/collector-dc/id6811952056)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COLLECTOR+ | $3.99 | per month |
| PRO | $17.99 | per month |
| 5 extra showcase spaces | $3.95 | one-time |
| Showcase with 10 spaces | $14.99 | one-time |


## Frequently asked questions

### Is Renson Ventilation free?

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

### Is Collector DC free?

Collector DC is free to download, with in-app purchases available.

### Do Renson Ventilation or Collector DC have ads?

Neither Renson Ventilation nor Collector DC shows ads.

### Which is updated more often, Renson Ventilation or Collector DC?

Renson Ventilation ships an update every 4 months, and Collector DC every 5 days. Most recently, Renson Ventilation was updated on November 2, 2026 and Collector DC on October 29, 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.*