# Rehau Smart Ventilation System vs Arikana Studio

The clearest difference is in-app purchases: Arikana Studio at none against Rehau Smart Ventilation System's 8. Arikana Studio also leads on update cadence (every 5 weeks vs every 4 months). Rehau Smart Ventilation System's advantage is ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Rehau Smart Ventilation System sells 8 one-off in-app purchases. Arikana Studio asks for nothing beyond the download.

Rehau Smart Ventilation System ships an update every 4 months, Arikana Studio every 5 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Rehau Smart Ventilation System | Arikana Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 131 MB | 123 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rema](https://appshunter.io/developer/1477484822) | [SENSE4FIT DEVELOPMENT SRL](https://appshunter.io/developer/1622083704) |

## What reviewers say

### Rehau Smart Ventilation System

[App page](https://appshunter.io/ios/app/rehau-smart-ventilation-system/id1556417366)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Sim Card Package | $1.99 | one-time |
| 6 VIEWERS PACK 1 YEAR | $9.99 | one-time |
| 1 Year Sim Card Package | $12.99 | one-time |
| 10 VIEWER PACKS | $13.99 | one-time |
| 3 ADMIN 3 VIEWER + USER 1 YEAR | $13.99 | one-time |
| 6 ADMIN PACKAGES 1 YEAR | $15.99 | one-time |
| 2 Year Sim Card Package | $17.99 | one-time |
| 10 ADMIN PACKS | $20.99 | one-time |


### Arikana Studio

[App page](https://appshunter.io/ios/app/arikana-studio/id6743401916)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Rehau Smart Ventilation System free?

Rehau Smart Ventilation System is free to download, with in-app purchases available.

### Is Arikana Studio free?

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

### Do Rehau Smart Ventilation System or Arikana Studio have ads?

Arikana Studio shows ads; Rehau Smart Ventilation System does not.

### Which is updated more often, Rehau Smart Ventilation System or Arikana Studio?

Rehau Smart Ventilation System ships an update every 4 months, and Arikana Studio every 5 weeks. Most recently, Rehau Smart Ventilation System was updated on October 25, 2026 and Arikana Studio 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.*