# VELUX ACTIVE with NETATMO vs TimeCalculation

The clearest difference is ads: VELUX ACTIVE with NETATMO at none against TimeCalculation's shown. TimeCalculation's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VELUX ACTIVE with NETATMO ships an update every 2 months, TimeCalculation weekly. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | VELUX ACTIVE with NETATMO | TimeCalculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (481 ratings)](https://appshunter.io/ios/app/velux-active-with-netatmo/id1236761241/reviews)** | — |
| Number of ratings | **481** | — |
| Positive reviews | 67.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 294 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VELUX](https://appshunter.io/developer/505431654) | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) |

## What reviewers say

### VELUX ACTIVE with NETATMO

[App page](https://appshunter.io/ios/app/velux-active-with-netatmo/id1236761241)

Automate your electric roof windows, blinds, and shutters using smart sensors for temperature, humidity, and air quality. Monitor and control your home's indoor climate remotely and receive alerts. Features include an air quality dashboard, remote control via app or voice, and a convenient departure remote.

**Highlights:** Automated roof window control, Sensor-based climate monitoring, Remote and voice control, Indoor climate dashboard, Departure scene automation, Easy installation

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Convenient remote control
- 🚀 Reliable connectivity
- 👍 Helpful automation features
- 👍 Integrates with HomeKit

**What reviewers complain about**

- 🐛 Frequent disconnections
- 🐛 Buggy app and unreliable performance
- 🔒 Poor security and privacy
- 👎 Complicated setup process
- 👎 Lack of features and customization

**Reported bugs**

- App crashes and freezes
- Inability to detect and pair devices
- Automations not working as expected
- Incorrect weather data and sensor readings

**Requested features**

- Alexa and Google Home integration
- Ability to set custom open/close schedules
- Improved automation options based on weather, temperature, etc.
- Landscape mode support for iPad
- Battery level indicators for devices


### TimeCalculation

[App page](https://appshunter.io/ios/app/timecalculation/id6461114972)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VELUX ACTIVE with NETATMO free?

VELUX ACTIVE with NETATMO is free to download, with no in-app purchases.

### Is TimeCalculation free?

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

### Do VELUX ACTIVE with NETATMO or TimeCalculation have ads?

TimeCalculation shows ads; VELUX ACTIVE with NETATMO does not.

### Which is updated more often, VELUX ACTIVE with NETATMO or TimeCalculation?

VELUX ACTIVE with NETATMO ships an update every 2 months, and TimeCalculation weekly. Most recently, VELUX ACTIVE with NETATMO was updated on October 19, 2026 and TimeCalculation on October 4, 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.*