# GreenTech App vs Priva Notification Center

The clearest difference is update cadence: GreenTech App at monthly against Priva Notification Center's every 3 months. Priva Notification Center's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, 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.

GreenTech App ships an update monthly, Priva Notification Center every 3 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GreenTech App | Priva Notification Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/priva-notification-center/id1595923731/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free |
| Size | 58 MB | 6 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [RAI Amsterdam B.V.](https://appshunter.io/developer/1444409331) | [Priva BV](https://appshunter.io/developer/503531436) |

## What reviewers say

### GreenTech App

[App page](https://appshunter.io/ios/app/greentech-app/id1586113128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Priva Notification Center

[App page](https://appshunter.io/ios/app/priva-notification-center/id1595923731)

Receive real-time alerts for greenhouse or building alarms directly on your iOS device. Investigate alarm causes and access detailed information within the application to ensure you never miss critical notifications.

**Highlights:** Real-time alarm notifications, Greenhouse and building monitoring, Investigate alarm causes, Detailed alarm information, iOS push notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GreenTech App free?

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

### Is Priva Notification Center free?

Priva Notification Center is free to download, with no in-app purchases.

### Do GreenTech App or Priva Notification Center have ads?

Neither GreenTech App nor Priva Notification Center shows ads.

### Which is updated more often, GreenTech App or Priva Notification Center?

GreenTech App ships an update monthly, and Priva Notification Center every 3 months. Most recently, GreenTech App was updated on October 27, 2026 and Priva Notification Center on November 3, 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.*