# Kasta vs PSA Centrii

The clearest difference is review sentiment: Kasta at 44% against PSA Centrii's 33%. Kasta also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, 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.

Kasta ships an update every 2 months, PSA Centrii every 3 months. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Kasta | PSA Centrii |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **44.4% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 61 MB | 190 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KASTA Technologies (AU) Pty Ltd.](https://appshunter.io/developer/1449447830) | [PSA Products Pty Ltd](https://appshunter.io/developer/1514298728) |

## What reviewers say

### Kasta

[App page](https://appshunter.io/ios/app/kasta/id1456177991)

Control and monitor your home's electrical usage with this smart lighting solution. Enhance your living experience by easily managing your devices and customizing your environment for a more powerful and affordable smart lifestyle.

**Highlights:** Monitor electrical usage, Manage home devices, Customize living experiences, Affordable smart lifestyle solution, Seamless integration

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

**In-app purchases:** none


### PSA Centrii

[App page](https://appshunter.io/ios/app/psa-centrii/id1514298729)

This app provides safety and security for families by allowing remote control and communication with IoT-enabled devices. It enables users to manage multiple smart devices, automate interactions, share access with family, and receive real-time alerts.

**Highlights:** Remote device communication and control, Manage multiple IoT devices, Smart automation control, Share devices with family, Real-time alerts, Easy device pairing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kasta free?

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

### Is PSA Centrii free?

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

### Do Kasta or PSA Centrii have ads?

Neither Kasta nor PSA Centrii shows ads.

### Which is updated more often, Kasta or PSA Centrii?

Kasta ships an update every 2 months, and PSA Centrii every 3 months. Most recently, Kasta was updated on October 10, 2026 and PSA Centrii on October 19, 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.*