# i3 KNX vs O!PSYTest

i3 KNX and O!PSYTest are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | i3 KNX | O!PSYTest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 53 MB | 34 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [iRidium Ltd.](https://appshunter.io/developer/1050642680) | [NUR Telecom LLC](https://appshunter.io/developer/1202124575) |

## What reviewers say

### i3 KNX

[App page](https://appshunter.io/ios/app/i3-knx/id1497857592)

Control your KNX smart home, office, or hotel automation system from a single interface. Integrate cameras, intercoms, and multimedia for comprehensive management. Create timers, schedules, and utilize voice control for seamless automation.

**Highlights:** KNX system integration, Camera and intercom integration, Timer and schedule creation, Voice control capabilities, Secure remote access, Fast project setup

**Features:** macOS Compatibility

**In-app purchases:** none


### O!PSYTest

[App page](https://appshunter.io/ios/app/opsytest/id6514297636)

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

**In-app purchases:** none


## Frequently asked questions

### Is i3 KNX free?

i3 KNX is free to download, with no in-app purchases.

### Is O!PSYTest free?

O!PSYTest is free to download, with no in-app purchases.

### Do i3 KNX or O!PSYTest have ads?

Neither i3 KNX nor O!PSYTest shows ads.

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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.*