# KNX V2 vs i3 KNX

The clearest difference is update cadence: i3 KNX at every 2 months against KNX V2's every 4 months. i3 KNX also leads on iOS requirement (11.0 vs 15.0). On price, ads, 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.

KNX V2 ships an update every 4 months, i3 KNX every 2 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | KNX V2 | i3 KNX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 56 MB | 53 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Feller AG](https://appshunter.io/developer/525095492) | [iRidium Ltd.](https://appshunter.io/developer/1050642680) |

## What reviewers say

### KNX V2

[App page](https://appshunter.io/ios/app/knx-v2/id1343197447)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is KNX V2 free?

KNX V2 is free to download, with no in-app purchases.

### Is i3 KNX free?

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

### Do KNX V2 or i3 KNX have ads?

Neither KNX V2 nor i3 KNX shows ads.

### Which is updated more often, KNX V2 or i3 KNX?

KNX V2 ships an update every 4 months, and i3 KNX every 2 months. Most recently, KNX V2 was updated on October 12, 2026 and i3 KNX on October 16, 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.*