Comparison

KNX V2 vs Smart Chip

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KNX V2

Features
Read full description

With the updated Feller KNX app, lighting, blinds, climate control, and other functions can be conveniently operated via smartphone or tablet. Thanks to the new, intuitive design and customizable options—such as renaming functions or choosing symbols—the app offers flexible usability. Switching between favorites, rooms, scenes, and automations ensures quick and easy navigation. In residential settings, the KNX app serves as a remote control for managing functions in individual rooms or entire sections of a building. In offices, meeting rooms, or training spaces, the new KNX app can be used in combination with a tablet for convenient control during presentations. Your benefits: • Presence simulation deters burglars before they act. • The timer function allows time-based control of devices. • With the smart button function, KNX switches can trigger app scenes. • Supports user rights management as defined by the system integrator, allowing different permissions for individual users. • Integration of the Solar Manager widget is possible. • Data export and import functionality. • Switch between different installations via the menu (e.g., apartment / holiday home). • Live visualization provides real-time overview of window states, room temperatures, and operating modes. For more information about the KNX app or the KNX/App Interface V2, please contact your electrical installer or visit our website at feller.ch/knx. Note: This app is compatible with the KNX/App Interface V2, article number: 36141-00.REG.

About

Smart Chip

Features
Read full description

Everything You Need for Your Smart Chip – Simple, Fast, Secure With the Smart Chip App, you can activate your fingernail chip, link credit cards, and create digital business cards – all for a wallet-free, stress-free experience. Chip Management • Add new Smart Chips to your account • Delete lost or old Smart Chips • Manage multiple chips at once • Enable or disable features to fit your needs Contactless Payment • Securely and encrypt your credit card connection to your Smart Chip •Temporarily deactivate or completely remove the card

Screenshots

KNX V24 screens
Smart Chip4 screens

Verdict

The call

The clearest difference is update cadence: Smart Chip at every 5 weeks against KNX V2's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

KNX V2 ships an update every 4 months, Smart Chip every 5 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
KNX V2 versus Smart Chip: the parameters behind the verdict, then further details
ParameterKNX V2Smart Chip
PriceFreeFree
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size56 MB85 MB
Age rating4+4+
DeveloperFeller AGSmart Chip Switzerland AG

In-app purchases

None

KNX V2

No in-app purchases

None

Smart Chip

No in-app purchases

Questions

Is KNX V2 free?
KNX V2 is free to download, with no in-app purchases.
Is Smart Chip free?
Smart Chip is free to download, with no in-app purchases.
Do KNX V2 or Smart Chip have ads?
Neither KNX V2 nor Smart Chip shows ads.
Which is updated more often, KNX V2 or Smart Chip?
KNX V2 ships an update every 4 months, and Smart Chip every 5 weeks. Most recently, KNX V2 was updated on November 2, 2026 and Smart Chip on October 30, 2026.

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