k vs GRINDS AIR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
k
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This App is a mobile client to your KESO Master Key System and has been developed to win comfort and flexibility in managing your Access Control or Master Key System remotely. - Lock out a stolen mechatronic key or badge in seconds - Grant permission rights to your doors to users - Monitor the door state of all online doors within your buildings - Make a remote opening of an online door - All of this whenever you like an wherever you have UMTS or WiFi connection - This App is compatible with iPhone 5 or later and iPad 2 or later
GRINDS AIR
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Automatic match of the remote control according to the controller version
Screenshots
Verdict
The clearest difference is update cadence: GRINDS AIR at every 2 months against k's every 32 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
k ships an update every 32 months, GRINDS AIR every 2 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.
| Parameter | k | GRINDS AIR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 32 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 30 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | ASSA ABLOY (Schweiz) AG | Matthias Friesen |
In-app purchases
k
No in-app purchases
GRINDS AIR
No in-app purchases
