Karefon vs Kale Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Karefon
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Karefon allows people to contact you without your personal information (phone number) via a QR code. People can contact you in cases such as parking violations with a sticker you will stick on the windshield of your vehicle. Or; Karefon allows your guests or visitors (postman, cargo, guest, etc.) to reach you via your mobile phone with a QR Code stuck or hung in front of your door. Karefon is a 4th generation advanced mobile intercom. It allows you to contact your guests from anywhere in the world and control your guest, garden, etc. gate or parking lot from anywhere in the world at any time.
Kale Smart
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Manage your lock with your phone
Screenshots
Verdict
The clearest difference is update cadence: Karefon at every 3 months against Kale Smart's every 18 months. Kale Smart's advantage is iOS requirement (13.0 vs 15.6). 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.
Karefon ships an update every 3 months, Kale Smart every 18 months. Both last shipped on October 11, 2026.
| Parameter | Karefon | Kale Smart |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 414 MB |
| Age rating | 17+ | 4+ |
| Developer | 2KTeknoloji_Uwesis | Kale Kilit |
In-app purchases
Karefon
No in-app purchases
Kale Smart
No in-app purchases
