Apto CKIS vs Connect 4u
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Apto CKIS
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Safe, mobile, two-factor authorization. Apto is a mobile application and is used to authorize – financial transactions for example. Usage of Public Key Infrastructure makes it completely safe and resistant even to sophisticated attacks. - Prevents unauthorized access, - Uses a two-factor mechanism for authorization, - Protects against unauthorized use of your credit card, - Provides intuitive operation.
Connect 4u
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This app accompanies Connect4U systems and enable you to receive calls from C4U intercom systems to your mobile phone.
Screenshots
Verdict
The clearest difference is update cadence: Apto CKIS at weekly against Connect 4u's every 3 months. Apto CKIS also leads on iOS requirement (15.1 vs 18.6). 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.
Apto CKIS ships an update weekly, Connect 4u every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.
| Parameter | Apto CKIS | Connect 4u |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 22 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Enigma SOI | Connect4u |
In-app purchases
Apto CKIS
No in-app purchases
Connect 4u
No in-app purchases
