# COMMAX Hey Call vs KAU Authenticator

The clearest difference is rating: COMMAX Hey Call at 4.5 against KAU Authenticator's 2.3. COMMAX Hey Call also leads on ratings volume (115 vs 3) and iOS requirement (11.0 vs 13.0). KAU Authenticator's advantage is update cadence (monthly vs every 16 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

COMMAX Hey Call holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: COMMAX Hey Call has 115 ratings behind it against 3, so its average is the more settled of the two.

COMMAX Hey Call ships an update every 16 months, KAU Authenticator monthly. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | COMMAX Hey Call | KAU Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (115 ratings)](https://appshunter.io/ios/app/commax-hey-call/id1585757748/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/kau-authenticator/id1644669727/reviews) |
| Number of ratings | **115** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Free | Free |
| Size | 172 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [COMMAX](https://appshunter.io/developer/433606349) | [kau.edu](https://appshunter.io/developer/599032456) |

## What reviewers say

### COMMAX Hey Call

[App page](https://appshunter.io/ios/app/commax-hey-call/id1585757748)

This application enables mobile video calls with visitors and saves images detected by motion sensors. It allows you to stay connected and monitor your home remotely through your smartphone.

**Highlights:** Mobile video calls with visitors, Save visitor images, Motion detection alerts, Smartphone integration

**Features:** macOS Compatibility

**In-app purchases:** none


### KAU Authenticator

[App page](https://appshunter.io/ios/app/kau-authenticator/id1644669727)

This app provides secure two-factor authentication for university systems. It generates time-based one-time passwords and supports offline code generation. The app prioritizes user privacy by storing all keys locally on the device.

**Highlights:** Time-based one-time password (TOTP) generation, Secure QR code scanning for account setup, Offline code generation, Auto-refreshing codes every 30 seconds, Lightweight, fast, and secure design, Local storage of authentication keys

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COMMAX Hey Call free?

COMMAX Hey Call is free to download, with no in-app purchases.

### Is KAU Authenticator free?

KAU Authenticator is free to download, with no in-app purchases.

### Which has better reviews, COMMAX Hey Call or KAU Authenticator?

COMMAX Hey Call is rated higher. COMMAX Hey Call averages 4.5 out of 5 from 115 ratings, while KAU Authenticator averages 2.3 from 3 ratings.

### Do COMMAX Hey Call or KAU Authenticator have ads?

Neither COMMAX Hey Call nor KAU Authenticator shows ads.

### Which is updated more often, COMMAX Hey Call or KAU Authenticator?

COMMAX Hey Call ships an update every 16 months, and KAU Authenticator monthly. Most recently, COMMAX Hey Call was updated on September 15, 2026 and KAU Authenticator on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*