# CAVAC vs KZero Passwordless

The clearest difference is update cadence: KZero Passwordless at every 5 weeks against CAVAC's every 7 months. KZero Passwordless also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CAVAC ships an update every 7 months, KZero Passwordless every 5 weeks. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CAVAC | KZero Passwordless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/kzero-passwordless/id1672389184/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 72 MB | 62 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Centre d'Aide aux Victimes d'Actes Criminels de la Montérégie](https://appshunter.io/developer/1333197507) | [Kelvin Zero](https://appshunter.io/developer/1670753149) |

## What reviewers say

### CAVAC

[App page](https://appshunter.io/ios/app/cavac/id1333197508)

**Features:** macOS Compatibility

**In-app purchases:** none


### KZero Passwordless

[App page](https://appshunter.io/ios/app/kzero-passwordless/id1672389184)

This app provides passwordless authentication for users of the Multi-Pass Pro card. It allows for secure sign-ins to web applications and MPAS services using push notifications and the Pro card. Users can also manage and access information about their Multi-Pass Pro card.

**Highlights:** Passwordless sign-in, Push notification authentication, Manage Multi-Pass Pro card information, Enroll Multi-Pass Pro card, Secure access to web applications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CAVAC free?

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

### Is KZero Passwordless free?

KZero Passwordless is free to download, with no in-app purchases.

### Do CAVAC or KZero Passwordless have ads?

Neither CAVAC nor KZero Passwordless shows ads.

### Which is updated more often, CAVAC or KZero Passwordless?

CAVAC ships an update every 7 months, and KZero Passwordless every 5 weeks. Most recently, CAVAC was updated on October 26, 2026 and KZero Passwordless on November 3, 2026.

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