# KZero Passwordless vs Smart Privacy & Device Tools

The clearest difference is rating: Smart Privacy & Device Tools at 5.0 against KZero Passwordless's 4.5. Smart Privacy & Device Tools also leads on update cadence (every 4 days vs every 5 weeks). KZero Passwordless's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Privacy & Device Tools sells 6 in-app purchases, starting at $8.99 per 7 days. KZero Passwordless asks for nothing beyond the download.

Smart Privacy & Device Tools holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

KZero Passwordless ships an update every 5 weeks, Smart Privacy & Device Tools every 4 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | KZero Passwordless | Smart Privacy & Device Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/kzero-passwordless/id1672389184/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-privacy-and-device-tools/id6749375439/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 62 MB | 128 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kelvin Zero](https://appshunter.io/developer/1670753149) | [Alina Mykytenko](https://appshunter.io/developer/1830247777) |

## What reviewers say

### 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


### Smart Privacy & Device Tools

[App page](https://appshunter.io/ios/app/smart-privacy-and-device-tools/id6749375439)

Enhance personal safety by scanning for irregular wireless activity and environmental anomalies. Monitor surroundings in various locations to detect unusual signals and connections, offering offline functionality for travel.

**Highlights:** Scan Bluetooth and Wi-Fi signals, Analyze local networks, Use magnetic field data, Enhance privacy, Offline functionality

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Privacy & Device Tools | $8.99 | per 7 days |
| DeviceDetectWeekly | $8.99 | per 7 days |
| DeviceDetectMonthly | $14.99 | per month |
| DeviceDetectMonthlyTrial | $15.99 | per month |
| DeviceDetectYearly | $83.99 | per year |
| DeviceDetectYearlyTrial | $99.99 | per year |


## Frequently asked questions

### Is KZero Passwordless free?

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

### Is Smart Privacy & Device Tools free?

Smart Privacy & Device Tools is free to download, with in-app purchases available.

### Which has better reviews, KZero Passwordless or Smart Privacy & Device Tools?

Smart Privacy & Device Tools is rated higher. KZero Passwordless averages 4.5 out of 5 from 2 ratings, while Smart Privacy & Device Tools averages 5.0 from 1 ratings.

### Do KZero Passwordless or Smart Privacy & Device Tools have ads?

Smart Privacy & Device Tools shows ads; KZero Passwordless does not.

### Which is updated more often, KZero Passwordless or Smart Privacy & Device Tools?

KZero Passwordless ships an update every 5 weeks, and Smart Privacy & Device Tools every 4 days. Most recently, KZero Passwordless was updated on October 24, 2026 and Smart Privacy & Device Tools on October 21, 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.*