# KZero Passwordless vs Speaker Mic

The clearest difference is in-app purchases: KZero Passwordless at none against Speaker Mic's 6. Speaker Mic's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Speaker Mic sells 6 in-app purchases, starting at $0.99 per month. KZero Passwordless asks for nothing beyond the download.

KZero Passwordless ships an update every 5 weeks, Speaker Mic every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | KZero Passwordless | Speaker Mic |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 62 MB | 2 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelvin Zero](https://appshunter.io/developer/1670753149) | [杨柳 孙](https://appshunter.io/developer/1878331190) |

## 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


### Speaker Mic

[App page](https://appshunter.io/ios/app/speaker-mic-voice-amplifier/id6760217493)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Weekly Plan | $0.99 | per 7 days |
| Medium Gift - Lucky Vibes! | $0.99 | one-time |
| Small Gift - Sprouting Luck! | $0.99 | one-time |
| Permanently unlocked for use | $9.99 | one-time |
| Big Gift - Get Rich! | $12.99 | one-time |


## Frequently asked questions

### Is KZero Passwordless free?

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

### Is Speaker Mic free?

Speaker Mic is free to download, with in-app purchases available.

### Do KZero Passwordless or Speaker Mic have ads?

Neither KZero Passwordless nor Speaker Mic shows ads.

### Which is updated more often, KZero Passwordless or Speaker Mic?

KZero Passwordless ships an update every 5 weeks, and Speaker Mic every 10 days. Most recently, KZero Passwordless was updated on October 24, 2026 and Speaker Mic on October 24, 2026.

---

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