# ZeroAuth vs KISS Lock

The clearest difference is update cadence: KISS Lock at every 11 days against ZeroAuth's every 5 weeks. 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.

ZeroAuth ships an update every 5 weeks, KISS Lock every 11 days. The most recent releases landed on August 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ZeroAuth | KISS Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Size | 80 MB | 2 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chandan Kumar Dash](https://appshunter.io/developer/1810937454) | [KISS Solutions LLC](https://appshunter.io/developer/6783896187) |

## What reviewers say

### ZeroAuth

[App page](https://appshunter.io/ios/app/zeroauth/id6764048764)

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

**In-app purchases:** none


### KISS Lock

[App page](https://appshunter.io/ios/app/kiss-lock/id6783896185)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeroAuth free?

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

### Is KISS Lock free?

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

### Do ZeroAuth or KISS Lock have ads?

Neither ZeroAuth nor KISS Lock shows ads.

### Which is updated more often, ZeroAuth or KISS Lock?

ZeroAuth ships an update every 5 weeks, and KISS Lock every 11 days. Most recently, ZeroAuth was updated on August 4, 2026 and KISS Lock on September 19, 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.*