# Biometric login for mobile apps (/mobile--biometric-auth)

/mobile--biometric-auth is a Claude Code skill in the Code section. Adds Face ID, Touch ID or Android biometrics to your app, with the token held in the platform keystore and a real non-biometric fallback.

- Web version: https://skills.sgomez.dev/en/s/mobile--biometric-auth
- Section: [Code](https://skills.sgomez.dev/en/code.md)
- Author: Santiago Gómez de la Torre
- License: MIT
- Source: https://github.com/sgomez-dev/claude-skills/blob/main/skills/mobile/biometric-auth.md
- Updated 10 Jul 2026

## How to ask for it

- `/mobile--biometric-auth add Face ID to my iOS app`
- `/mobile--biometric-auth implement Touch ID with a PIN fallback`
- `/mobile--biometric-auth store the session token securely`

## Install

macOS · Linux:

```
curl -fsSL https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.sh | bash
```

Windows:

```
irm https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.ps1 | iex
```

Claude Code plugin:

```
/plugin marketplace add sgomez-dev/claude-skills
/plugin install mobile-skills@claude-skills-collection
```

## Permissions

- Reads: `**/*`
- Writes: `**/*`
- Runs: —
- Network: No
- Destructive: No

## Author's description

Add biometric auth: Face/Touch ID, secure token storage, safe fallbacks

- [How we review this](https://skills.sgomez.dev/en/methodology.md)