Compare Slinky
Slinky is a free Mac app for API keys, a project’s .env variables, and backup codes. Here’s how it compares with the tools people already use for them, including when another tool is the better choice.
At a glance
| Slinky | Apple Passwords | 1Password | .env files | Doppler or Infisical | Keychain Access | |
|---|---|---|---|---|---|---|
| Made for API keys and tokens | Yes | No | Yes | Partly: Plain text | Yes | Partly: Generic items |
| A project’s .env, per environment | Yes | No | Yes: Environments | Yes | Yes | No |
| A command that runs your app | Yes | No | Yes: op run | No | Yes | Partly: Prints values |
| AI agents use keys without seeing them | Yes | No | Yes: Environments MCP | No: In the clear | Partly: Infisical’s proxy | No |
| Recovery codes that cross themselves off | Yes | No | No | No | No | No |
| Stays on your Mac | Yes: Unless you share it | Partly: iCloud | No: Their cloud | Partly: Unencrypted | No: Their servers | Yes |
| Share with your team | Yes: Encrypted files, no server | Partly: Passwords only | Yes | No: Pasted in chat | Yes | No |
| Opens with Touch ID | Yes | Yes | Yes | No | No | Partly: Password |
| Price | Free, open source | Free | Subscription | Free | Free tier, then paid | Free |
Yes Partly No As of October 2026.
Slinky compared with
Slinky vs 1Password
A full password manager with developer tools, or a free Mac app just for keys.
Password managersSlinky vs Apple Passwords
Use Apple Passwords for sign-ins, and Slinky for keys and backup codes.
Password managersSlinky vs Bitwarden
An open-source password manager and a Secrets Manager for teams, or one Mac app.
Password managersSlinky vs Doppler
A hosted secrets manager for teams, or keys that stay on your Mac.
Secret managers for teamsSlinky vs Infisical
An open-source secrets platform you host, or a Mac app with no server.
Secret managers for teamsSlinky vs HashiCorp Vault
Secrets infrastructure for organisations, or a Mac app for your own keys.
Secret managers for teamsSlinky vs .env files
Plain text in the project folder, or encrypted and out of it.
Files and built-in toolsSlinky vs dotenvx
An encrypted .env you commit, or variables kept out of the repo.
Files and built-in toolsSlinky vs direnv
Variables that load when you cd, from a plain file or an encrypted vault.
Files and built-in toolsSlinky vs Keychain Access
The Mac’s built-in keychain, or an app made for keys.
Files and built-in tools