Side by side
Admiral vs Harmonic
Both stand on ai code editors. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Mac
Admiral brings task planning, AI chats, terminal work, and Git tools into one macOS workspace. Its local storage and approval controls are notable, but GitHub review details remain on GitHub.com.
Visit Admiral Free plan Mac
Harmonic focuses on organizing parallel coding-agent work and moving completed tabs toward a merge. Its app license does not cover access to the agents, so users need their own plans and keys.
Visit HarmonicThe facts
| Admiral | Harmonic | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac | Mac |
| Lowest paid plan | Not published | Yearly: $49 a year |
| Plans published | None | 4 |
| Maker | Not published | Not published |
| Website | admiralai.dev | harmonic.build |
| On ai code editors | #16 of 26 | #20 of 26 |
Admiral: what it does well
- Supports Claude Code and the Codex CLI
- Includes terminal, Git tools, diffs, and file browsing
- Planner organizes issues into four workflow stages
- AI-requested edits and commands require approval
What to know first
- Requires macOS 15.0 or later
- Pull request features support GitHub only
- Planner does not sync with external tools
- No extensions support
Harmonic: what it does well
- Runs multiple agent sessions in separate tabs
- Each tab has its own Git worktree
- Supports multiple GitHub accounts
- Free plan needs no card or account
What to know first
- Requires macOS 11 or later
- Agent access and AI usage are not included
- Mid-conversation agent switching is on Pro
Alternatives to Admiral Alternatives to Harmonic The whole list