Side by side
MarsCode vs OpenADE
Both stand on ai coding assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan ExtensionLinuxMac+2
MarsCode combines IDE plugins with a browser-based development environment and broad language support. Review its data-use terms and unlisted membership pricing before choosing a paid tier.
Visit MarsCode Free plan iPhoneLinuxMac+1
OpenADE centers on orchestrating coding agents rather than editing code manually. Its local workflow, engine choices, integrations, and rollback snapshots are available without a subscription, while Windows users should note the experimental build.
Visit OpenADEThe facts
| MarsCode | OpenADE | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension, Linux, Mac, Web, Windows | iPhone, Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 5 | 2 |
| Maker | Not published | Not published |
| Website | marscode.com | openade.ai |
| On ai coding assistants | #44 of 103 | #48 of 103 |
MarsCode: what it does well
- Code assistance covers completion, generation, explanations, and bug fixing
- Browser cloud environment needs no download
- Supports more than 100 programming languages
- Works with VS Code and JetBrains IDEs
- Free plan and 14-day trial available
What to know first
- Privacy policy allows collection of code and user content
- Collected information may be stored in the United States or Singapore
OpenADE: what it does well
- Plans and revises agent tasks before execution
- Supports Claude Code and OpenAI Codex
- Includes terminal, search, diff, and process tools
- Creates rollback-ready git patch snapshots
- Free, open source, and MIT licensed
What to know first
- No direct code editing inside OpenADE
- Windows build is experimental and largely untested
- Requires separate Claude Code or Codex API access
Alternatives to MarsCode Alternatives to OpenADE The whole list