kitio.aiMartinLoop vs REA
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. REA is completely free, while MartinLoop is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Governed agent loops
- Run receipts
- Cost history
- Claude Code and Codex CLI support
- Hosted run dashboard
- Binary and app inspection
- Runtime tracing
- Browser behavior analysis
- One-command agent setup
- RL environment recording
| Feature | MartinLoop | REA |
|---|---|---|
| Best for | Keeps unattended AI coding agent runs bounded and checked | Reverse engineering tools that plug into your coding agent |
| Category | Coding | Coding |
| Pricing model | Freemium | Free |
| Starting price | $49/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | MartinLoop | REA |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
REA is completely free, while MartinLoop is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Open Source Core
Free
- Full CLI
- Runs on your machine
- Apache 2.0 license
Pro
$49/mo
- Hosted dashboard
- Run receipts and cost history
- 30-day log retention
Enterprise
Contact sales
- Compliance exports
- SLA and dedicated support
- Procurement-friendly contracts
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
MartinLoop
- Full CLI is free and open source
- Works with several agent CLIs
- Tracks what each run cost
- Dashboard requires the $49 Pro plan
- Growth tier not yet available
- Still a pre-1.0 release
REA
- Works through the agent you already use
- One-command install
- Clear worked examples
- Requires Node.js and a coding agent
- Results depend on the agent's reasoning
- Reverse engineering may be restricted by software licenses
Which one should you choose?
Choose MartinLoop if you want:
- Full CLI is free and open source
- Works with several agent CLIs
- Tracks what each run cost
Watch out: dashboard requires the $49 pro plan.
Choose REA if you want:
- Works through the agent you already use
- One-command install
- Clear worked examples
Watch out: requires node.js and a coding agent.
MartinLoop vs REA FAQ
What is the difference between MartinLoop and REA?
MartinLoop: Keeps unattended AI coding agent runs bounded and checked. REA: Reverse engineering tools that plug into your coding agent. Both are coding tools.
Is MartinLoop or REA cheaper?
REA is completely free, while MartinLoop is freemium.
Do MartinLoop and REA have free plans?
MartinLoop: Yes. REA: Yes, fully free.
Who makes MartinLoop?
MartinLoop is made by MartinLoop.
Who makes REA?
REA is made by REA.
Which should I choose, MartinLoop or REA?
Choose MartinLoop if you value full cli is free and open source and works with several agent clis. Choose REA if you value works through the agent you already use and one-command install.