# Context Data vs onUI — Fit & Features

Canonical: https://trutool.co/compare/context-data-vs-onui
Author: Snehil (https://trutool.co/authors/snehil)

Compare Context Data and onUI by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Context Data
InterLock is a proxy between AI agents and your databases, files and APIs. It authorizes every request by role and policy, redacts sensitive fields, holds risky writes for approval and audits everything. No changes to your agents.
Best fit: People and teams evaluating ai agents for a specific workflow.
- Data workflows
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://contextdata.ai
- [Read Context Data profile](https://trutool.co/tools/context-data): Read Context Data profile

### onUI
Annotate/Draw any web UI for AI agents and export structured context, no app code changes required.
Best fit: People and teams evaluating ai agents for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read onUI profile](https://trutool.co/tools/onui): Read onUI profile