Rill Browser vs Unprompt: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Rill Browser and Unprompt — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Rill Browser
Rill
Free Mac browser where your Claude Code and Codex agents work beside you, taking tasks from any page and reading the web in tabs of their own.
Key features
- Send Tasks From Any Page: Press Cmd+E on a page to hand a task to your agent, which Rill routes to the right project automatically.
- Project Auto-Detection: Finds your projects from Claude Code and Codex history with nothing to set up.
- Agent Tabs Without Your Logins: Agents read the web in tabs of their own, and you can take one over at any time.
- Safe Task Boundaries: Agents stop before paying, ordering, sending, posting or deleting, and cannot type into password, card or one-time-code fields.
- AI Tab Sorting: Groups open tabs by what you were doing while keeping your tab bar as you left it.
- Compare Tabs: Pick up to six tabs and get a table that quotes each page.
- Searchable Journal: Daily history of where you went, what you asked and what got done, with describe-to-find page recall.
- Voice Tasks (Beta): Hold Fn and speak a task for your coding agent.
Best for
- Capture Ideas In Context: Sending a coding task to your agent straight from the page where you found the idea.
- Web Research Delegation: Having an agent look up flights or products in a background tab and report back.
- Reproduce Release Notes: Testing a library change from its release notes page in the right project.
- Compare Sources: Producing a quoted comparison table across several open tabs.
- Review Agent Work: Checking what your agents did today across all projects.
- Re-find Pages: Describing a half-remembered page to locate it again.
Unprompt
Polymorph
iPhone and Mac app that measures your AI usage in tokens, API-rate cost and water, without judging it.
Key features
- Automatic Measurement: Mac reads local AI tool logs and iPhone uses Screen Time, so there is nothing to count manually.
- Evening Check-In: A one-tap daily confirmation of personal versus work AI use, with adjustments allowed.
- Pixel Calendar: Each day becomes a pixel colored against your own average, with streaks and a full-year band.
- Usage and Cost (Premium): Tokens, the API-rate cost and estimated water use over today, 30 days and full history.
- Codex Quotas and Widgets (Premium): Quota countdowns plus USAGE and LIMITS widgets.
- Milestones and Friends: 62 milestones and friend trends via QR code or link with no account needed.
- Private by Design: Data stays on device and in your iCloud, with no conversation read and no ads or tracking.
Best for
- Self-Awareness: See how much you rely on AI day to day without being blocked or lectured.
- Cost Tracking: Estimate what your token use would cost at API rates.
- Environmental Awareness: View an estimate of the water behind your AI usage.
- Work-Life Separation: Separate personal AI use from work-hours use.
- Quota Planning: Watch Codex limits and reset countdowns to avoid wasting capacity.
- Group Accountability: Compare trends with friends without sharing exact numbers.