Responsive Tool vs Caprock
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Responsive Tool compared with Caprock
| Detail | 
Responsive Tool | 
Caprock |
|---|
| What it does | Free responsive website checker for mobile, tablet and desktop
| The ledger of every coding agent you run
|
|---|
| Stage | Not given
| Startup
|
|---|
| Founded | Not given
| 2026
|
|---|
| Based in | Not given
| US
|
|---|
| Pricing model | Free
| Not given
|
|---|
| Pricing | Not given
| Free Community Edition with 83 features. Premium: $30 per year or $100 once. Teams in your VPC: $6,000 per year or $1,000 per month plus $500 setup.
|
|---|
| Key features | - Test multiple device viewports simultaneously
- Real CSS viewport rendering
- Share setup links
- Custom pixel width testing
- No installation required
- Sync scroll across panes
- Browser-based with no account needed
| - Track who is waiting on you and who is stuck across agents
- Live plan limits for Claude and Codex
- Cost per pull request and repository at API list price
- Run Claude Code, Codex, OpenCode and Gemini CLI in terminal tabs
- Follow branches from agent to pull request, CI, merge and release
- Loop alerts when a session calls the same tool five times in three minutes
- Search session history after Claude Code deletes transcripts
- Pair phone by QR code for access from anywhere
- Auto-pause sessions at daily budget limit (Premium)
- Run tasks unattended with automatic verification
|
|---|
| What makes it different | - Compare multiple real device widths side by side instead of switching one at a time
- Faster than DevTools for checking several device sizes at once
- Entirely browser-based with no setup, signup or download
- Built and maintained by one developer in the open
| - Works with multiple agents on the same machine in one unified ledger
- Prices agent work at API list price with cost per pull request and repository
- Team version runs in your VPC with one flat price for all machines
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 12 ▲ +1 (up) since last check |
|---|
| Trust Flow (Majestic) | 1 | 0 |
|---|
| Citation Flow (Majestic) | 25 | 21 |
|---|
| Referring domains (Majestic) | 14 | 14 |
|---|
3 details filled in for both companies.
More alternatives to Responsive Tool More alternatives to Caprock