| What it does | AI agents test your app like a human, at machine speed
| Human evaluation for text-to-speech with blinded listening studies
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| Stage | Startup
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| Founded | 2024
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| Based in | Not given
| US
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| Pricing model | Not given
| Paid
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| Pricing | Free plan with $3 credits to start; Pay as you go plan starting at $0/month with credits purchased as needed; Scale plan at $149/month with unlimited script minutes, $25 AI credits included, up to 5 parallel tests, and unlimited team members.
| $18.00 per hour of audio heard by listeners; $0.30 per judgement on a pair of two 30-second clips; $300.00 for 200 pairs × 5 ratings with 30-second clips (1,000 judgements)
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| Key features | - Plain-English test creation - describe tests like explaining to a teammate without code or selectors
- AI test generation - convert natural language descriptions to runnable tests in minutes
- Self-healing tests that adapt to UI changes automatically without breaking
- Export standard Playwright code you can run anywhere without lock-in
- CI/CD integration with GitHub Actions, GitLab CI, and other pipelines
- Scheduled monitoring and alerts for critical flows
- Mobile and tablet testing on real devices
- Multi-step test pipelines with data passing between steps
- Agent-native testing with MCP server and CLI for AI coding agents
| - Blinded paired-preference studies with no system names visible
- API for creating studies and retrieving results
- Exact price quote before study starts
- Per-judgement data export as CSV
- Paid US-based listener panel
- Attention signals recorded with every judgement
- Live results streaming as listeners answer
- Detection template for AI vs human narration
- Published methodology and platform transparency
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| What makes it different | - No scripts or selectors required - describe tests in plain English
- Tests complete in minutes instead of hours with instant feedback
- Near-zero maintenance as AI adapts to UI changes automatically
- Own the generated Playwright code with no vendor lock-in
- Handles complex flows like authentication, MFA, and multi-step wizards
| - Publishes its own listening studies on the same platform with the same methodology as customer studies
- Forced-choice preference testing answers which system people prefer, not rating scales
- Fast turnaround with live result streaming and no minimum study size
- Transparent pricing with no setup fees or minimums, quoted before starting
- Customer audio stored securely and used only for that study
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 6 ● no change since last check | 8 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 9 |
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| Citation Flow (Majestic) | 28 | 24 |
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| Referring domains (Majestic) | 78 | 69 |
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Woodstitch