Zyntra vs inputprobe
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Zyntra compared with inputprobe
| Detail | Z
Zyntra | 
inputprobe |
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| What it does | Email testing API for sign-up and password-reset flows
| Browser-based measurement tools for mice, keyboards and game controllers
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | PL
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free: 150 emails/month, 500 API requests/month. Starter: $9/month billed yearly or $11/month billed monthly, 10,000 emails/month. Pro: $29/month billed yearly or $39/month billed monthly, 50,000 emails/month.
| Not given
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| Key features | - REST API to read emails
- Automatic link extraction from emails
- Node.js SDK for testing
- MCP server for AI agents
- Web dashboard for manual QA
- Works with any HTTP test framework
- Email attachment support
- 30-second wait for email arrival
- Separate inboxes per test run with unique tags
- Variable mail retention by plan
| - Reaction time testing against unpredictable signals
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| What makes it different | - No inbox creation needed to start testing
- Real email delivery path through your own provider
- Unique inbox per test run prevents parallel test interference
- Links already extracted from emails for easy testing
- Three ways to read emails: API, web viewer, or AI agent
| - All measurements run locally in browser with no uploads or accounts required
- Measurements use individual device timestamps instead of counting frames
- Every verdict quotes the numbers it was based on rather than stating conclusions with false confidence
- No third-party analytics, tracking or external requests on the site
- Hardware validation documented for each measurement method
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ● no change since last check | 45 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 18 |
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| Citation Flow (Majestic) | 28 | 25 |
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| Referring domains (Majestic) | 63 | 15 |
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4 details filled in for both companies.
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