QED Science vs Sickle
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
QED Science compared with Sickle
| Detail | 
QED Science | 
Sickle |
|---|
| What it does | Critical Thinking AI for constructive criticism and science evaluation
| Email MCP server for Claude, Cursor and other AI agents to access every mailbox you own
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | IL
| GB
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| Pricing model | Freemium
| Free trial
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| Pricing | Not given
| Monthly: €8.99/month after 7-day free trial. Yearly: €30/year (€2.50/month equivalent, 72% savings). Includes both the Mac app and the MCP connector.
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| Key features | - Core claim extraction and validation
- Grant proposal evaluation
- Personalized research insights feed
- Validity scoring and contradiction resolution
- SOC 2 Type II and ISO 27001 compliance
- Data privacy with no model training on submissions
| - Search across multiple mailboxes simultaneously
- Read full email threads with conversation history
- Move, archive and mark emails as read
- Scoped permissions: read, change, and send separately
- Attach files up to 18 MB to drafts and emails
- Download and open email attachments
- Native macOS mail client included
- Support for multiple email providers
- Encrypted file handling during transfer
- Revoke access anytime within the hour
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| What makes it different | - Only AI platform trained on feedback from thousands of domain experts including Nobel laureates
- User manuscripts never used for model training or fine-tuning
- Provides nature-reviewer-level feedback at scale
- Built by scientists for scientists
| - Works with any MCP client, not locked to one AI platform
- No installation required; works on macOS, Windows and Linux
- Access unlimited email accounts simultaneously in one connection
- Send emails with opt-in permission and approval workflow
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 35 ▲ +2 (up) since last check | 13 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 29 | 8 |
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| Citation Flow (Majestic) | 25 | 22 |
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| Referring domains (Majestic) | 157 | 17 |
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5 details filled in for both companies.
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