Opsis vs Quick Viral Notes
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Opsis compared with Quick Viral Notes
| Detail | 
Opsis | 
Quick Viral Notes |
|---|
| What it does | Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
| Turn Substack articles into viral social posts
|
|---|
| Stage | Startup
| Startup
|
|---|
| Founded | 2026
| 2025
|
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| Based in | AU
| Not given
|
|---|
| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | Not given
| Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
|
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| Key features | - Autocomplete with Tab to accept drafts
- Error detection and fact-checking
- Cross-app integration
- Source attribution for every suggestion
- Context-aware AI assistance
- One-click pause and privacy control
- Encrypted data storage
- Read-only app connections
- Natural writing style matching
| - TYPE-FORMULA pipeline that extracts insight types (diagnostic, wisdom, contrarian, data-backed, framework, story) and applies viral structures
- Knowledge Bank to store, browse, and reuse extracted insights
- 10+ viral formula structures including parallel repetition, conditional framework, and bridge analogy
- Chrome extension for scheduling posts directly to Substack
- Rich-text editor with HTML and plain text export
- MCP integration for Claude and Cursor
- Automatic article URL processing from published or draft posts
- Priority processing for paid plan users
|
|---|
| What makes it different | - Finishes sentences from your actual work history and connected files, not generic AI
- Shows source for every suggestion so you can verify it before accepting
- Catches mistakes and contradictions between what you're writing and your work history
- Works inline in the apps you already use without installation
- You stay the author with full control over what gets written
| - Designed specifically for Substack writers with formulas trained on viral patterns
- Two-stage TYPE-FORMULA process instead of generic AI summarization
- Knowledge Bank compounds over time as more articles are processed
- From URL to scheduled post in minutes with no copy-paste needed
- Credits never expire at your own publishing pace
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 10 ▲ +2 (up) since last check |
|---|
| Trust Flow (Majestic) | 0 | 0 |
|---|
| Citation Flow (Majestic) | 12 | 15 |
|---|
| Referring domains (Majestic) | 1 | 5 |
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6 details filled in for both companies.
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