ProseScore vs Yoast
Yoast is a WordPress SEO plugin with a readability analyzer built in. ProseScore is a standalone readability tool that works in any browser — no CMS required.
Try ProseScore free →No sign-up required. Free tier available immediately.
Side-by-side comparison
| Feature | ProseScore | Yoast |
|---|---|---|
| Type | Standalone web app | WordPress plugin |
| Price | Free tier / Pro $3.99/mo | Free / Premium $99/yr |
| Readability formulas | 8 formulas + consensus grade | Flesch Reading Ease only |
| Sentiment analysis | ✓ | — |
| Keyword extraction | ✓ | Keyword density only |
| SEO scoring | ✓ | ✓ WordPress-specific |
| Privacy | Runs offline in browser | Requires WordPress |
| Platform | Any browser | WordPress only |
| Requires CMS | No | Yes (WordPress) |
| Open source | ✓ MIT license | Partially (GPL) |
Why choose ProseScore over Yoast readability
Works anywhere, no WordPress needed
ProseScore runs in any browser. Analyze blog drafts, documentation, emails, or marketing copy without installing a CMS.
8 formulas vs 1
Yoast uses Flesch Reading Ease as its only readability metric. ProseScore runs 8 formulas and averages them into a consensus grade for a more reliable score.
Runs offline, keeps your text private
ProseScore runs entirely in your browser. Your text is never sent to a server. Yoast requires a WordPress installation with server-side processing.
Free tier is generous
Get Flesch-Kincaid, word count, and reading time for free. Pro unlocks all 8 formulas, sentiment, keywords, and SEO scoring for $3.99/mo.
When to use each
Use ProseScore for standalone content analysis
If you write content outside WordPress — docs, emails, articles, marketing copy — ProseScore gives you readability, sentiment, keywords, and SEO scoring in one tool.
Use Yoast for WordPress-integrated SEO
If your content lives in WordPress and you need on-page SEO features (meta tags, sitemaps, schema markup) alongside readability, Yoast integrates directly into the editor.
Also compare
Try ProseScore free
No account, no email, no credit card. Paste your text and get results instantly.
Open ProseScore →Pro from $3.99/mo or $19.99 lifetime — all 8 formulas, sentiment, SEO scoring, export