Head-to-Head Comparison
| Feature | Blog Post Outline Generator | Surfer SEO |
|---|---|---|
| Price | Free, no limits | $99-$219/month |
| Outline approach | AI-generated from topic | NLP + SERP analysis |
| Signup required | No | Yes |
| Content score | No | Yes (real-time optimization score) |
| Word count guidance | No | Yes (optimal length recommendation) |
| Keyword density | No | Yes (NLP term suggestions) |
| Google Docs integration | No | Yes (Chrome extension) |
Surfer SEO has become the default content optimization tool for SEO professionals. Its core feature is the Content Editor — a real-time scoring system that analyzes your draft against the top-ranking pages and tells you what to add, remove, or adjust. Outlines are just one piece of that system.
Optimization vs Generation
Txtory generates outlines. Surfer optimizes them. Txtory asks "what should this post cover?" and answers from AI knowledge. Surfer asks "what does this post need to rank?" and answers from data. The ideal workflow uses both: start with Txtory's quick outline for structure, then validate and expand it with Surfer's SERP-driven recommendations.
The Content Score
Surfer's real-time content score is addictive for SEO writers — it goes up as you add relevant terms and structure your content to match what Google rewards. Txtory has no scoring system. You get an outline and trust that it covers the topic well. For casual content that works, but for competitive keywords the score provides actionable guidance.
The Bottom Line
Txtory is the free starting point for blog post structure. Surfer SEO is the professional tool for content that needs to rank. The $99/month price tag means Surfer only makes sense when search traffic has real business value — but when it does, the ROI is usually clear.