SEODevil vs Sitebulb
Sitebulb is a website crawler known for clear explanations and visual reports, available as a desktop app or in the cloud. SEODevil audits your key pages in the browser and helps you apply the fixes.
Sitebulb is the better pick for auditing whole sites and presenting findings to clients, with some of the clearest issue explanations of any crawler. SEODevil is the better pick if you want a free plan, fix code for each issue, and fixes applied to WordPress or GitHub.
Side-by-side comparison
| Feature | SEODevil | Sitebulb |
|---|---|---|
| Type | Web app, nothing to install | Desktop app for Windows and macOS, or Sitebulb Cloud |
| Free version | Yes, no card needed | No; 14-day free trial, no card needed |
| Paid price | Free; Pro $29/month; Agency $99/month | Monthly desktop licences (Lite, Pro); Cloud from £95/month |
| Crawl scope | One page per audit; monitoring covers up to 25 URLs on paid plans | Whole site: 10,000 URLs per audit on Lite, 500,000 on Pro |
| JavaScript rendering | Yes, renders with headless Chrome when a page needs it | Yes |
| Prioritized action plan | Every issue scored by severity and turned into a task list | Hints ranked by importance, with detailed explanations |
| Fix code for each issue | AI writes the fix for each issue, ready to paste (5 free, unlimited on paid) | No |
| Apply fixes to your site | Writes title, meta description and image alt text to WordPress, or opens a GitHub pull request (Pro) | No |
| Ongoing monitoring | Homepage daily on Free; 25 URLs hourly on paid, with email and Slack alerts | Scheduled audits |
| AI crawler access checks | robots.txt rules for 14 AI bots, firewall and CDN blocks, llms.txt | Manual: set a custom user agent for a crawl |
| Google Search Console | Yes; shows clicks and impressions before and after each fix | Yes, as data inside audits |
Sitebulb details are from its website in October 2026. Prices and features change, so check their site for the latest.
Where Sitebulb is stronger
- Crawls whole sites, with crawl maps and charts that make large-site problems easy to see.
- Very clear explanations of why each issue matters, useful for training and client work.
- Accessibility checks alongside SEO.
- Polished, presentation-ready reports.
Where SEODevil is stronger
- A free plan with no time limit.
- Runs in the browser, with no desktop licence to manage.
- Fix code written for each issue, and fixes applied to WordPress or GitHub.
- Cloud monitoring with email and Slack alerts on paid plans.
- AI search checks: AI crawler access, llms.txt and tracked prompts.
Which one should you choose?
Choose Sitebulb if you audit large or many client sites and need visual, explainable reports.
Choose SEODevil if you look after your own site or a few clients and want issues fixed and monitored with less manual work.
The free plan runs full audits with no card needed.
Frequently asked questions
Does Sitebulb have a free plan?
Sitebulb offers a 14-day free trial but no free plan. SEODevil has a free plan with no time limit and no card needed.
Which is better for agencies, Sitebulb or SEODevil?
For agencies that audit large client sites and deliver detailed reports, Sitebulb. For agencies that manage WordPress sites or code repositories and want to ship fixes quickly and prove their impact, SEODevil.
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