# What is the difference between Screaming Frog SEO Spider and Sitebulb?

> Screaming Frog SEO Spider and Sitebulb compete in the technical crawlers category. Screaming Frog SEO Spider starts at $279/yr (SEO Spider (1 licence)); Sitebulb starts at £95/mo (Cloud). Across the 6 features compared, Screaming Frog SEO Spider documents 4 as available and Sitebulb documents 3. Both are desktop crawlers that render JavaScript with Chromium and integrate Search Console, but only one publishes its price: Screaming Frog costs USD 279 per year and keeps a permanent free 500-URL version, while Sitebulb shows no amount for its Lite and Pro plans and its trial runs 14 days.

Updated: August 25, 2026 · 19 verified data points on this page

Canonical URL: https://avaob.com/en/compare/screaming-frog-vs-sitebulb

## Verdict

Both are desktop crawlers that render JavaScript with Chromium and integrate Search Console, but only one publishes its price: Screaming Frog costs USD 279 per year and keeps a permanent free 500-URL version, while Sitebulb shows no amount for its Lite and Pro plans and its trial runs 14 days. On limits, Lite stops at 10,000 URLs per audit and does not schedule audits; Screaming Frog schedules them on its single licence and states no URL cap.

- **Choose Screaming Frog SEO Spider if**: You want to know the exact cost up front and be able to test with no time limit.
- **Choose Sitebulb if**: You value Sitebulb's reporting interface and expect to move to recurring cloud crawls.

## Entry price and free tier

**Side-by-side comparison**

| Attribute | Screaming Frog SEO Spider | Sitebulb |
| --- | --- | --- |
| Entry price | $279/yr (SEO Spider (1 licence)) | £95/mo (Cloud) |
| Free tier | Yes, permanent | Free trial |
| Vendor | Screaming Frog Ltd | Sitebulb Ltd |

## Features compared

**Technical crawlers**

| Feature | Screaming Frog SEO Spider | Sitebulb |
| --- | --- | --- |
| JavaScript rendering | Yes | Yes |
| Scheduled crawls | Yes | Partial |
| Server log analysis | Partial | Not verified |
| Cloud hosted | No | Yes |
| Search Console integration | Yes | Yes |
| Public pricing | Yes | Partial |

## Limits compared

**SEO Spider (1 licence) / Lite**

| Limit | Screaming Frog SEO Spider | Sitebulb |
| --- | --- | --- |
| Crawlable URLs | No limit | 10,000 |
| URLs on the free version | 500 | Not verified |
| Seats included | 1 | 1 |
| Free trial days | Not verified | 14 |

## Tool profiles

- [Screaming Frog SEO Spider](/en/tools/screaming-frog)
- [Sitebulb](/en/tools/sitebulb)

## Other technical crawlers comparisons

- [JetOctopus vs Screaming Frog SEO Spider](/en/compare/jetoctopus-vs-screaming-frog)
- [JetOctopus vs Sitebulb](/en/compare/jetoctopus-vs-sitebulb)

## Frequently asked questions

### What is the difference between Screaming Frog SEO Spider and Sitebulb?

Both are desktop crawlers that render JavaScript with Chromium and integrate Search Console, but only one publishes its price: Screaming Frog costs USD 279 per year and keeps a permanent free 500-URL version, while Sitebulb shows no amount for its Lite and Pro plans and its trial runs 14 days. On limits, Lite stops at 10,000 URLs per audit and does not schedule audits; Screaming Frog schedules them on its single licence and states no URL cap.

### Choose Screaming Frog SEO Spider if

You want to know the exact cost up front and be able to test with no time limit.

### Choose Sitebulb if

You value Sitebulb's reporting interface and expect to move to recurring cloud crawls.

## Sources

Every data point on this page comes from a public vendor page:

- [Screaming Frog SEO Spider — SEO Spider pricing](https://www.screamingfrog.co.uk/seo-spider/pricing/) — Verified on August 25, 2026
- [Screaming Frog SEO Spider — SEO Spider features](https://www.screamingfrog.co.uk/seo-spider/) — Verified on August 25, 2026
- [Sitebulb — Sitebulb pricing page](https://sitebulb.com/pricing/) — Verified on August 25, 2026
- [Sitebulb — Sitebulb features](https://sitebulb.com/features/) — Verified on August 25, 2026