qsa.sh vs Screaming Frog SEO Spider: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for qsa.sh and Screaming Frog SEO Spider side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
qsa.sh
External port and vulnerability scans from your terminal
Best for you if:
- • You want zero installation, just run curl; no agent or software to deploy
Screaming Frog SEO Spider
Website crawler for SEO audits
Best for you if:
- • You want powerful crawling
| At a Glance | qsa.sh | Screaming Frog SEO Spider |
|---|---|---|
Starts at | Free plan, paid from $5/mo, billed monthly Full Pro plan | Free plan, paid from $279/year Licensed plan |
Category | Security Vulnerability Scanning | SEO Tools Analytics |
Rating | n/a | 4.8/5 Capterra 4.9 · G2 4.7 218 reviews |
Free plan | Yes | Yes |
Choose qsa.sh or Screaming Frog SEO Spider?
Choose qsa.sh if
- You want zero installation, just run curl; no agent or software to deploy
- You want transparent and auditable, uses only public open-source tools, no black box
- You work in security, not SEO tools
Choose Screaming Frog SEO Spider if
- You want powerful crawling
- You want free version available
- You work in SEO tools, not security
In-Depth Analysis
qsa.sh
External port and vulnerability scans from your terminal
The pricing is generous for casual use with a free tier that covers the top 1,000 ports, but the $5/mo Full Pro tier is a steal for continuous scanning of all ports, while $7/scan for Deep is steep for occasional use.
Strengths
- Pro: Zero installation, just run curl; no agent or software to deploy.
- Pro: Transparent and auditable, uses only public open-source tools, no black box.
- Pro: Strictly limited to scanning your own IP, with consent gate and opt-out for operators.
Weaknesses
- Con: IPv4 only, IPv6 connections are refused.
- Con: Free scan limited to one per 24 hours and only top 1,000 ports; Full and Deep require payment.
Key features
Screaming Frog SEO Spider
Website crawler for SEO audits
Screaming Frog's pricing is fair, offering a robust free tier for small projects and a competitive annual license.
Strengths
- Pro: Powerful crawling
- Pro: Free version available
- Pro: Industry standard
Weaknesses
- Con: Desktop only
- Con: Technical interface
Key features
Plans and prices: qsa.sh vs Screaming Frog SEO Spider
| Tool | Plans and prices | Source |
|---|---|---|
| qsa.sh |
| qsa.sh/pricing read Oct 20, 2026 |
| Screaming Frog SEO Spider |
| screamingfrog.co.uk/pricing read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on qsa.sh pricing and Screaming Frog SEO Spider pricing.
Key Takeaways
qsa.sh
- Choose if you want external port and vulnerability scans from your terminal
Screaming Frog SEO Spider
- Choose if you want website crawler for SEO audits
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Screaming Frog SEO Spider has a published user rating (4.8/5 from 218 reviews); qsa.sh has none we can show.
- Entry prices are not ranked, they are charged on different bases: qsa.sh $5/mo, billed monthly; Screaming Frog SEO Spider $279/year.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do qsa.sh and Screaming Frog SEO Spider compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Screaming Frog SEO Spider has a published user rating (4.8/5 from 218 reviews); qsa.sh has none we can show. Entry prices are not ranked, they are charged on different bases: qsa.sh $5/mo, billed monthly; Screaming Frog SEO Spider $279/year. Both have a free plan.
What are qsa.sh and Screaming Frog SEO Spider used for?
qsa.sh: External port and vulnerability scans from your terminal. Screaming Frog SEO Spider: Website crawler for SEO audits.
What does qsa.sh cost vs Screaming Frog SEO Spider?
qsa.sh's cheapest paid plan is Full Pro at $5/mo, billed monthly; it also has a free plan. Screaming Frog SEO Spider's cheapest paid plan is Licensed at $279/year; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 20, 2026.
What's the main difference between qsa.sh and Screaming Frog SEO Spider?
qsa.sh's main strength: zero installation, just run curl; no agent or software to deploy. Screaming Frog SEO Spider's main strength: powerful crawling.