RuboCop vs Semgrep: 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 RuboCop and Semgrep 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:
RuboCop
Ruby static code analyzer and formatter
Best for you if:
- • You want a fully free tool (Semgrep requires payment)
Semgrep
Static analysis for finding bugs
Best for you if:
- • You want code analysis tool
| At a Glance | RuboCop | Semgrep |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $30/seat/mo, billed monthly Teams plan |
Category | Testing & QA Developer Tools | Testing & QA Security |
Rating | n/a | 4.6/5 G2 4.6 56 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Modules are priced separately ($30 each for SAST and SCA, $15 for Secrets) |
Choose RuboCop or Semgrep?
Choose RuboCop if
- You want a fully free tool (Semgrep requires payment)
- You want ruby linter
- You want style enforcer
Choose Semgrep if
- You want code analysis tool
- You want good pattern matching
In-Depth Analysis
RuboCop
Ruby static code analyzer and formatter
RuboCop's pricing is exceptionally fair and generous, as it is entirely free.
Strengths
- Pro: Ruby linter
- Pro: Style enforcer
- Pro: Auto-fix
- Pro: Active development
- Pro: Good defaults
Weaknesses
- Con: Ruby only
- Con: Opinionated
- Con: Configuration heavy
- Con: Slow on large projects
- Con: Learning curve
Key features
Semgrep
Static analysis for finding bugs
Semgrep has a useful free edition for up to 10 contributors and 10 private repos.
Watch out
Modules are priced separately ($30 each for SAST and SCA, $15 for Secrets)
Strengths
- Pro: Code analysis tool
- Pro: Good pattern matching
- Pro: Multi-language
- Pro: Active development
- Pro: Good for security
Weaknesses
- Con: Learning curve
- Con: Enterprise features paid
- Con: False positives
- Con: Configuration needed
- Con: Resource usage
Key features
Plans and prices: RuboCop vs Semgrep
| Tool | Plans and prices | Source |
|---|---|---|
| RuboCop |
| rubocop.org read Sep 28, 2026 |
| Semgrep |
| semgrep.dev/pricing read Nov 1, 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 RuboCop pricing and Semgrep pricing.
Key Takeaways
RuboCop
- Choose if you want ruby static code analyzer and formatter
Semgrep
- Choose if you want static analysis for finding bugs
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 Semgrep has a published user rating (4.6/5 from 56 reviews); RuboCop has none we can show.
- Semgrep starts at $30/seat/mo, billed monthly; RuboCop has no public paid plan price on file.
- 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 RuboCop and Semgrep 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 Semgrep has a published user rating (4.6/5 from 56 reviews); RuboCop has none we can show. Semgrep starts at $30/seat/mo, billed monthly; RuboCop has no public paid plan price on file. Both have a free plan.
What are RuboCop and Semgrep used for?
RuboCop: Ruby static code analyzer and formatter. Semgrep: Static analysis for finding bugs.
What does RuboCop cost vs Semgrep?
RuboCop is free. Semgrep's cheapest paid plan is Teams at $30/seat/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between RuboCop and Semgrep?
RuboCop's main strength: ruby linter. Semgrep's main strength: code analysis tool.