Code Review

Best Code Review Tools 2026

Review and collaborate on code.

1
GitHub

GitHub

Code hosting and review.

4.6(28,000)
Free
Pull requestsReviewsActionsIssuesCopilotSecurity
Industry standard
Great ecosystem
Free tier
Microsoft owned
Learning curve
Best for: Most developersVisit Site
2
GitLab

GitLab

DevOps platform.

4.5(8,200)
Free
Merge requestsCI/CDSecurityPlanningSelf-hostedDevSecOps
All-in-one DevOps
Self-hosted option
CI/CD
Complex
Resource heavy
Best for: DevOps teamsVisit Site
3
Reviewable

Reviewable

GitHub code review.

4.4(580)
$10/mo
Line commentsReview trackingCustomizableGitHub integrationDispositionSearch
Detailed reviews
GitHub native
Tracking
GitHub only
Learning curve
Best for: Thorough reviewsVisit Site
4
Phabricator

Phabricator

Open source code review.

4.2(920)
Free
DifferentialAuditTasksWikiRepositorySelf-hosted
Open source
Comprehensive
Self-hosted
Discontinued
Complex setup
Best for: Self-hosted teamsVisit Site
Last updated: March 2026

What is Code Review Software?

Code review software facilitates the systematic examination of source code changes by team members before merging into the main codebase. These tools display code diffs, enable inline commenting, manage approval workflows, and track review status across pull requests or changesets. Beyond manual review, automated code review tools use static analysis, linting, and AI to identify bugs, security vulnerabilities, and code quality issues. Integration with CI/CD pipelines ensures reviews happen before code is deployed. Code review is a proven practice for improving code quality, sharing knowledge, and catching defects early. The best tools make the review process efficient and collaborative rather than a bottleneck.

Key Features to Look For

Diff Visualization

Display code changes with syntax highlighting, side-by-side or unified views.

Inline Comments

Comment on specific lines of code with threaded discussions and resolution tracking.

Approval Workflows

Require specified number of approvals before merge with CODEOWNERS-based routing.

Automated Analysis

Run linters, static analysis, and AI review alongside human review.

Review Metrics

Track review turnaround time, throughput, and participation across the team.

CI/CD Integration

Gate merges on review approval status and automated check results.

How Much Does This Software Cost?

GitHub pull requests are included in all plans (free for public repos, from $4/user/month for teams). GitLab merge requests are included from free tier up. Bitbucket (Atlassian) starts free for small teams. Gerrit is free and open-source. ReviewBoard is free and open-source. Crucible (Atlassian) costs $10 for 10 users. Codacy and CodeClimate for automated review start at $15/user/month.

Frequently Asked Questions

How We Evaluate This Software

VendorPick rankings are based on verified user reviews, transparent pricing data, and feature analysis — never pay-to-play placements. Vendors cannot pay to influence their ranking or placement on our platform.

Our team regularly updates pricing, features, and review data to ensure accuracy. We aggregate reviews from multiple trusted sources and weight recent reviews more heavily to reflect the current state of each product.

Have feedback or see something outdated? Let us know — we prioritize keeping our data current and trustworthy.