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HeyDeer vs Code Guardian

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

HeyDeer compared with Code Guardian
DetailHeyDeer logo HeyDeerCode Guardian logo Code Guardian
What it doesAI code reviews and fixes for GitHub pull requests AI skill package for code quality, security and architecture checks integrated into Claude Code and OpenAI Codex
StageNot given Established
FoundedNot given 2007
Based inSG DE
Pricing modelFreemium Paid
PricingFree: 1,000 credits first month, 300 monthly after; Starter: $9/month with 2,500 monthly credits; Pro: $39/month with 12,000 monthly credits. No seat fees. Add-on credits start at $5 for 500 credits at base rate of $10 per 1,000 credits, with volume discounts. Reviews of public repositories free up Company licence 142.80 € one-off (incl. 19% VAT, equals 120.00 € net), first 30 days of updates included. Optional subscription: 29.75 € per month incl. VAT (25.00 € net), cancellable monthly. With purchase: 22.31 € per month incl. VAT for 6 months (−25%), then 29.75 € per month.
Key features
  • Independent review model that checks all pull requests uniformly regardless of authorship
  • Dual model verification to reduce false positives
  • Autopilot for automated fixing and iteration
  • Review walkthrough showing what to read first and what to skim
  • Support for team standards via REVIEW.md and AGENTS.md
  • Configurable feedback scope (Concise, Balanced, Detailed)
  • Standard and Deep review depths for different complexity levels
  • MCP servers for additional review context
  • Works with public and private repositories
  • @heydeer mention for questions and task handoff
  • Seven quality gates enforcing approvals, migrations, dependencies, data verdicts, defect claims, option questions and legal text checks
  • Four command latches that block destructive operations before execution
  • 22 detectors built from real incidents
  • Five review modes and 15 hooks for different task sizes
  • Council of five advisers with root-cause analysis and retrospectives
  • Autopilot mode for unattended runs
  • Works on macOS, Linux and Windows with Python 3.9 or newer
  • Two separate editions for Claude Code and OpenAI Codex
  • 27 skills and 14 review agents included
What makes it different
  • Finds 78% more issues than GitHub Copilot on the same pull requests
  • No seat fees regardless of team size or number of repositories
  • Independent and uniform review across all code sources and models
  • Automated fixing with Autopilot until PR is ready to merge
  • Free reviews for open source projects up to fair-use limit
  • Proven improvement: average 5.7 points with Code Guardian vs 5.0 without across benchmark tests
  • Built from 120+ real software projects and 20+ years of development experience
  • Deterministic safety checks that block dangerous commands before execution, not after in reports
  • Buy once, use permanently with optional updates subscription
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check54 no change since last check
Trust Flow (Majestic)118
Citation Flow (Majestic)3120
Referring domains (Majestic)13196

6 details filled in for both companies.

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