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HeyDeer vs KOPY

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 KOPY
DetailHeyDeer logo HeyDeer KOPY
What it doesAI code reviews and fixes for GitHub pull requests AI keyboard for iPhone that generates perfect replies in seconds
StageNot given Startup
FoundedNot given 2026
Based inSG US
Pricing modelFreemium Freemium
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 KOPY Pro: $10.00/month billed annually (all 4 modes, all 10 reply tones, 1,000 replies per month, personalization profiles, custom modes and tones). Own Key: $12.99 one-time purchase (all 4 modes, all 10 reply tones, use your own OpenAI key, no monthly fees).
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
  • Four reply modes: Social, Work, Dating, and Insight
  • 10 reply tones including Agree, Disagree, Funny, Insight, Neutral, Rizz, Spicy, Question, Continue, and Professional
  • Works in any iOS app with a text field including WhatsApp, iMessage, Tinder, Gmail, Slack, and more
  • Privacy-first with no message storage
  • Personalization profiles
  • Custom modes and tones
  • 1,000 replies per month with KOPY Pro
  • Bring Your Own Key option to use personal OpenAI API key
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
  • Native iOS keyboard that works in every app without switching or copy-pasting
  • Replies that sound natural and match the user's voice, not robotic
  • Context-aware replies that adapt to conversation, platform, and relationship
  • Privacy by default with no message logging or storage
  • Option to use your own OpenAI API key to avoid monthly subscription fees
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 check10 no change since last check
Trust Flow (Majestic)16
Citation Flow (Majestic)3121
Referring domains (Majestic)1326

6 details filled in for both companies.

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