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Code Guardian vs memsync

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

Code Guardian compared with memsync
DetailCode Guardian logo Code Guardianmemsync logo memsync
What it doesAI skill package for code quality, security and architecture checks integrated into Claude Code and OpenAI Codex One set of memories across every machine you work on
StageEstablished Not given
Founded2007 Not given
Based inDE US
Pricing modelPaid Freemium
PricingCompany 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. Mac app free with no account on one machine; $15 per month to sync every machine with 14 days free trial; iPhone app $7.99 once.
Key features
  • 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
  • Session capture from Claude Code, Codex and Cursor on Mac and Linux
  • Full-text search over all memories by project, kind and machine
  • MCP tools in every session for search, recent, status and machines
  • Search from any browser at mem.i8l.tech
  • Local viewer on 127.0.0.1 answering from hub or local mirror
  • Project exclude list kept locally to prevent capture
  • Export everything as SQLite file with one-click deletion
  • One token per machine, revocable without affecting other machines
  • Sync every 15 minutes using content identity
What makes it different
  • 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
  • Content identity ensures the same memory from multiple machines lands once safely
  • Free on one Mac with no account or setup required
  • Memories retained 30 days after subscription ends for export
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)55 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)180
Citation Flow (Majestic)200
Referring domains (Majestic)1960

6 details filled in for both companies.

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