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MySpec vs memsync

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

MySpec compared with memsync
DetailMySpec logo MySpecmemsync logo memsync
What it doesAI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code One set of memories across every machine you work on
StageMVP Not given
FoundedNot given Not given
Based inSG US
Pricing modelFreemium Freemium
PricingFree: 20 projects, 100 spec files, 20 public share links per month. Pro: 5× AI usage limit, 100 projects, unlimited specs. Team: 10× AI usage limit per seat (2 seats minimum), unlimited projects and specs. 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
  • 4-file spec bundle generation (constitution, requirements, solution, tasks)
  • Structured interview to clarify scope and edge cases
  • Live Mermaid diagram rendering
  • ZIP export of spec bundle
  • MCP Server integration for IDE agents
  • Greenfield and Brownfield workflow support
  • EARS+ acceptance criteria format
  • Versioned diffs for spec refinement
  • Team collaboration and shared projects
  • Plain-English edits in chat
  • 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
  • Replaces vague prompts with immutable 4-file architectural contracts to prevent AI hallucinations
  • Senior Architect interview catches edge cases before coding begins
  • Supports both Greenfield and Brownfield project workflows
  • 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)22 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)110
Citation Flow (Majestic)270
Referring domains (Majestic)1000

6 details filled in for both companies.

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