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KOPY vs memsync

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

KOPY compared with memsync
Detail KOPYmemsync logo memsync
What it doesAI keyboard for iPhone that generates perfect replies in seconds One set of memories across every machine you work on
StageStartup Not given
Founded2026 Not given
Based inUS US
Pricing modelFreemium Freemium
PricingKOPY 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). 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
  • 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
  • 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
  • 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
  • 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)10 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)210
Referring domains (Majestic)260

6 details filled in for both companies.

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