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RetroFill vs Spacemail for Claude

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

RetroFill compared with Spacemail for Claude
DetailRetroFill logo RetroFillSpacemail for Claude logo Spacemail for Claude
What it doesFill your GitHub contribution graph with real, backdated commits Free MCP connector for Claude to access Spacemail email
StageNot given Not given
FoundedNot given Not given
Based inCA GB
Pricing modelFreemium Open source
PricingFree: preview and first fill up to 7 days and 20 commits. Coffee: $5 USD one-time for one 365-day window. Time Machine: $12 USD one-time for every year since you joined. Autopilot: $3.99 USD per month or $29 USD per year for streak insurance with automatic commits on missed days. Free
Key features
  • Live preview on your real graph with no sign-in required
  • Realism engine with six personas and seeded rerolls
  • Manual painting with brushes 1–4
  • Gap-only mode to respect existing contributions
  • Text and pixel art mode on Time Machine and Autopilot
  • One-click undo that deletes the generated repository
  • Private repository support on Time Machine and Autopilot
  • Contribution Doctor preflight checks
  • Autopilot streak insurance with configurable commit frequency
  • Multi-repo spread up to three repositories on Time Machine and Autopilot
  • Check new mail across all mailboxes with message previews
  • Search emails by sender, subject, words or date
  • Read full email messages with attachment names
  • Draft threaded replies and new emails saved to Drafts
  • Mark messages as read or unread and flag important ones
  • Archive, move or delete messages to Trash
  • Works with Claude Desktop, Claude Code, Cursor and Windsurf
  • Support for up to three mailboxes
  • Drafts saved for manual review before sending
  • Data stays on your computer, not collected by Norwich Website Design
What makes it different
  • Real, inspectable commits with no hidden activity
  • Realistic patterns based on developer behavior modeling
  • Preview before payment on your real GitHub graph
  • Complete undo in one click with automatic account restoration
  • Timezone-aware commits with proper timestamp handling
  • Free and open-source under MIT licence
  • Email content marked as untrusted to prevent phishing attacks
  • Deleted messages go to Trash, not permanently deleted
  • Independent project not affiliated with Spaceship or Spacemail
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 check44 −1 (down) since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)134
Referring domains (Majestic)13

6 details filled in for both companies.

More alternatives to RetroFill More alternatives to Spacemail for Claude

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