Skip to main content

Perry the Prompter vs KeepPlain

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

Perry the Prompter compared with KeepPlain
DetailPerry the Prompter logo Perry the PrompterKeepPlain logo KeepPlain
What it doesHelp your AI understand you. Memory, rules and git blame for your coding agents
StageNot given Startup
FoundedNot given Not given
Based inDE DE
Pricing modelFreemium Freemium
PricingFree: €0 (5 improvements a week, 2 question rounds a week, access to all seven chat apps, no account needed). Pro, monthly: €4.99/month or €59.88/year (unlimited improvements, more thorough model, history and prompt library, profile synced across computers). Students: 30% discount (€3.49/month bille Free for personal use with all features; Team plan $20 per active seat per month, billed yearly (minimum 3 seats). First 10 teams pay $10 per active seat for 12 months.
Key features
  • Rewrites rough prompts into clear, structured versions
  • Works across seven AI chat apps
  • Personalized profile for tone and detail preferences
  • Leaves blanks instead of guessing missing details
  • Prompt history and library for Pro users
  • Profile syncs across multiple computers
  • Session storage with secret redaction on local machine before upload
  • Git blame integration showing which agent session wrote each code line
  • Memory across agents allowing pickup of previous work
  • Handoff between agents when Claude hits token limits
  • Rules from corrections that persist across all agent sessions
  • Session condensing showing only key moments and code
  • Team rules reviewed like pull requests before reaching agents
  • Team memory persisting when members leave
  • Session attribution on pull requests showing which commits came from sessions
  • MCP server for agents to search and learn from shared sessions
What makes it different
  • Works with seven AI chat apps at once, not just ChatGPT
  • Runs on paid-tier Google Gemini, which does not train on prompts
  • Built in Germany with GDPR privacy from the start
  • Free plan with no account required to start
  • Real sessions only, no fabricated runs, showing actual agent failures and interventions
  • Secrets redacted on your machine before any data leaves, with server-side verification
  • Open source MIT plugin with full control over your data
  • Works with five different coding agents from one plugin
  • Team data stays on your own PostgreSQL server if you choose
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)2 +2 (up) since last check10 no change since last check
Trust Flow (Majestic)32
Citation Flow (Majestic)1335
Referring domains (Majestic)110

6 details filled in for both companies.

More alternatives to Perry the Prompter More alternatives to KeepPlain

Help centre