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RetroFill vs ASO Engine

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 ASO Engine
DetailRetroFill logo RetroFillASO Engine logo ASO Engine
What it doesFill your GitHub contribution graph with real, backdated commits Research App Store keywords, translate metadata with your own OpenAI key, and review global pricing
StageNot given Not given
FoundedNot given Not given
Based inCA US
Pricing modelFreemium Free
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. $0 free to use for the current release. OpenAI API usage for AI translation is billed separately to your API account.
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
  • Keyword research with estimated popularity and difficulty scores
  • Competitor analysis showing public app listings and keyword rankings
  • App rank tracker for monitoring position by country
  • Metadata translation using your own OpenAI API key
  • Price Parity for reviewing in-app purchase and subscription pricing across territories
  • Protected Keychain credential storage
  • Apple Silicon and Intel Mac support
  • Native Mac app with no browser dashboard required
  • Drafts and review workflow before publishing changes
  • macOS 15 or later support
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
  • Native Mac app designed specifically for App Store research workflow, not a web dashboard
  • You control your own credentials and API keys stored in the Mac's Data Protection Keychain
  • Use your own OpenAI key for metadata translation with no separate AI service subscription
  • Review and edit translations and pricing changes as drafts before publishing to App Store Connect
  • No account or checkout required to download and use the current free release
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 check9 −3 (down) since last check
Trust Flow (Majestic)07
Citation Flow (Majestic)1320
Referring domains (Majestic)16

6 details filled in for both companies.

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