developer.apple.com
In short: Apple App Store (developer.apple.com) accepts ios and macos app listing. It is paid to submit, takes a moderate amount of preparation, and scores 74/100 on our impact ranking (useful).
Ship a real your tool iOS or macOS app and add the product, support and privacy URLs in App Store Connect.
Requires Apple Developer membership, native app functionality, privacy disclosures and successful App Review.
Priority is high, which sets the band. It is paid and moderate to complete, which adjusts it within that band. The score ranks your queue — it is not a measure of domain authority.