Research App Store keywords, translate metadata with your own OpenAI key, and review global pricing
Stable domains for local development ports, eliminating conflicts with free open-source tunnels and paid cloud options
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
Not given
Pricing model
Free
Freemium
Pricing
$0 free to use for the current release. OpenAI API usage for AI translation is billed separately to your API account.
Free and Open Source: $0 (unlimited local tunnels, open source); Professional: $49/mo or $490/yr (unlimited cloud tunnels, visitor auth, feedback comments); Team: $149/mo or $1,490/yr (everything in Professional plus unlimited members, teams, shared subdomains, approvals, organization billing); Ente
Key features
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
Stable local domains (*.portzero.local) for processes and containers
Cloud tunnels (*.tunnel.portzero.cloud) with HTTPS for LAN and internet access
Support for multiple programming languages
Git worktree support with per-branch URLs
AI agent integration with MCP server
Visitor authentication and access control
Feedback comments on live tunnels
Team access policies and approvals
Audit log (Enterprise plan)
Organization billing with no per-seat charges
What makes it different
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
Eliminates port conflicts by assigning stable virtual domains instead of port numbers
Free and open source for local use; no additional cost for cloud features on paid plans
Flat pricing with no meters, overages, or per-seat charges
Agent-ready with native MCP server integration for AI coding agents
Works across multiple OS and languages with zero port bookkeeping required
ASO Engine
Port Zero