appdex-mcp

MCP server for iOS App Store revenue & download estimates — ask any app's numbers straight from Claude Desktop, Cursor, or any MCP-capable agent.

Every figure ships with a confidence label (verified · calibrated · modeled) instead of a fake-precise single number, so an agent can tell the difference between a measured fact and an estimate.

> How much does Duolingo make?

  app:                Duolingo: Language Lessons
  category:           Education
  monthly_revenue:    $48.0M – $48.0M
  monthly_downloads:  5.0M – 5.0M
  confidence:         calibrated
  report_url:         https://app-dex.com/a/duolingo-language-lessons-570060128

Install

1. Get a free API key → https://app-dex.com/account (50 requests/day, no card).

2. Add the server to your MCP host.

<details open> <summary><b>Claude Desktop</b> — <code>claude_desktop_config.json</code></summary>

{
  "mcpServers": {
    "appdex": {
      "command": "npx",
      "args": ["-y", "appdex-mcp"],
      "env": { "APPDEX_API_KEY": "adx_your_key_here" }
    }
  }
}

</details>

<details> <summary><b>Cursor</b> — <code>.cursor/mcp.json</code></summary>

{
  "mcpServers": {
    "appdex": {
      "command": "npx",
      "args": ["-y", "appdex-mcp"],
      "env": { "APPDEX_API_KEY": "adx_your_key_here" }
    }
  }
}

</details>

3. Restart the host. Ask: “What does Calm earn per month on iOS?”

Tools

Tool	What it does
estimate_app	Monthly revenue + downloads for one iOS app, with a confidence label. Accepts an app name or a numeric App Store id.
search_apps	Resolves a name to App Store ids (no figures) — use it to feed estimate_app.

Tiers

	Free	Paid
Requests / day	50	5,000
Revenue & downloads	ranges	ranges + point estimates
Confidence label	✅	✅
US chart rank, revenue-per-install	—	✅

Upgrade at https://app-dex.com/pricing. The same key works for both tiers.

Configuration

Env var	Default	Notes
APPDEX_API_KEY	—	Required. From https://app-dex.com/account
APPDEX_API_URL	https://app-dex.com	Override only for self-hosted/staging

APPINTEL_API_KEY / APPINTEL_API_URL are still read as fallbacks for older setups.

What the confidence labels mean

• verified — reported figure from a real data layer, not modeled.
• calibrated — modeled, but calibrated against verified panel data for that revenue class.
• modeled — limited public signal; treat as directional, read the range not the midpoint.

Notes & limits

• iOS App Store only. Figures are gross (before store commission) unless stated otherwise.
• Estimates are recomputed nightly.
• Single-app lookups by design — there is no bulk export endpoint.
• Rate limits are per key, per day (Europe/Istanbul day boundary). The tools report your remaining quota.

Links

• Product & live docs: https://app-dex.com/welcome#api
• Methodology: https://app-dex.com/methodology
• Machine-readable summary for agents: https://app-dex.com/llms.txt

MIT © Appdex