What is AppKittie?
AppKittie provides App Store intelligence and keyword research tools for iOS developers, marketers, and ASO professionals. Our API gives you programmatic access to:- App database with 2M+ iOS apps, including downloads, revenue estimates, growth metrics, and ad intelligence
- Keyword difficulty analysis for App Store Optimization (ASO)
- Filtering and sorting across 30+ dimensions — categories, ratings, revenue, growth, and more
- Marketing intelligence — Meta ads, Apple Search Ads, creator partnerships, and contact data
Quickstart
Get your API key and make your first request in under 2 minutes.
API Reference
Explore all endpoints with request/response examples.
Authentication
Learn how API key authentication works.
Filters Reference
See every filter and sorting option available.
API Endpoints
| Endpoint | Method | Description | Credits |
|---|---|---|---|
/api/v1/apps | GET | Search and filter apps | 1 per app |
/api/v1/apps/:appId | GET | Get detailed app data | 1 per request |
/api/v1/keywords/difficulty | GET | Single keyword difficulty | 10 per request |
/api/v1/keywords/difficulty | POST | Batch keyword difficulty (up to 10) | 10 per keyword |
Key Features
App Discovery & Filtering
App Discovery & Filtering
Search across 2M+ iOS apps with 30+ filter dimensions. Filter by category, revenue, downloads, growth rate, content rating, language, and more. Sort results by any metric.
Keyword Research
Keyword Research
Analyze keyword difficulty and opportunity for App Store Optimization. Get popularity scores, traffic estimates, competition metrics, and top-ranking apps for any keyword.
Revenue & Download Estimates
Revenue & Download Estimates
Access estimated monthly and lifetime downloads and revenue for any app. Track growth over 7, 14, 30, 60, and 90-day windows.
Ad Intelligence
Ad Intelligence
See which apps are running Meta (Facebook/Instagram) ads and Apple Search Ads. Access creative assets, targeting data, and ad activity history.
Contact & Creator Data
Contact & Creator Data
Find developer emails, websites, social profiles, decision makers, and influencer/creator partnerships associated with any app.
