Blog

Guides, deep-dives, and updates for indie iOS developers.

Engineering2026-04-0911 min read

How We Detect Competitor Metadata Changes Overnight

Your competitor changes their subtitle at 3 PM. By 8 AM the next morning, you get an email connecting their metadata change to your ranking drop. Here's the cron-powered detection pipeline behind it.

competitor analysiscron jobsiTunes APIchange detectionASO
How-to2026-04-0712 min read

How to Fill Your App Store Keyword Field: AI-Generated 100-Character Sets

The App Store gives you 100 characters for keywords. Most developers waste half of them. We built an AI optimizer that analyzes difficulty, filters out losing battles, and generates a complete keyword set you can copy-paste into App Store Connect.

keywordsASOAI optimizationApp Store ConnectClaude API
Tutorial2026-04-0410 min read

Getting Started with Apsity: From App Store Connect to Your First Insight in 5 Minutes

Set up App Store Connect API credentials, add your first app, track keywords, and wait for overnight AI insights. A step-by-step guide to going from zero to a working analytics dashboard.

getting startedApp Store Connect APItutorialsetup guide
Product2026-03-2810 min read

How We Built an AI Growth Agent That Tells You What to Do Next

Your dashboard shows numbers. But what should you actually do? We built an AI agent that analyzes rank drops, finds hidden markets, and generates optimized keywords — with confidence badges so you know what to trust.

AIgrowth agentkeyword optimizationClaude API
Engineering2026-03-2012 min read

Building an App Store Analytics Dashboard from Scratch

We connected App Store Connect API, handled JWT auth, parsed TSV sales reports, and set up daily cron jobs. Here's how we built Apsity's core dashboard — and the pitfalls we hit along the way.

App Store Connect APINext.jsVercel Crondashboard
Guide2026-03-1515 min read

App Store Keyword Optimization: The Complete Guide for Indie Developers

Everything you need to know about App Store keywords — the 100-character field, difficulty scoring, competitor analysis, and how AI can help. Practical tips from tracking 200+ keywords across 12 apps.

ASOkeywordsApp Store optimizationindie developer