Notes on Tech

Tech Dev Notes

Real-time monitoring for App Store and Google Play. Version history, chart rankings, side-by-side comparisons, and in-app screenshots from real devices.

Look up an app Browse charts

Currently tracking

6 apps

Monitoring ratings, versions, and chart rankings across 6 AI apps on App Store and Google Play, updated every 4 hours.

Grok

4.9

US #17 · 108 countries

ChatGPT

4.8

US #1 · 169 countries

Gemini

4.7

US #3 · 171 countries

Claude

4.7

US #2 · 154 countries

Copilot

4.8

Perplexity

4.8

US App Store Rankings

Top Free

Current chart positions for tracked AI apps in the US App Store. Rankings are collected across 184 countries every 4 hours. Select any app to view its full global ranking breakdown.

ChatGPT169 countries #2

Claude154 countries #3

Gemini171 countries #17

Grok▲11108 countries

Tools

Free developer tools for app market research. Look up any app, browse chart rankings, compare competitors, and track version releases.

App Lookup

Search any iOS or Android app by name or ID. Ratings, version info, and metadata from both stores.

App Charts

Top-ranked apps by store, category, and chart type. Track ranking movements over time.

Compare Apps

Side-by-side ratings, reviews, and chart positions across apps with historical trends.

Version Changelog

Every version release across all monitored apps. When updates ship and what changed.