What is Tech Dev Notes?

Tech Dev Notes tracks apps across App Store and Google Play in real time. We collect rankings, ratings, version history, and in-app screenshots from real devices every 30 minutes across 20+ countries.

Which apps do you track?

We track leading apps including ChatGPT, Grok, Claude, Google Gemini, Microsoft Copilot, Perplexity, DeepSeek, Meta AI, Le Chat by Mistral AI, Character AI, and Poe. Both iOS and Android versions.

How often is the data updated?

App Store and Google Play data is collected every 4 hours. Screenshots are captured from real devices every 30 minutes. Rankings, ratings, and version data are available within minutes of changes in the stores.

Is this data free to use?

Yes. All rankings, version history, and screenshots are freely accessible. You can also subscribe to a free weekly email digest summarizing the biggest changes across all tracked apps.

App Store & Google Play Analytics, tracked daily.

Real-device screenshots, rankings across 20+ countries, version tracking, and weekly digests for leading apps. Updated every 30 minutes.

Look up any app Explore rankings

ChatGPT, Grok, Claude, Gemini & more tracked

0+Countries

0+Rankings tracked

0+Versions logged

ChatGPT iOS US #1Claude by Anthropic iOS US #5 ▲1Threads iOS US #7 ▲1Google Gemini iOS US #8 ▼1Google iOS US #11WhatsApp Messenger iOS US #12Google Gemini v1.2026.2171801 iOSDeepSeek - AI Assistant v2.1.4 iOSGrok - AI Chat & Video v1.3.87 iOSGoogle Maps v26.22.2 iOSChatGPT iOS US #1Claude by Anthropic iOS US #5 ▲1Threads iOS US #7 ▲1Google Gemini iOS US #8 ▼1Google iOS US #11WhatsApp Messenger iOS US #12Google Gemini v1.2026.2171801 iOSDeepSeek - AI Assistant v2.1.4 iOSGrok - AI Chat & Video v1.3.87 iOSGoogle Maps v26.22.2 iOS