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Tech Dev Notes
Apps

Every tracked app, its developer, and a lookup for any other app.

  • App directoryTracked apps on iOS and Android, by category
  • Find any appLive App Store and Google Play lookup
  • DevelopersPublishers and their apps
  • Compare appsHead to head ratings, ranks, versions
Charts

Live store charts, tracked app standings, and this week's movers.

  • App Store chartsLive top free, paid, grossing on iPhone
  • Google Play chartsLive top charts on Android
  • Tracked rankingsTracked apps across markets
  • MoversBiggest rises and drops this week
Screens

Real in-app screens, store listing screenshots, and launcher icons.

  • In-app screensReal-device iOS and Android UI
  • Store screenshotsApp Store and Google Play listings
  • App iconsAdaptive, monochrome, themed
Tech stacks

SDKs, frameworks and APIs detected in shipped app builds.

  • Tech stacks by appAnalyzed iOS and Android builds
  • TechnologiesEvery detected SDK and framework
Notes

Articles and xAI side projects.

  • BlogArticles and guides
  • X feature flagsFeature switches in X web
  • Grok companionsAni, Mika, Rudi, Valentine
  • GrokipediaRandom article and index
Apps
  • App directory
  • Find any app
  • Developers
  • Compare apps
Charts
  • App Store charts
  • Google Play charts
  • Tracked rankings
  • Movers
Screens and icons
  • In-app screens
  • Store screenshots
  • App icons
Tech stacks
  • Tech stacks by app
  • Technologies
Notes
  • Blog
  • X feature flags
  • Grok companions
  • Grokipedia

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Tech Dev Notes - Blog

Tech Articles, Notes and Guides

Tech articles, notes, and guides on app rankings, releases, screenshots, and tech stacks.

BlogX feature flagsGrok companionsGrokipedia

Related

Keep going.

X feature flags

Feature switches in X web.

Grok companions

Ani, Mika, Rudi, and Valentine.

App directory

Tracked apps on iOS and Android.