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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
AI tools

Changelogs for Claude Code, Codex, Cursor, Grok and more.

  • AI tool releasesLatest versions across tools
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

App Store and Google Play, tracked.

The apps we follow, where they rank, and what just shipped.

GrokGrok BotXChatGPTClaudeGoogle GeminiDeepSeekPerplexityMicrosoft CopilotMeta AILe ChatNotionSpotifyApple MusicTesla
App directory→
X app icon
Climbing this weekX#24 on iPhone +6

App Store, United States

On the iPhone free chart

App Store charts →
Grok - AI Chat & Video app icon
Grok#28
Grok Bot app icon
Grok Bot#96
X app icon
X#24
ChatGPT app icon
ChatGPT#3
Claude by Anthropic app icon
Claude#11
Google Gemini app icon
Google Gemini#9
Spotify: Music and Podcasts app icon
Spotify#45

Google Play, United States

On the Android free chart

Google Play charts →
Grok - AI Chat & Video app icon
Grok#79
X app icon
X#21
ChatGPT app icon
ChatGPT#2
Claude by Anthropic app icon
Claude#35
Google Gemini app icon
Google Gemini#73
Spotify: Music and Podcasts app icon
Spotify#52

Changes

What changed

This week

Grok, ChatGPT, Claude

Grok - AI Chat & Video app icon
Grok - AI Chat & Video
v1.2.44-release.00Released  
v1.2.44-release.00
ChatGPT app icon
ChatGPT
v1.2026.272Released  
v1.2026.272
Claude by Anthropic app icon
Claude by Anthropic
v1.261002.20Released  Squashed some bugs and improved the overall experience. Yours, Claude
v1.261002.20
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
v1.2.43-release.02Released  
v1.2.43-release.02
Claude by Anthropic app icon
Claude by Anthropic
v1.261002.20Released  Squashed some bugs and improved the overall experience. Yours, Claude
v1.261002.20
Claude by Anthropic app icon
Claude by Anthropic
v1.260930.20Released  Squashed some bugs and improved the overall experience. Yours, Claude
v1.260930.20

This week

Grok Bot, Claude Code, Codex

View all→
Grok Mobile
Grok iOS shipped 1.4.48; Grok Android and Grok Bot iOS did not ship in this window.
Oct 6 19:43 
Grok Bot Desktop Stable
Stable 0.68.1 for macOS, up from 0.66.0.
Oct 6 18:16 
Grok Bot
Minor release: Grok Bot 0.68.1 is now the stable macOS build, replacing 0.66.0.
Oct 6 18:09 
Grok Desktop
Alpha desktop 0.1.1625 is out on Linux, macOS, and Windows, with bundled Grok CLI 1.0.50.
Oct 6 17:41 
Grok Mobile
Grok Bot iOS 1.14.0 shipped; Grok iOS and Grok Android did not ship a new version.
Oct 6 15:43 
Grok Mobile
Grok Android 1.2.44-release.00 is on Google Play; Grok iOS 1.4.47 and Grok Bot iOS 1.13.1 did not ship.
Oct 6 11:43 

Fresh updates

App versions

View all→
Meta AI app icon
Meta AI
iOSReleased  
v293.0.0
X app icon
X
iOSReleased  US #29 the day before
v12.31.2
X app icon
X
iOSReleased  
v12.31.1
Apple Music app icon
Apple Music
iOSReleased  
v3.8

Tech stacks

App tech stacks

View all→
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
C/C++ (native) · Java · Kotlin · AppsFlyer
Grok AI app icon
Grok AI
C/C++ · Metal (shaders) · Objective-C · Swift
Grok Bot app icon
Grok Bot
C/C++ · Metal (shaders) · Objective-C · React Native / JavaScript
X app icon
X
C/C++ · Metal (shaders) · Objective-C · Swift

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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
AI tool releases
  • AI tool releases
Notes
  • Blog
  • X feature flags
  • Grok companions
  • Grokipedia

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