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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

App Store and Google Play, tracked.

Ranks, screens, stacks, and releases. Search a tracked app, or look one up live.

55 tracked apps·171 markets·44 AI tools

Tracked appsApp directory→
Grok - AI Chat & Video app iconGrok Bot app iconChatGPT app iconClaude by Anthropic app iconGoogle Gemini app iconSpotify: Music and Podcasts app iconApple Music app iconDeepSeek - AI Assistant app iconDuckDuckGo, optional Duck.ai app iconGmail - Email by Google app iconGoogle Voice app iconLe Chat by Mistral AI app iconMeta AI app iconMicrosoft Bing Search app iconMicrosoft Copilot app iconMicrosoft Planner app iconNotion: Notes, Tasks, AI app iconPerplexity - AI Search & Chat app iconPoe – Fast AI Chat app iconStarlink app iconTesla app iconTesla Robotaxi app icon
Grok - AI Chat & Video app icon

Climbing this week

Grok - AI Chat & Video

Now #31 in the US on iPhone, charting in 139 markets

+13

Grok - AI Chat & Video app icon
No. 31 free on iPhoneGrok - AI Chat & VideoX Corp.
Grok - AI Chat & Video app icon
No. 83 free on AndroidGrok - AI Chat & VideoX Corp.

Explore

Five places to start.

Each one is a different kind of record.

Apps

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

55 tracked apps

Charts

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

Charting in 171 markets

Screens and icons

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

Tech stacks

SDKs, frameworks and APIs detected in shipped app builds.

4 analyzed builds on the home shelf

AI tool releases

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

44 tools

App Store, United States

On the iPhone free chart

App Store charts →
Grok - AI Chat & Video app icon
31Grok - AI Chat & Video
Grok Bot app icon
96Grok Bot
ChatGPT app icon
3ChatGPT
Claude by Anthropic app icon
14Claude by Anthropic
Google Gemini app icon
11Google Gemini
Spotify: Music and Podcasts app icon
35Spotify: Music and Podcasts

Google Play, United States

On the Android free chart

Google Play charts →
Grok - AI Chat & Video app icon
83Grok - AI Chat & Video
ChatGPT app icon
2ChatGPT
Claude by Anthropic app icon
30Claude by Anthropic
Google Gemini app icon
76Google Gemini
Spotify: Music and Podcasts app icon
53Spotify: Music and Podcasts

Inspector

iOS App Store spotlight

Grok - AI Chat & Video app icon
Grok - AI Chat & Video

iOS App Store

Best rank

#3113

Rating

4.9

Countries

139

Version

v1.4.47

C/C++ (native)JavaKotlinAppsFlyerFirebase Analytics
Full profile →RankingsReleasesScreenshotsTech stack
Grok - AI Chat & Video - SuperGrok Imagine Feed - v1.3.79
Grok - AI Chat & Video - Chibi Template Preview - v1.3.79

Live

Ranks, releases, and stacks

Charts

Tracked rankings

View all→
ChatGPT app icon
ChatGPT
Ranked in 169 countriesTrackedRanks · 4hTech stack
#3
Google Gemini app icon
Google Gemini
Ranked in 171 countriesTrackedRanks · 4hTech stack
#11
Claude by Anthropic app icon
Claude by Anthropic
Ranked in 166 countriesTrackedRanks · 4hTech stack
#14+1
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
Ranked in 139 countriesTrackedRanks · 4hTech stack
#31+13

Fresh updates

App versions

View all→
Claude by Anthropic app icon
Claude by Anthropic
AndroidReleased  TrackedRanks · 4h
v1.261002.20
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
AndroidReleased  TrackedRanks · 4h
v1.2.43-release.02
Claude by Anthropic app icon
Claude by Anthropic
iOSReleased  TrackedRanks · 4h
v1.261002.20
Spotify: Music and Podcasts app icon
Spotify: Music and Podcasts
iOSReleased  TrackedRanks · 4h
v9.1.88

Tech stacks

App tech stacks

View all→
ChatGPT app icon
ChatGPT
C/C++ · Metal (shaders) · Objective-C · SwiftTrackedRanks · 4hTech stack
Claude by Anthropic app icon
Claude by Anthropic
C/C++ · Metal (shaders) · Objective-C · SwiftTrackedRanks · 4hTech stack
Google Gemini app icon
Google Gemini
C/C++ · Metal (shaders) · Objective-C · SwiftTrackedRanks · 4hTech stack
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
C/C++ (native) · Java · Kotlin · AppsFlyerTrackedRanks · 4hTech stack

AI tool releases

Latest AI tool releases

View all→
xAI Website
Whitespace-only copy tweak on /bot/guides/marketing: a missing space was added between “Engineering” and “Getting started” in related categories. Sitemap lastmod on getting-started was refreshed. No other product or content changes.
Oct 4 16:07 
xAI OpenAPI
No customer-facing changes in openapi.json.
Oct 4 05:22 
ChatGPT Web
Classification: identity re-compare — A and B share content fingerprint (0708f992f098); previously archived as 20261003-025246Z-0708f992f098.
Oct 4 02:53 
X Docs
Updated /x-api/compliance/batch-compliance/integrate to clarify gzip upload error handling:
Oct 4 02:41 

Weekly app changes, in one email.

Releases, movers, and rating shifts across every tracked app.

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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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