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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.

50 tracked apps·174 markets·44 AI tools

Tracked appsApp directory→
Grok - AI Chat & Video app iconChatGPT app iconGoogle Gemini app iconClaude by Anthropic app iconMicrosoft Copilot app iconPerplexity - AI Search & Chat app iconDeepSeek - AI Assistant app iconMeta AI app iconLe Chat by Mistral AI app iconPoe – Fast AI Chat app iconGmail - Email by Google app iconGoogle Drive app iconMicrosoft Authenticator app iconGoogle Docs app iconGoogle Sheets app iconNotion: Notes, Tasks, AI app iconGoogle Slides app iconGoogle Calendar: Get Organized app iconDropbox: Cloud Storage Backup app iconGoogle Keep - Notes and lists app iconMicrosoft Bing Search app iconMicrosoft OneNote app iconMicrosoft To Do app iconGoogle Voice app icon
DuckDuckGo, optional Duck.ai app icon

Climbing this week

DuckDuckGo, optional Duck.ai

Now #80 in the US on Android, charting in 4 markets

+9

Muse from Meta app icon
No. 1 free on iPhoneMuse from MetaMeta Platforms, Inc.
Muse from Meta app icon
No. 1 free on AndroidMuse from MetaMeta Platforms, Inc.

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.

50 tracked apps

Charts

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

Charting in 174 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

Top free on iPhone

App Store charts →
Muse from Meta app icon
1Muse from Meta
ChatGPT app icon
2ChatGPT
Vinted: Pre-loved marketplace app icon
3Vinted: Pre-loved marketplace
APTV app icon
4APTV
Threads app icon
5Threads
Amazon Prime Video app icon
6Amazon Prime Video
TikTok Pro - Events app icon
7TikTok Pro - Events
Google Gemini app icon
8Google Gemini
PineDrama - Short Dramas app icon
9PineDrama - Short Dramas
Kalshi: Trade Football & more app icon
10Kalshi: Trade Football & more
CapCut: Photo & Video Editor app icon
11CapCut: Photo & Video Editor
Claude by Anthropic app icon
12Claude by Anthropic

Google Play, United States

Top free on Android

Google Play charts →
Muse from Meta app icon
1Muse from Meta
ChatGPT app icon
2ChatGPT
TikTok Pro - Events app icon
3TikTok Pro - Events
Vinted: Shop & sell pre-loved app icon
4Vinted: Shop & sell pre-loved
PineDrama - Short Dramas app icon
5PineDrama - Short Dramas
TimeCue – Reminders & Alerts app icon
6TimeCue – Reminders & Alerts
WhatsApp Messenger app icon
7WhatsApp Messenger
TikTok - Videos, Shop & LIVE app icon
8TikTok - Videos, Shop & LIVE
Depop - Buy & Sell Clothes app icon
9Depop - Buy & Sell Clothes
Tubi: Free Movies & Live TV app icon
10Tubi: Free Movies & Live TV
Claude by Anthropic app icon
11Claude by Anthropic
Kalshi: Trade Football & more app icon
12Kalshi: Trade Football & more

Inspector

iOS App Store spotlight

Grok Bot app icon
Grok Bot

iOS App Store

Best rank

#96

Rating

4.9

Countries

12

Version

v1.13.1

Full profile →RankingsReleasesScreenshotsTech stack
Grok Bot app icon

Live

Ranks, releases, and stacks

Charts

Tracked rankings

View all→
ChatGPT app icon
ChatGPT
Ranked in 169 countriesTrackedRanks · 4hTech stack
#3+1
Google Gemini app icon
Google Gemini
Ranked in 171 countriesTrackedRanks · 4hTech stack
#11-3
Claude by Anthropic app icon
Claude by Anthropic
Ranked in 166 countriesTrackedRanks · 4hTech stack
#12+1
Gmail - Email by Google app icon
Gmail - Email by Google
Ranked in 174 countriesTrackedRanks · 4hTech stack
#20+3

Fresh updates

App versions

View all→
Google Gemini app icon
Google Gemini
iOSReleased  TrackedRanks · 4h
v1.2026.3870402
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
iOSReleased  TrackedRanks · 4h
v1.4.47
Grok - AI Chat & Video app icon
Grok - AI Chat & Video
AndroidReleased  TrackedRanks · 4h
v1.2.42-release.01
Meta AI app icon
Meta AI
AndroidReleased  TrackedRanks · 4h
v292.1.0.19.164

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
Dropbox: Cloud Storage Backup app icon
Dropbox: Cloud Storage Backup
C/C++ · Metal (shaders) · Objective-C · SwiftTrackedRanks · 4hTech stack
DuckDuckGo, optional Duck.ai app icon
DuckDuckGo, optional Duck.ai
C/C++ (native) · Java · Kotlin · Google Play BillingTrackedRanks · 4hTech stack

AI tool releases

Latest AI tool releases

View all→
xAI Website
Removed the Memphis HR Business Partner, Employee Relations listing from /careers/open-roles.
Oct 2 20:37 
xAI Org Commits
xai-sdk-ts issue templates now say SpaceXAI.
Oct 2 19:44 
Grok Build
Detected without a CLI binary version bump.
a4edf052c070 
Grok Build
Patch release 1.0.49: a local memory server (grok memory serve), Grove clones and worktrees managed through the Grove daemon, and stricter hook matching plus managed-config loading.
1.0.49 

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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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