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ASO Locale Switcher: Switch App Store and Google Play locales in Chrome

ASO Locale Switcher by ASO.dev

ASO Locale Switcher is a Google Chrome extension that automatically changes the country and language in apps.apple.com and play.google.com links.
It is designed for quick localization checks, metadata viewing, and visual assessment of App Store and Google Play pages directly in the browser.

The extension does not require changing your Apple ID or device region.

Why you need the extension

ASO Locale Switcher helps:

  • quickly check localizations in different countries
  • view screenshots, descriptions, and texts displayed for a specific region
  • check CPP, updates, and seasonal versions
  • work with translators and QA
  • analyze competitors in different countries
  • This is the fastest way to check the web version of the App Store and Google Play in the desired locale.

Installation

  • Open Google Chrome or another Chromium-based browser.
  • Go to Chrome Web Store and search for ASO Locale Switcher by ASO.dev (or follow the direct link).
  • Click Add to Chrome.
  • Pin the extension icon via the Extensions menu (puzzle piece icon ) → Pin.

Done. The extension is now available in your browser toolbar.

How to use ASO Locale Switcher

  1. Click on the ASO Locale Switcher icon (ASO.dev logo) in the browser toolbar.

When launching the extension on any tab, it offers to open the apps.apple.com or play.google.com page if you are on a different page.
When clicking the extension icon, a popup window appears with two tabs:

  • By Country, where you can search by country and localization
  • Store Locales, displaying the main 39 App Store localizations and Google Play localizations list with search.

The language list for App Store follows Apple’s cross-localization rules.

  1. Select a country and language, or 1 of the 39 main localizations.
    Search by name and code is supported.

ASO Locale Switcher itself shows available languages for the selected country: the primary language and all additional locals.

  1. Click Apply, the page will automatically refresh.

The extension rewrites the link and adds the correct parameters.
You instantly see the App Store or Google Play as users in that country see it.

When working on apps.apple.com, there will be a button at the bottom to switch to play.google.com and vice versa.

When the extension is especially useful

  • Quick check of screenshots and texts
  • Viewing localized descriptions
  • Checking CPP on the web
  • Working with translators (show how the page looks)
  • Marketing and ASO analysis
  • Visual assessment of seasonal updates

Limitations

Important: the extension only works with the web version of the App Store and Google Play, so:

  • search, collections, and charts are displayed limitedly and not always accurately.
  • data may differ from the real App Store or Google Play on the device
  • this is a tool for quick assessment, not 100% accurate display

For full accuracy, it’s better to use iTunes Switcher on the device for App Store.
It changes the region in the App Store on your device and shows all data without browser limitations.

Summary

ASO Locale Switcher is a fast and convenient way to view the App Store and Google Play in any locale right in Google Chrome.
Ideal for ASO, QA, translation, and visual metadata checks.

If you need maximum accuracy - use iTunes Switcher on the device for App Store.

And for fast work in the browser, ASO Locale Switcher is the perfect tool.