How to Perform Localization of Mobile Apps using Appium

On This Page What is Localization Testing?Test Cases in

May 28, 2026 · 4 min read · Tool Comparison

How to Perform Localization of Mobile Apps using Appium

is the process of testing your site or app for lingual or cultural relevance across different parts of the world. It allow you to customise the app or website based on the part, targeted words, hearing, and other geography-based regulations.

Overview

Purpose of Localization Testing:

Localization essay ensures that apps or websites are culturally and linguistically appropriate for specific regions by customizing the content and interface for various locales.

Test Cases for Localization Testing::

  • Test if the user interface is localized for specific regions.
  • Check proper alignment of lyric, date, clip, currency, etc., based on the region.
  • Ensure the app complies with regional ordinance and terms of usage.
  • Verify that popup messages, duologue boxes, and proof textbook are region-specific.

Performing Localization Testing Using Appium:

  • Set the app & # 8217; s words and locale in Appium ’ s hope capabilities.
  • Use the app_stringsdictation to recover localised strings.
  • Test the app in specific languages (e.g., Spanish for Spain) by executing the test case.

In this clause, learn how to do localization testing for mobile covering utilise.

What is Localization Testing?

Localization testing but means make trial event that clearly establish how your mobile application will execute in specific regions and locales. For example & # 8211; Testing if the mobile will perform with the same efficiency for citizenry endure in an Asian subcontinent as much as it would in a South American or European region.

Pro tip: Tools like SUSA can handle this autonomously — upload your app and get results without writing a single test script.

Let ’ s take a look at the various test cases that can be include in localization examination.

Test Cases in Localization Testing

  1. Localized user interface for the easiness of accession for the exploiter in that specific region.
  2. Testing if language, date, time, up-to-dateness, and like characteristic are aligned right with respect to the specific region or locale.
  3. The application cleave to the region-specific terms of usage, regulation, regulations, etc.
  4. The popup message, dialog boxes, and establishment text for the remark fields are all region specific.

Let ’ s take a look at a simple example of how one can perform for any mobile application.

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Performing Localization Testing Using Appium

In this exam, let us set the language of the app under trial to Espanol aka Spanish, and the locale to Spain. At the same time, declare the same in the desired capabilities as well. Using theapp_stringscommand from the Appium, let us retrieve the app & # 8217; s localized strings for the particular words.

You can upload the sample application by using the following code:

import requests files = {'file ': open (r'WikipediaSample.apk ', 'rb '),} response = requests.post ('https: //api-cloud.browserstack.com/app-automate/upload ', files=files, auth= (`` your username '')) print (response.content)

You must use theapp_url generated from the above hand in your desired capabilities.

The undermentioned test case will control whether the application is localized for the Spanish locale in the Spanish Language.

[python] from appium signification webdriver from appium.webdriver.common.mobileby significance MobileBy from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC import time desired_cap = {# Set your access credentials '' browserstack.user '': `` your username '', '' browserstack.key '': `` your key '', # Set URL of the application under test '' app '': `` & lt; appurl from the API call & gt; '', # Specify device and os_version for testing '' gimmick '': `` Google Pixel 3 '', '' os_version '': `` 9.0 '', # Set early BrowserStack potentiality '' project '': `` Localization Testing '', '' build '': `` browserstack-build-1 '', '' name '': `` first_test '', # set the speech capabilities '' language '': `` es '', '' locus '': `` ES ''} # Initialize the remote Webdriver using BrowserStack remote URL # and desired capabilities defined above driver = webdriver.Remote (command_executor= '' http: //hub-cloud.browserstack.com/wd/hub '', desired_capabilities=desired_cap) appStrings = driver.app_strings ('' & lt; es & gt; '') # Test case for the BrowserStack sample Android app. # Below test case is for sample Wikipedia app. If you have uploaded your app, update the trial case below. search_element = WebDriverWait (driver, 30) .until (EC.element_to_be_clickable ((MobileBy.ACCESSIBILITY_ID, `` Buscar en Wikipedia ''))) search_element.click () search_input = WebDriverWait (driver, 30) .until (EC.element_to_be_clickable ((MobileBy.ID, `` org.wikipedia.alpha: id/search_src_text ''))) search_input.send_keys (`` BrowserStack '') time.sleep (5) search_results = driver.find_elements (MobileBy.CLASS_NAME, `` android.widget.TextView '') assert (len (search_results) & gt; 0) # Invoke driver.quit () after the trial is perform to bespeak that the test is finish. driver.quit () [/python]

The test lam successfully and the application can retrieve the strings file and find the localized element.

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Conclusion

Localization testing not only ensures a seamless delivery of the coating in various regions and locales, but it likewise capitalizes on the scalability of the product/application by ensuring spheric reach and accessibility.

You can seamlessly perform Localization testing with Appium on different devices using BrowserStack. BrowserStack offer insistent admission to a pool of 3000+ devices, browsers, and function systems. By performing localization testing using BrowserStack, QAs can quiz if the package work as intended across different parts of the country, or world.

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