LangX | Practice Learn Succeed

LiveNew Chapter Technology1 app · 4.2K installsEducationFreeIn-app purchases: $9.99 - $83.99 per itemtech.newchapter.languageXchange

100% Open Source Alternative to Tandem

Alert me★ WatchOpen in Play ↗
Total installs
4,228
exact · Play shows 1,000+
Installs / day
+72
7-day avg · last day +72
Rating
4.4★
93 ratings · 4 reviews
Released
14 Jan 2024
2.8y ago
Last update
20 Sept 2026
v2.6 · 23d ago
Countries
—
not checked yet

Installs per day

gain of the exact counter

+72 installsOur first day-to-day reading of the counter. The line starts with the next one.

Daily tracking since 11 Oct 2026 · history grows every day

Install history

exact counter from Google Play
4,1404,1604,1804,2004,2204,24011 Oct12 Oct
01,0002,0003,0004,0005,00014 Jan 202411 Oct 202612 Oct 2026

Dashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day

Daily tracking since 11 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • Collects data Location, Personal info and 5 others
  • Data is encrypted in transit
  • You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

20 in 8 groups
11 Sensitive3 Notable6 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
  • Use your camera to take photos and record videos
  • Record sound using your phone's microphone
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
CalendarSensitive2

Access to your calendar events and their details

  • See all events in your calendar, including details like guests, places and notesread calendar events plus confidential information · READ_CALENDAR
  • Add, change or delete calendar events and email guests, without telling the calendar owneradd or modify calendar events and send email to guests without owners' knowledge · WRITE_CALENDAR
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
CameraSensitive1

Access to your camera to take photos and record video

  • Use your camera to take photos and record videostake pictures and videos · CAMERA
MicrophoneSensitive1

Access to your phone's microphone to record sound

  • Record sound using your phone's microphonerecord audio · RECORD_AUDIO
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherSensitive9

Access to miscellaneous device features that don't fit other categories

  • Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
  • Change volume and choose which speaker or headset plays soundchange your audio settings · MODIFY_AUDIO_SETTINGS
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
We've created a free and 100% Open Source Alternative to Tandem app called LangX, which functions similarly to Tandem but still in beta phase, we update daily with a focus on language exchange and practice. Our community is growing so fast, i launched this app a month ago, and now we are more than 10 contributors actively, from design to digital marketing, from SEO, ASO to accessibility and we love testers as well!! Everyone does what they can do best! I'm really soo happy to see results ! Available for free on all platforms. Hey there, Redditors! I've been working on an exciting project for the almost past year and I'm thrilled to share it with you all. I've created a free and 100% Open Source Alternative to Tandem app called LangX, which functions similarly to Tandem but with a focus on more language practice and community-driven, free and open sourced! We are open for every contributions which is even a single line or image, we will be super happy about it. Here's what you need to know about our app: 🎙️ Capture Moments, Share Voices : Capture and share your language learning moments. Share voice messages to practice pronunciation. ⚙️ Fine Tune Your Connections: Customize your connection preferences to find the perfect language exchange partners by filtering options. 🔍 Profile Insights : Get insights into your language learning progress and habits directly from your profile. 💬 Just Chat : Experience our user-friendly chat interface. Learning a language has never been this fun and easy. 🔒 Your Data, Your Control : We respect your privacy. Control what data you share and manage your privacy settings easily. ⭐ Rating Evaluation: Rate your language exchange partners and receive ratings to help improve the quality of interactions in our community. _coming-soon_ 🌙 Night Mode Engage : Switch to night mode for a more comfortable reading experience in low light environments. 🏅 Badge : Earn badges for your achievements and display them on your profile. 💰 Zero Cost : Experience our comprehensive language learning features at zero cost. Absolutely no hidden charges or in-app purchases. 📖 100% Open-Sourced : Our app is completely open-sourced. Join our developer community and contribute to our codebase. FOR ME, THE MOST EXCITING ONE: 🤖 Learn with AI : Harness the power of AI to accelerate your language learning journey. Get personalized feedback. It is going to be your private language copilot, it feedbacks you when you are practicing with a real person in a room. You are going to be so excited what it can speed up your actively language learning process. Stay tuned! _coming-soon_ I'm aware that there are similar language exchange apps available, but LangX sets itself apart by offering a comprehensive and community-driven platform that prioritizes language practice and user privacy. As a 100% open-source alternative to Tandem, we're committed to providing a seamless language learning experience while empowering users to take control of their data and privacy settings. This project has been a labor of love ❤️, and we're continuously updating and improving LangX to better serve our users' needs. We have exciting features in the pipeline, including AI-driven language learning support, and we're thrilled to share them with you in the near future. Your feedback and suggestions are invaluable to us as we strive to create the best possible language learning platform. Join us on langX and be a part of our growing community of language enthusiasts. Together, let's embark on a journey of language discovery and cultural exchange. Thanks for your support, and happy language learning! 🌍🗣️

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