Duff - Learn Languages & Speak
Duff - Learn Languages & Speak Summary
Duff - Learn Languages & Speak is a ad-supported, with in-app purchases Android app in the Tools category, developed by duff hl studio. First released 4 years ago(Sep 2021), the app has accumulated 4.7M+ total installs and 7.1K ratings with a 4.37★ (good) average rating.
Recent activity: 2.7K installs this week (17.5K over 4 weeks) showing exceptional growth , and -2 new ratings this week (30 over 4 weeks) with healthy momentum. View trends →
Advertising: The app has been identified as showing monetized advertisements based on detected ad network creatives.
Data tracking: SDKs and third-party integrations were last analyzed on Oct 11, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Oct 15, 2025.
Store info: Last updated on Google Play on Nov 8, 2025 (version 45).
Duff - Learn Languages & Speak was last scanned for SDKs 2025-10-11. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Pangle
ByteDance
Vungle
Google
Firebase
Kotlin
Facebook
Airbnb Engineering
Adapty
Square
Adjust4.37★
Ratings: 7.1K
Screenshots
App Description
Easy language learning: Learn fast, speak confidently, practice any language
Duff - Learn Languages & Speak App provides you with easy and fast language learning with the most common phrases and words. Besides, you will be able to practice your learning by listening to native speakers' pronunciations
Start speaking right away like a local... ;)
Duff - Learn Languages & Speak App will help you to learn to speak many languages. Moreover, you will be able to tune your ear to real languages.
Save hundreds of hours of time by learning only what you need exactly. This is the best thing in Duff - Learn Languages & Speak App app because it provides the most common phrases and words in your needed languages
Improve listening and understanding of effective exercises
Use this best live video call app for getting in touch with your family more often. Online calls are never been so easy. This is one of the remarkable video chat apps.
Besides, complement your mobile screen with an exclusive call screen, edge lighting, icon changer, cool wallpapers, color borderlight, OS 15 launcher style. Duff - Live Chat, Video Call App is the perfect blend of creativity with simplicity enhancing your mobile experience.
Your phone will be the most powerful, customizable, personal, colorful, and intelligent device they've ever been with Call Screen, Edge Lighting, Color Border App...
🆕 Amazing video chat with loved ones
🆕 Both video call and voice call easily and securely
🆕 Discover new friends and call them immediately
🆕 Call online for free
🆕 Duo call for everyone
🆕 Get free calls for loved ones
🆕 Secure online free call
🆕 Best all-in-one video call app
🆕 You can make calls online for free
🆕 Use Translate tools for chat
🆕 Stay hidden while chatting
🆕 No blue ticks anymore
🆕 Try amazing stickers for showing emotions
🆕 Internet call for necessary times
🆕 Stylish call screen and exclusive phone screen themes
🆕 Colorful edge lighting, border light, RGB
🆕 Aesthetic curved edge lighting for mobile home screen and lock screen.
🆕 Cool wallpapers and backgrounds
🆕 Call Screen Themes: color and personalized your incoming calls
🆕 Edge Lighting: Colorful border lights for your phone screen
🆕 Live Wallpaper: Set amazing themes and live wallpapers for your phone home and lock screen
🆕 Change and customize icons and names for any apps.
Duff - Live Chat w