The d444 app is available on both Android and iOS. Play, bet, and win anytime, anywhere.
Find out why the mobile app beats the website
The app is optimized to load 3 times faster than the website.
Get bonuses, promotions, and match updates delivered straight to your mobile.
Log in quickly and securely using your fingerprint or Face ID.
Once downloaded, it runs on minimal data — works even on weak networks.
The app is just 15 MB — easy to install even with limited storage.
Features 256-bit encryption and two-factor authentication.
The app is fully in Bangla — navigation is straightforward.
Live chat support built into the app — get quick solutions.
Installing the d444 app on your Android phone is easy. Follow the steps below and get started in minutes.
Go to Settings > Security > Unknown Sources on your phone and enable it. This is required to install third-party APK files.
Go to d444.best/download or click the download button on this page. The APK file will start downloading.
Once the download is complete, open the APK file from File Manager and tap Install.
Once installed, open the app, log in to your d444 account, and start playing right away.
IPhone and iPad users can follow this method to install the d444 app.
Open Safari on your iPhone or iPad and go to d444.best/download.
You'll see the iOS download button on the page. Tap it to begin the profile download process.
Go to Settings > General > VPN & Device Management and install the d444 profile. You'll be prompted to trust it — approve it.
You'll see the d444 icon on your home screen. Open the app, log in, and enjoy.
Learn the difference between the two
Mobile internet users in Bangladesh are growing every day, and d444 has built a cutting-edge mobile application with exactly that in mind. The app was developed with Bangladesh's network conditions, device variety, and user expectations all taken into account. This isn't just a mobile version of a website — it's a completely standalone experience.
The d444 app is built with native code, making it far more efficient than web apps. It uses Java and Kotlin on Android and Swift on iOS, ensuring maximum hardware utilization. Live betting odds update in real time and casino games run without any lag.
3G and 4G network speeds in Bangladesh can be inconsistent. d444's data compression technology ensures the app runs smoothly even on low bandwidth. Adaptive bitrate is used for live streaming and game loading — if your connection slows down, the quality adjusts automatically to keep things running.
Security is d444's top priority in the mobile app. The app uses SSL/TLS encryption to protect all data transmission. Login, deposit, withdrawal — every step is end-to-end encrypted. Your password is never stored in plain text; it's hashed using the bcrypt algorithm.
Biometric login is a major advantage of the d444 app. Once set up, you can log in with fingerprint or Face ID every time — no hassle of typing passwords. It's not just convenient but also highly secure because biometric data stays on your device and isn't sent to servers.
The d444 app offers much more than just betting and gaming. The in-app statistics section shows all your betting history, win rate, favorite games, and other stats. Using this data, you can understand which types of bets have higher success rates for you.
The push notification feature is highly customizable. You choose exactly what you want to be notified about — cricket match odds updates, new bonus offers, big jackpot wins, and more. You can turn off any notifications you don't need, so there's no reason to feel overwhelmed.
Mobile banking is the most popular payment method in Bangladesh, and it's fully integrated into the d444 app. You can switch to your mobile banking app directly from within d444 to make a deposit, and when you return, your balance updates automatically. Bank transfers and card payments work just as smoothly.
Withdrawals are even easier on the app. Just enter the amount from your saved payment method and confirm — no need to repeatedly enter the same information. The d444 app wallet feature lets you manage multiple currencies or payment methods together.
D444 regularly runs exclusive promotions for mobile app users. For example, you get a bonus when you first download the app, higher cashback for making a certain number of bets per week through the app, and access to mobile-only tournaments. These benefits aren't available on the website.
"The d444 app is really amazing. Much faster than the website."
— Sajib Ahmed, Dhaka"Biometric login is very convenient. Security is good too."
— Nafisa Khanam, Chattogram"Live casino runs really smooth on the app. No lag at all."
— Rakib Hossain, Sylhet
Frequently asked questions about the d444 app
Bangladesh's fastest and most secure mobile betting application. Available now on both Android and iOS.