Whether you're on Android or iOS, the 399d app lets you place sports bets, play slots, and join Live Casino in an instant. Completely free to download.
While online betting platforms in Bangladesh have grown rapidly, most sites fall short on mobile — tiny buttons, slow loading, and cluttered ads. The 399d app was built specifically to fix all of that.
The 399d mobile app has been completely redesigned with Bangladeshi users in mind. Navigate comfortably on a small screen, place bets quickly, and get real-time score updates. The app is only a few megabytes, so it runs smoothly on all types of smartphones.
Best of all, the 399d app keeps you in the loop with push notifications — so you'll never miss a big match or a bonus offer. Whether the odds shift in your favor or your favorite team is about to play, you'll be the first to know.
What the 399d app offers is hard to find all in one place on any other betting app.
View real-time odds as the action unfolds and place in-play bets on cricket, football, tennis, and more — all with Live Betting.
Match kick-offs, odds shifts, winning results — get every update before anyone else. Customize your notifications your way.
Deposit and withdraw via Mobile Banking, Nagad, or Rocket directly from the app. Transactions complete in just a few minutes.
Slots, Live Casino, table games — all in one app. Games load fast with no lag or freezing.
Perfect for playing at night or in low light. Eye-friendly design with vibrant graphics and clean typography.
Log in in seconds using your fingerprint or Face ID. No need to remember a password.
Installing the 399d app is quick and easy. Just follow the steps below and get started in minutes.
Start by registering on 399d. Create an account in just 2 minutes using your mobile number or email.
After logging in, go to the app download page and grab the Android APK or iOS link for your device.
Android users, go to Settings > Security and enable "Install unknown apps", then install the APK file.
IPhone users can get an app-like experience via TestFlight or by adding a shortcut to their home screen from Safari.
Once installation is complete, log in with your username and password and enjoy the full gaming experience.
Here's what your device needs to run the 399d app.
| Subject | Minimum Requirements |
|---|---|
| Operating System | Android 5.0 (Lollipop) or above |
| RAM | 1 GB or more |
| Storage | 50 MB free space |
| Internet | 2G/3G/4G or Wi-Fi |
| Processor | Quad-core 1.2 GHz or above |
| Subject | Minimum Requirements |
|---|---|
| Operating System | IOS 12.0 or above |
| Device | IPhone 6s or newer |
| Storage | 60 MB free space |
| Internet | 3G/4G/5G or Wi-Fi |
| Safari Version | Safari 12 or above |
The moment you open the 399d app, a world of entertainment unfolds. It's more than just a place to bet — you'll find a wide variety of games, competitions, and chances to win.
399d is the go-to place for cricket fans. From BPL to IPL, World Cup to Test series — get live odds for every match right on the mobile app. With in-play betting, you can place new bets as the odds shift in the middle of a match.
Football fans will find odds on hundreds of matches, from Europe's top leagues to the Asian Cup. You can also bet on badminton, volleyball, basketball, and more — all within the app.
If you love gaming, the slots section of the 399d app will not disappoint. You'll find top slot games from world-class providers, plus a Live Casino where you can play blackjack, roulette, or baccarat with real dealers, live and direct.
Your data and funds are fully secure when using the 399d app.
All data transfers are encrypted with 256-bit SSL. No third party can access your information.
OTP-based two-factor security protects your account from unauthorized access.
Your personal data is never sold to third parties. Data is stored in compliance with GDPR.
Third-party security experts regularly audit the 399d app's code and systems.
The most frequently asked questions about the 399d app.
Register and claim an exclusive welcome bonus on your first deposit. Play from any device, at any time.