The full 399dt platform, right in your hands. Fast, smooth, and secure on both Android and iOS — download it once and you'll notice the difference.
Android or iOS — the 399dt app works equally well on all platforms.
Installs easily on any Android phone — Samsung, Xiaomi, Realme, Oppo, and more. Just download the APK file directly and installation completes in seconds.
Full experience on iPhone and iPad. Built to meet Apple's strict security standards, so your data is always protected. Supported on all devices running iOS 13 or above.
Why millions of Bangladeshi users choose the 399dt app
The app runs smoothly even on a slow connection. Games load in just a few seconds on 3G. No browser hassles.
SSL encryption and two-factor authentication keep your personal information and transactions fully secure.
Get instant alerts for new bonuses, tournaments, and special offers — so you never miss an opportunity.
Prefer playing at night? The app's built-in dark mode reduces eye strain and helps save battery life.
Directly integrated with Mobile Banking, Nagad, Rocket, and all popular mobile banking apps. Deposits and withdrawals are completed within minutes.
A fully localized interface in Bangla. Every menu and message has been written in Bangla with Bangladeshi users in mind.
Watch live sports streaming directly in the app. Place your bets and enjoy the match at the same time.
Log in instantly with your fingerprint or Face ID — no more typing passwords.
Chat with customer support directly through the app's live chat feature. Help is available 24/7.
The process is straightforward. For both Android and iOS, just follow the steps below and installation will be complete in a matter of minutes.
Go to the 399dt download page and select the Android APK or iOS link based on your device.
Android users: go to Settings → Security → Unknown Sources and enable it. This step is not required on iOS.
Once the APK file has finished downloading, tap on it and press the "Install" button.
Open the app and log in if you already have an account; if you're new, registration takes just 2 minutes.
Get a special app welcome bonus on your first deposit. Deposit easily with Mobile Banking or Nagad.
Keep auto-update enabled after installation to automatically receive the latest features and security patches.
Check if your device is compatible
| Topic | Android | IOS |
|---|---|---|
| Minimum OS | Android 6.0 | IOS 13.0 |
| File Size | 45 MB | 52 MB |
| RAM | 2 GB+ | 2 GB+ |
| Storage | 100 MB Free | 120 MB Free |
| Internet | 3G / 4G / WiFi | 3G / 4G / WiFi |
| Current Version | 3.2.1 | 3.2.1 |
| Latest Update | June 2026 | June 2026 |
| Language Support | Bangla, English | Bangla, English |
| Biometric Login | Fingerprint | Face ID / Touch ID |
If your phone doesn't meet these specifications, use the 399dt mobile browser version — it works smoothly on older devices too.
There's no shortage of online betting apps in Bangladesh, but what sets 399dt apart is its user-friendly design and smooth performance. The app was built with Bangladeshi users in mind from day one — so the interface, payment options, and language all feel familiar and intuitive.
Many users run into frustrating issues on mobile betting sites — slow page loads, games freezing, errors during payment. The 399dt app is built to eliminate these problems. With optimized bandwidth management, it delivers strong performance even on a slow internet connection.
For casino games, the 399dt app delivers a genuine live dealer experience. You get the feel of sitting at a real table with a live dealer — all on your smartphone screen. The graphics quality is excellent and live stream lag is minimal.
The standout feature for Sports Betting on the app is live betting. You can adjust or place new bets as the match unfolds, with live odds for cricket, football, tennis, and many more sports updating in real time.
The Bingo section is one of the most popular parts of the app. Simple rules, fast results — these games offer entertainment and rewards all in one place. Even new players can jump right in with no prior experience needed.
Security is the top priority in the 399dt app. Every transaction is end-to-end encrypted. Logging in requires biometric verification or two-factor authentication, making unauthorized account access virtually impossible.
All things considered, the 399dt app is more than just a betting tool — it's a complete entertainment platform where casino, sports, bingo, and slots are all available in one place. For Bangladeshi users, it's the most convenient mobile betting solution available today.
What Real Users Are Saying
"Since installing the 399dt app, I don't need to open a browser anymore. The app is super fast — especially when placing bets on live matches, there's zero lag."
"I had no idea paying with Mobile Banking could be this easy. I deposited directly from the app and my balance was updated within 2 minutes."
"The app runs great even on my old Xiaomi phone. Everything is in Bangla, so there's no confusion at all. Live chat support also responds really quickly."
Frequently Asked Questions
Install the 399dt app today and claim your app welcome bonus. Free to download on any Android or iOS device.
Secure and encrypted. For ages 18+ only.