Available on both Android and iOS. Fast loading, smooth gameplay, and instant payments — play anywhere with the 399k app.
Today, people want to do everything on their phones — shopping, banking, entertainment. Online betting is no different. 399k The app was built with exactly that in mind. Special attention was given to comfortable small-screen navigation, easy-to-tap buttons, and fast loading times.
Most users in Bangladesh use mid-range Android phones. The 399k app is built with that in mind — optimized to run smoothly even on slower internet connections. You get all the same features as the website, just with a faster and more streamlined experience.
The 399k app is also available for iOS users. It runs smoothly on any iPhone or iPad. Live odds updates, notifications, and quick deposits — everything is easier in the app.
What you get with the 399k app
The app launches in seconds and runs smoothly even on slow networks.
Get instant notifications for match results, odds changes, and bonus offers.
Log in securely with Fingerprint or Face ID — no need to remember your password.
Deposit and withdraw directly from the app via Mobile Banking, Nagad, and Rocket.
Watch live streams of selected matches directly in the app and place bets at the same time.
Switch on Dark Mode for a more comfortable viewing experience when playing at night.
Done in just a few steps
Click the download button below or visit the 399k download page. The APK file will be saved to your phone.
Enable the Settings > Security > Unknown Sources option. This is a one-time step and does not need to be repeated.
Tap the downloaded APK file and press Install. The installation takes just 30 seconds.
Open the app, log in to your 399k account, and start playing right away.
Visit the 399k download page using Safari on your iPhone or iPad. Other browsers may not work.
Tap the iOS download button. A confirmation popup will appear — tap Allow to proceed.
Go to Settings > General > VPN & Device Management and trust the 399k certificate.
Tap the 399k icon on your home screen, log in, and enjoy.
System Requirements & Details
| Android version | |
|---|---|
| Minimum Android | Android 6.0 (Marshmallow) |
| File Size | Approx. 45 MB |
| RAM requirement | 2 GB minimum |
| Storage | At least 100 MB free storage |
| Update frequency | Monthly (Auto Notifications) |
| Language | Bangla & English |
| iOS version | |
|---|---|
| Minimum iOS | IOS 13.0 or above |
| File Size | Approx. 58 MB |
| Compatible Devices | IPhone 8 or later |
| Storage | At least 120 MB free storage |
| Update frequency | Monthly (Auto Notifications) |
| Language | Bangla & English |
Once you download the app, a world of entertainment opens up. Sports Betting, Live Casino, slots, fish games — all in one place. No need to download separate apps.
The Sports Betting section covers odds for cricket, football, tennis, badminton, and all other major sports worldwide. Live Betting is a highlight of the app — you can follow score updates and odds changes in real time as the match unfolds.
In the Live Casino section, you can play Baccarat, Roulette, and Dragon Tiger with professional dealers. The app delivers excellent video streaming quality — no buffering even on moderate internet speeds.
The slots section features 500+ games — from Egyptian mystery themes to classic fruit slots, there's something for everyone. New slots are added every week. Fish Game fans will find several high-quality Fish Game tables available on the app.
Live chat support is available directly inside the app. No need to open a browser — talk to our support team right from the app. Support is available 24 hours a day, 7 days a week.
The 399k app works smoothly on all types of smartphones and tablets
Not just the app — 399k's mobile website is equally well-optimized. If you'd rather not install the app, you'll get the same quality experience right in your browser. That said, the app gives you the added benefits of faster loading speeds and push notifications.
Samsung, Xiaomi, Realme, Oppo, Vivo — the 399k app has been tested and confirmed to work correctly on all popular phone brands available in Bangladesh. It also runs on older models, as long as Android version 6.0 or above is installed.
Using the 399k app on a tablet takes the experience of playing slots and Live Casino to another level with a larger screen. It's also easier to follow multiple matches at once during live betting. The UI automatically adapts to fit the bigger display.
The app is updated regularly. Updates typically include new games, bug fixes, and performance improvements. You'll receive an automatic update notification when you open the app and can update right then if you choose.
Frequently asked questions about downloading and using the app
Responsible Gaming Notice: The 399k app is for users aged 18 and above only. Betting is for entertainment purposes, not a source of income. Set your limits and play responsibly. For more information, visit our Responsible gambling guidelines Read. Our Privacy Policy your information is fully protected in accordance with our policy.
Register for free, claim your welcome bonus, and start playing today.