The official by999 mobile app is now available. Sports Betting, Live Casino, fish games, bingo — everything is now right at your fingertips. Install in minutes and play with confidence.
Android, iOS, or straight from your browser — by999 works flawlessly on any device.
Runs on any smartphone or tablet with Android 5.0 or higher. Fast loading, low battery consumption.
APK DownloadA great experience on iPhone and iPad. Supports iOS 12.0 and above. Smooth performance guaranteed.
Get it on the App StoreNo app? No problem. by999 also works beautifully in any mobile browser — Chrome or Safari, your choice.
Play on web
Installing an APK for the first time might feel a little daunting, but with by999 it's genuinely straightforward. Just follow the steps below.
Note: To install the APK on your Android device, first enable "Unknown Sources" or "Install Unknown Apps" in your device settings. This is completely safe.
Tap the "Download Android APK" button on this page. The download will begin and the file will be saved to your phone's Downloads folder. The file is around 45 MB, so downloading over Wi-Fi is recommended.
Go to Settings > Security or Privacy on your phone. Look for the "Install Unknown Apps" or "Unknown Sources" option and enable it. You only need to do this once.
Find the by999 APK file in your Downloads folder and tap it. A popup will appear — tap "Install". The installation completes in just a few seconds.
Once installation is complete, you'll see the by999 icon on your home screen. Tap it to open the app, log in or register, and enjoy your favourite games or betting.
One app for the complete gaming experience — from Live Betting to cashback, it's all here.
Cricket, football, kabaddi — real-time odds update across all sports. Place your bet at any moment, straight from the app.
Slots, poker, baccarat, Fish Game, bingo — over 500 games in one app. There's never a dull moment.
The by999 app is extremely lightweight and optimized. It loads fast even on weak networks, with no lag or freezing.
Bkash, Nagad, Rocket — deposit and withdraw directly from the app. Transactions complete in just a few minutes.
Pre-match alerts, bonus offers, withdrawal confirmations — all updates delivered straight to your phone.
Dark mode is supported for a comfortable viewing experience during late-night sessions. Play for hours without straining your eyes.
The by999 app runs great on everything from the latest devices to older ones. See the details below.
| Features | Requirements |
|---|---|
| Operating system | Android 5.0 or above |
| RAM | Minimum 2 GB |
| Storage | 50 MB Free Space |
| Processor | Quad-core 1.4 GHz+ |
| Internet | 3G / 4G / Wi-Fi |
| File Size | 45 MB (APK) |
| Features | Requirements |
|---|---|
| Operating system | IOS 12.0 or above |
| Device | IPhone 6s or newer |
| Storage | 55 MB Free Space |
| RAM | Minimum 2 GB |
| Internet | 4G / Wi-Fi recommended |
| File Size | 52 MB |
Mobile internet usage in Bangladesh grows every day. People now spend more time on their smartphones than on laptops or desktops. With that reality in mind, by999 built its mobile app specifically with Bangladeshi users in focus.
One of the biggest strengths of the by999 app is how lightweight it is. At just 45 MB, it takes up minimal storage and uses very little battery. It runs well even on older Android phones. In areas with weaker networks — rural towns or the outskirts — by999 still runs fairly smoothly, something many users have praised.
The by999 app has full Bangla language support. Menus, notifications, support chat — everything can be read and understood in Bangla. Users who aren't confident in English can use by999 without any difficulty.
The by999 app also stands out for its payment options. Bkash, Nagad, and Rocket — Bangladesh's three most popular mobile banking services — are all integrated directly into the app. No need to switch browsers or jump between apps; you can deposit and withdraw without ever leaving by999.
By999 takes security just as seriously. The app features SSL encryption and two-factor login protection, keeping your account details and financial information completely safe. If any unusual activity is detected on your account, the system will alert you automatically.
Another great feature of the by999 app is live score updates. During cricket or football matches, you get real-time scores, wicket falls, and goals — all right inside the app. This is especially useful when placing live bets.
The most frequently asked questions about downloading and installing the by999 app.
Join millions of Bangladeshi users. Download now and claim your 100% welcome bonus.
Free Registration Login