Access the full by999 platform anytime, anywhere from your mobile. Live Casino, Sports Betting, slots — all in one app.
Official Download
The by999 app is available on both Android and iOS. Download it below for your device.
The by999 Android app can be installed on any Android smartphone or tablet. Simply download the APK file, enable "Unknown Sources", and install.
Android APK Download View Installation GuideIPhone and iPad users can install the by999 app directly via link. Open it in Safari and use the "Add to Home Screen" option.
iOS App Download View Installation GuideYou can use by999's web version without downloading the app at all. Just open by999.win in Chrome, Firefox, or Safari and enjoy the full experience.
Installation Guide
Follow these simple steps and the by999 app will be up and running on your phone in just 2 minutes.
Tap the "Download Android APK" button above. The file will be saved to your phone's Downloads folder.
Go to Settings → Security → Unknown Sources and enable it. Or, when you open the file, it will prompt you for permission — just tap "Allow".
Tap the by999.apk file in your Downloads folder, then press the "Install" button.
Once installation is complete, open the app, log in to your by999 account, and start playing.
Visit by999.win using Safari on your iPhone or iPad. It may not work correctly via Chrome.
Tap the Share icon at the bottom (or top) of the screen. A menu will appear with several options.
Select "Add to Home Screen" from the menu, enter a name, and tap "Add".
The by999 icon has been added to your Home Screen. Tap it and enjoy a full-screen app-like experience.
App Features
By999 is more than just a gaming app — it's a complete gaming platform. Deposits, withdrawals, checking promotions, viewing your VIP status — everything in one place.
Baccarat, Roulette, Dragon Tiger, and 50+ live tables with real dealers.
Bet live on cricket, football, tennis, and all major matches worldwide.
By999 is ready for you with thousands of slots, jackpots, and Megaways opportunities.
Deposit and withdraw in just minutes via bKash, Nagad, and Rocket.
Stay instantly updated on new promotions, deposit bonuses, and special offers.
Log in to your by999 account quickly and securely using fingerprint or Face ID.
Many people ask — you can play from the browser anyway, so why bother with a separate app? Honestly, by999 works great in the browser too. But a dedicated app comes with a few advantages you just can't get from a browser.
First, the app launches faster. Instead of waiting for a website to load in a browser every time, by999 opens instantly right from your home screen. Second, push notifications are exclusive to app users — you'll be notified right away about any special offers or updates to your account.
Third, the app supports biometric login (fingerprint or Face ID), so you never have to type your password. Fourth, the app's UI is built specifically for mobile, making it easier to scroll, place bets, and handle payments.
Yes, the by999 app is built with Bangladesh's network conditions in mind. Games load even on slow connections, and video streaming quality adjusts automatically to prevent buffering. You can join a Live Casino table even on a 3G connection.
That said, a 4G or Wi-Fi connection will always give you the best experience. A stable internet connection is recommended for HD streaming, fast game loading, and uninterrupted play.
It's natural to have questions about the by999 app's security. The app uses SSL encryption, so your login credentials and payment data are fully protected. by999 will never ask for your bank PIN, OTP, or full card number.
Always download the app from by999's official website. Never download an APK from third-party sites or messenger groups. Use a strong password and keep two-factor verification enabled to keep your account secure.
Compare
User Reviews
"by999 is really something. Took me only 2 minutes to install and Live Casino runs super smooth. Withdrawals via bKash are super fast too."
"I used to play from the browser, but since downloading the app it's been a much better experience. I get notifications now so I never miss a bonus. by999 is great."
"by999 runs perfectly fine on my old Samsung phone. Games load fast with zero lag. The support team is really helpful too."
FAQs
Register on the by999 app and get a special Welcome Bonus on your very first deposit. Live Casino, Sports Betting, and slots — all at your fingertips.