No more sitting in front of a laptop. Install the 399bot app on your smartphone and enjoy the full gaming experience whenever and wherever you want.
The 399bot app is fully featured on both Android and iOS.
Download the APK directly and install it in under a minute
APK • FreeEnjoy the full gaming experience on iPhone and iPad
PWA • App Store
With 399bot app, it's not just about playing on mobile — the entire experience takes on a whole new dimension.
Thanks to optimized code and CDN technology, the app loads fully in under 2 seconds.
256-bit SSL encryption and two-factor authentication keep your account secure at all times.
New bonuses, big win alerts, or your withdrawal status — you'll get every notification the moment it happens.
Use every inch of your mobile screen for gaming. From Live Casino to slots — every game looks great.
Uninterrupted gaming even on a weak connection. The app runs smoothly on 3G or even an Edge connection.
Deposit and withdraw via bKash, Nagad, or Rocket right from the app — in just a few seconds.
Reach the support team via live chat right inside the app for help with any issue.
Exclusive bonuses and free spin offers available only to app users — not available on desktop.
The entire interface is in Bangla — menus, buttons, notifications, everything is readable and understandable in Bangla.
Just a few steps and the 399bot app will be up and running on your Android phone.
Start by creating your account on 399bot. If you already have one, just log in directly.
Go to your phone's Settings → Security → Unknown Sources or Install Unknown Apps and enable the option.
Download the latest APK file from the official 399bot page. The file size is just 34 MB.
Tap the downloaded file and click the Install button. Installation completes within 30 seconds.
Open the app, log in with your username and password, and start playing right away.
The 399bot APK file is virus-free and verified by third parties. No malware or spyware.
Add the 399bot app on your iPhone or iPad and use it just like a native app.
Use Safari on your iPhone or iPad. PWA support is limited on Chrome and Firefox.
Open 399bot.com in Safari and log in to your account.
Tap the Share icon at the bottom of the screen and select "Add to Home Screen".
Enter "399bot" as the name and tap the Add button. The app icon will appear on your home screen.
From now on, tapping the 399bot icon on your home screen will open it as a fullscreen app.
A Progressive Web App (PWA) is a technology that lets you use a website just like a native app — no App Store required.
Smartphone usage in Bangladesh keeps growing, and with it, people want to do everything on mobile — from banking to entertainment. 399bot built its mobile app with exactly this reality in mind.
Many online gaming platforms offer a mobile experience that falls well short of their desktop version — small buttons, slow loading, and complicated payments. None of those issues exist in the 399bot app. Every button is designed to be the perfect size for touch, and every game fits beautifully on a mobile screen.
One of the biggest advantages is how seamless bKash and Nagad integration is in the 399bot app. Deposits take just three taps, and withdrawals are just as quick. No complicated steps, no long waits.
Live casino games on mobile typically consume a lot of data and video streams often stutter. The 399bot app uses adaptive streaming technology that automatically adjusts video quality to match your internet speed, so you can enjoy Crazy Time or Lightning Roulette on mobile without any interruptions.
Slots deserve a special mention. The 399bot app has over 500 slot games, all optimized for touchscreen. One finger to spin, two fingers to zoom — the interface feels so natural it doesn't seem like a gaming app at all, more like a native app on your own phone.
The notification system is genuinely useful. It alerts you instantly when a new bonus drops, sends reminders before a tournament kicks off, and confirms when your withdrawal goes through. These small touches are what make the 399bot app experience stand out.
Battery usage has been thoughtfully designed too. While many gaming apps are heavy on battery, the 399bot app includes a built-in battery saver mode that reduces background processes to keep your battery going longer.
All things considered, the 399bot app is more than just a mobile version — it's a fully standalone mobile gaming platform built around the needs and environment of users in Bangladesh.
Make your first deposit through the app and get an extra 20% bonus — exclusively for mobile app users.
A few experiences from among thousands of satisfied users.
"Ever since I installed the 399bot app, I don't need to open my laptop anymore. Everything works right from my phone, and bKash withdrawals come through fast."
"The app runs so smoothly that I sometimes forget it's a gaming site. Load times are almost non-existent, and Crazy Time works great."
"The notification feature is genuinely useful. It alerts me the moment a bonus drops, so I never miss out. I can't imagine using 399bot without the app now."
"I added it as a PWA on my iPhone and it feels just like a native app. Face ID login makes it super convenient."
"Internet can be spotty in rural areas, but the 399bot app holds up fine. Turn on low-bandwidth mode and it runs perfectly."
"The app bonus genuinely surprised me. I got 20% extra on my first deposit — that's a pretty generous deal."
Answers to the most frequently asked questions about the 399bot app.
Register, download the app, and claim an exclusive mobile bonus on your very first deposit.