Anywhere, anytime — slots, Sports Betting, Live Casino, and more, all at your fingertips with the 3999bid app. Fast loading, smooth navigation, and a fully mobile-first experience with Mobile Banking-Nagad payment support.
Online gaming in Bangladesh has moved well beyond the desktop. Most people now do everything on their smartphones — banking, shopping, entertainment. 3999bid was built with that in mind, offering a full-featured mobile app that gives you everything a desktop would, right in your hand.
The app is designed with Bangladeshi users in mind. It runs smoothly even on slow internet connections, and all games load correctly even in data-saving mode. The 3999bid app includes a Bengali interface, local payment gateways, and customer support aligned with Bangladesh Standard Time.
Android users can download and install the APK file directly. iOS users can add a shortcut to their home screen via Safari for a full app-like experience. 3999bid ensures the same quality gaming is available on both platforms.
Make your first deposit through the 3999bid app and get an extra 15% cashback — exclusive to mobile app users. App-only free spin offers are also available every week.
Everything you used to search for across separate platforms, now in one app.
The 3999bid app loads in just 2–3 seconds. Games run without buffering even on a 3G connection. Jump straight into the action with no waiting around.
SSL encryption, two-factor authentication, and biometric lock — your account and funds stay fully protected in the 3999bid app.
Slots, Live Casino, Sports Betting, crash games — every game type in one app. Includes titles from top providers like Pragmatic Play and NetEnt.
The app does not crash if your internet connection drops temporarily. When the connection is restored, you can pick up right where you left off.
Match results, jackpot updates, bonus offers — get them all instantly via push notifications. You can customize which notifications you receive.
Deposit and withdraw via Mobile Banking, Nagad, and Rocket directly from the app. Funds reach your mobile wallet within 30 minutes.
Get real-time odds updates for Sports Betting. Place in-play bets while a match is live — all from within the app.
Even at 3 AM, 3999bid's support team is on standby. You can reach them via live chat directly from within the app.
Dark mode is available for a more comfortable viewing experience at night. Reduce screen brightness and play for hours without any eye strain.
Installing the 3999bid app on Android is straightforward. Even though it is not on the Google Play Store, you can download the APK file directly and install it in just a few minutes.
Open Chrome or any browser on your Android phone and go to the official 3999bid website.
Go to the app page and tap the "Download Android APK" button. The file will download in just 1–2 minutes.
Go to Settings → Security → Unknown Sources and enable it. You only need to do this once. After that, you can install any APK.
Tap the downloaded APK file and press "Install". Installation completes in just 30 seconds.
Once installation is complete, open the app. Log in if you already have an account, or register a new one — it only takes 2 minutes.
The 3999bid app works on any phone running Android 6.0 or above. All you need is at least 1 GB RAM and 100 MB of free storage. Tested on Samsung, Xiaomi, OPPO, Vivo, and more.
IPhone and iPad users can install the 3999bid PWA (Progressive Web App) using the "Add to Home Screen" feature in Safari. It works just like a native app.
Open Safari on your iPhone or iPad. This feature does not work in Chrome or Firefox — Safari is required.
Open the 3999bid website in Safari and wait for the page to fully load.
Tap the Share icon at the bottom center of your screen (the square with an arrow pointing up).
Find the "Add to Home Screen" option in the share menu and tap it. Leave the name as-is and tap "Add".
The 3999bid icon will now appear on your home screen. Tap it to open the full-screen app experience.
The 3999bid PWA works on any iPhone or iPad running iOS 13 or above. Best performance is on iPhone 8 and later models. Keep Safari updated to ensure all features work properly.
See a quick side-by-side comparison of the 3999bid app and the mobile browser version.
| Features | 3999bid App | Mobile browser |
|---|---|---|
| Loading speed | ✔ Very fast | Medium |
| Push notifications | ✔ Full Support | ✘ Limited |
| Biometric login | ✔ Fingerprint/Face | ✘ None |
| Offline Stability | ✔ Crash-free | Page may reload |
| App-Exclusive Bonuses | ✔ Extra 15% | ✘ None |
| Data Usage | ✔ Low (optimized) | Comparatively higher |
| Home screen shortcut | ✔ With icon | Must be added manually |
| Dark Mode | ✔ Built-in | Depends on system settings |
| Game Quality | ✔ HD graphics | HD Graphics |
| Installation | APK / PWA required | ✔ Nothing required |
Installing the app is just the first step — a few quick settings adjustments will make your experience much better.
After installing the app, open it on a Wi-Fi connection the first time. This caches the game graphics and data, so mobile data usage is significantly lower afterwards.
With notifications enabled, you'll get weekly free spins, cashback offers, and match reminders straight to your screen. Some exclusive deals are only available for a few hours.
Skip the hassle of typing your password every time — go to Settings and enable fingerprint or face lock. It's secure and fast.
Battery saver mode can cause lag in live games. Turn it off when playing Live Casino or placing in-play bets.
3999bid regularly releases app updates with new games, improved performance, and security patches. When you get an update notification, install it promptly.
Go to your account settings and enable Two-Factor Authentication (2FA). Once active, no one else can access your account.
The 3999bid app uses SSL 256-bit encryption. All financial transactions are secured to PCI-DSS standards. Your personal information is never shared with third parties.
Sign up, install the app, and enjoy a 100% bonus on your first deposit.