Whether you use Android or iOS, the 3999com app is fully optimized for your device.
The 3999com app installs easily on any device running Android 6.0 or above. Download the APK file directly and complete setup in just 2 minutes.
Download on AndroidThe 3999com iOS app is fully optimized for iPhone and iPad. It runs seamlessly on any Apple device with iOS 13.0 or above.
Download on iOS
This is not just a mobile version of the site — it was built from the ground up with mobile gamers in mind.
The 3999com app loads in just 2–3 seconds. Smart caching technology keeps games running smoothly even on slower networks.
256-bit SSL encryption is active throughout every session. Your login credentials and transactions are fully protected — no third-party access whatsoever.
New bonuses, deposit confirmations, withdrawal status — every update gets delivered to your phone instantly.
Log in with your fingerprint or Face ID in under a second. No more typing passwords.
Switch on dark mode for a more comfortable gaming experience at night. It can also change automatically based on your phone's system settings.
Deposit and withdraw using Mobile Banking, Nagad, or Rocket directly within the app — no need to switch to a separate browser.
The mobile gaming experience is worlds apart from playing on a website. Browsers often take longer to load pages, the interface doesn't fit small screens well, and making payments means jumping between apps. 3999com has completely reimagined this experience with a dedicated mobile app.
The app was designed with Bangladeshi users in mind. The interface is available in Bengali, Mobile Banking and Nagad are directly integrated, and games display correctly on any screen size.
Some people think there is no reason to download a separate app when you can just play in a mobile browser. In practice, though, the app delivers noticeably better performance — faster graphics loading, lower battery consumption, and smoother gameplay even on weak networks.
On top of that, you won't need to enter your password every time you open the app. Set up biometric authentication and a single touch is all it takes. Overall, the app saves you time and delivers a much smoother experience.
The 3999com app gives you access to the full game library, just like the website. No game is app-exclusive or browser-exclusive — everything works the same across all platforms.
Hundreds of slot games are right at your fingertips in the app. From classic 3-reel slots to modern video slots, there's something for every type of slots player. Popular and new slots are featured separately on the app's home screen, so finding your favorite game takes no time at all.
Place live bets on cricket, football, badminton, and all major local and international sports right from the 3999com app. Live match scores and odds refresh in real time, making it easier to place the right bet at the right moment.
Fish games are hugely popular in Bangladesh right now. The 3999com app features multiple fish game tables where you can play alongside friends. The Live Casino section also lets you play blackjack, roulette, and baccarat with real dealers.
After your first login on the 3999com app, set up auto-login and biometric authentication. This saves you from typing your password every time and keeps your account more secure.
Installing the 3999com app is straightforward. Android users can download the APK file directly, while iOS users can find it on the App Store. Step-by-step instructions for both platforms are listed below.
| Features | Android | IOS |
|---|---|---|
| Minimum OS Version | Android 6.0 | IOS 13.0 |
| File Size | ~42 MB | ~38 MB |
| Installation Method | APK File | App Store |
| Biometric Login | ✔ Supported | ✔ Supported |
| Push Notifications | ✔ | ✔ |
| In-App Payments | ✔ Mobile Banking/Nagad | ✔ Mobile Banking/Nagad |
| Dark Mode | ✔ | ✔ |
| How to Update | Automatic / Manual | App Store |
Security is a serious concern in online gaming apps. Many users worry about whether their personal information and payment data are safe. 3999com makes no compromises on this.
Every connection in the app is protected with 256-bit TLS encryption. Unusual login activity triggers an automatic alert. Enabling two-factor authentication (2FA) brings your account's risk of being compromised to virtually zero.
Always download the APK from 3999com's official website or app. APK files from third-party sites may contain malware and could compromise your device and account.
Occasionally, minor issues may come up during installation or login. These are generally easy to fix.
If none of the above solutions work, 3999com's 24/7 support team is always ready to help. Reach out via live chat or email for a quick resolution.
Creating a new account on the 3999com app takes just three minutes. Register with your mobile number or email, verify your profile, and claim your welcome bonus on your first deposit.
The bonus is credited directly to your wallet and can be used across all game types. Once you meet the wagering requirements, any winnings from the bonus can be withdrawn as well. This is one of the most attractive advantages 3999com offers compared to other platforms in Bangladesh.
Install the 3999com app on your phone in just a few steps and start playing right away.
Go to the official 3999com website and click the "Download Android App" button.
Go to Settings → Security → Unknown Sources and enable the option to allow APK installation.
Tap the downloaded APK file and press the "Install" button.
Open the app, then log in to your existing account or create a new one.
Open the App Store on your iPhone or iPad and search for "3999com" in the search bar.
Once you find the official 3999com app, tap "Get" or the download button.
Installation will complete within 1–2 minutes depending on your internet connection.
Launch the 3999com app from your home screen, then log in or register to start playing.
Here are answers to the most frequently asked questions about the 3999com app.
Download for free on Android or iOS and discover a whole new gaming experience.
