Mobile App Now Available
Download the 399 Days App – The Best Mobile Gaming Experience, Right in Your Hands
Access the full 399 Days gaming world anytime, from anywhere. Our app is available on both Android and iOS.
Access the full 399 Days gaming world anytime, from anywhere. Our app is available on both Android and iOS.
Playing on the app is far more convenient and faster than on a browser. The 399 Days app is built specifically with Bangladeshi mobile users in mind.
The app is optimised to run games smoothly even on a weak internet connection. Whether you're on 3G or 4G, expect a seamless experience on any network.
256-bit SSL encryption and two-factor authentication keep your account and transactions completely secure. Your data is never shared with third parties.
Get instant notifications the moment a new bonus, tournament, or special offer goes live. Never miss an opportunity again.
Log in in just one second using your fingerprint or Face ID — no password typing needed, with maximum security.
All major Bangladeshi payment methods — bKash, Nagad, Rocket, and more — are available directly in the app. Both deposits and withdrawals take just a few minutes.
Dark mode activates automatically during evening play to reduce eye strain. The theme switches on its own based on your phone's settings.
The 399 Days app is more than just a place to play games — it's a complete entertainment platform. Slots, Live Casino, Sports Betting, virtual games — everything is available in one place.
Over 1,800 slots plus all the classic table games — blackjack, roulette, baccarat, and more — are right there in the app.
Play with real dealers in real time. HD streaming and interactive chat are even smoother on the app.
Join weekly and monthly tournaments and track your position on the leaderboard directly from the app.
Exclusive bonus and cashback offers are regularly available for app users only.
The 399 Days app performs brilliantly on both Android and iOS platforms.
Runs seamlessly on all popular Android devices, including Samsung, Xiaomi, Realme, and Oppo.
The app runs beautifully on all iPhones, from the iPhone 8 right up to the latest models.
Installing the 399 Days app is quick and easy. Just follow the steps below and you'll be up and running in as little as 5 minutes.
Open the 399 Days website in your mobile browser and navigate to the app section.
Android users, download the APK file. You'll need to enable "Unknown Sources" in your phone's settings first.
Once the download is complete, tap the file and press the "Install" button. Installation takes just a few seconds.
If you already have an account, log in — otherwise, sign up and enjoy your welcome bonus.
Not sure which is better? The comparison below makes it crystal clear.
| Features | 399 Days App | Mobile Browser |
|---|---|---|
| Loading Speed | Much Faster | Comparatively Slower |
| Biometric Login | Yes | No |
| Push Notifications | Yes | Limited |
| Exclusive Bonuses | Yes | No |
| Data Saving | Optimised | Uses More Data |
| Offline Mode (Demo) | Yes | No |
| Live Chat Support | Integrated | Yes |
| Screen Orientation | Auto-Rotate | Limited |
Many users have concerns about financial transactions on a mobile app — but payment security is the top priority on the 399 Days app. Every transaction is end-to-end encrypted and monitored in real time.
Deposits via bKash, Nagad, and Rocket process in just a few seconds. Withdrawals are typically completed within 15 minutes to 24 hours. No hidden charges or extra fees.
The minimum deposit amount is very low, making it easy for new users to get started. You'll receive an instant confirmation message after every successful deposit.
Mobile gaming is growing more popular in Bangladesh every day. People no longer wait to sit down at a computer — they want to play at home, at the office, even on the go. 399 Days built their mobile app with exactly this in mind.
The 399 Days app is designed so that any everyday Bangladeshi user can navigate it with ease. The menu is simple, navigation is straightforward, and the game search is smart. You can filter by category — slots, Live Casino, table games, or jackpot games.
Many users ask whether the app is truly safe. The answer is: absolutely. The 399 Days app is regularly audited by third-party security experts. The Random Number Generator (RNG) is certified, so all game outcomes are completely fair.
Another standout advantage of the app is that it saves both your battery and mobile data. Playing the same game in a browser can use up to 200 MB, whereas the app typically needs just 80–100 MB. For users on mobile data, this is a significant benefit.
New players on the 399 Days app receive a special welcome bonus. Open an account through the app for the first time and make your first deposit to claim an attractive bonus. Regular players also enjoy weekly reload bonuses and cashback offers.
The app gives you full access to the VIP program. Your VIP tier, points balance, and progress toward the next level are all visible at a glance on the app dashboard. 399 Days VIP members also receive priority customer service through the app.
All things considered, the 399 Days app is the top choice for mobile gamers in Bangladesh. An intuitive interface, fast loading, secure payments, and a massive game library — together they deliver an outstanding experience. Once you start using it, you won't want to go back to the browser.
Create a free account in just a few minutes. All you need is a mobile number and a password.
Download the Android APK or iOS version, whichever suits your device.
Make a minimum deposit via bKash, Nagad, or Rocket and claim your bonus.
Pick your favourite games and dive into the incredible gaming world of 399 Days.
Download the 399 Days app now and join thousands of gamers. Register for the first time and claim your exclusive welcome bonus.