Mobile app

Download the 399d App — Faster and Easier Betting on Android and iOS

Anywhere, anytime — cricket, football, slots, and more, all in one place on the 399d app. Live scores, real-time odds, and fast payments, all on mobile.

4.8/5 Rating
500,000+ Users
100% Secure
Fully in Bangla
399d
5 L+
App Download
4.8★
Average rating
30+
Sports categories
24/7
Bangla support

Choose your platform

The 399d app is available on both Android and iOS. Install it and start betting in minutes.

Android App

Download the APK directly on any Android phone. No Google Play Store required.

Version 3.2.1 • 48 MB
Android 6.0+
Bangla language supported
Dark Mode available
Download APK

IOS App

Download the 399d app from the App Store on your iPhone or iPad. Compatible with iOS 13 and above.

Version 3.2.0 • 56 MB
iOS 13.0+
Face ID / Touch ID
iPad supported
Get it on the App Store

Mobile web

You can also access the full 399d experience through a mobile browser — no installation needed.

All browsers supported
Chrome / Safari
No download required
All features active
Open in browser

Why is the 399d app Bangladesh's best betting app?

When mobile betting comes up, most bettors ask the same questions — does the app actually work properly? Can I use it in Bangla? Will withdrawals be a hassle? The 399d app was built with exactly those concerns in mind.

This isn't just a foreign app with a Bangla translation — 399d was designed from the ground up for Bangladeshi users. The interface is in Bangla, Mobile Banking and Nagad are built right into the payment options, and the app is kept lightweight to minimize load times, because reliable high-speed internet isn't always available here.

399d

Live Betting Interface on the 399d App — Real-Time Scores and Odds Updates

Key app features

The 399d mobile app offers features you won't find in most betting apps. Here's a quick look at the key highlights:

  • Live betting: You can place bets with real-time odds on live matches. Odds update every 30 seconds.
  • Live streaming: Watch live video streams of selected matches directly in the app — no separate app needed.
  • Mobile Banking / Nagad payment: Deposit and withdraw directly via mobile banking. Funds arrive within 15–30 minutes in most cases.
  • Push notifications: Get instant notifications before a match kicks off, when a goal is scored, or when a withdrawal is completed.
  • Bet slip saving: Add multiple bets to your bet slip and confirm them all at once.
  • Accumulator builder: Combine multiple matches into one bet and watch the odds multiply.
  • Dark Mode: Switch to a dark interface that's easier on your eyes at night.
  • Fingerprint / Face Unlock: Log in quickly without entering your password every time.
Fast loading

Works fast on low data — runs smoothly even on a 3G network.

Encrypted security

Your data and transactions are protected with SSL and 256-bit encryption.

Smart Notifications

Get only the updates that matter — no spam, customize your settings your way.

Full Bangla

Everything from the menu to notifications is in Bangla — no foreign language hassle.

Live odds tracker

Track odds movements on a graph and place your bet at exactly the right moment.

In-app wallet

View your balance, bonuses, and withdrawal history all in one place.

How to install the 399d app on Android

Many users have doubts about installing an APK on Android. In reality, it's quite straightforward — just follow a few simple steps.

1
Enable "Unknown Sources" in Settings

Go to your phone's Settings → Security or Privacy and enable "Install unknown apps" or "Unknown sources". This only needs to be done once for APK installations.

2
Download the APK file

Tap the Download button. The file will be saved to your phone's Downloads folder. The download typically takes 1–2 minutes to complete.

3
Open and install the APK file

Tap the file from the notification bar or go to the Downloads folder in your File Manager. Tap "Install" to begin installation.

4
Log in or register

Open the app and log in to your 399d account. New users can register directly through the app.

5
Deposit and start betting

Deposit using Mobile Banking or Nagad. Your welcome bonus will be added automatically and you can start betting right away.

399d

How to Install the 399d App — A Simple, Quick Process

How to get the 399d app on iOS

IPhone and iPad users can download the 399d app directly from the App Store. Search for "399d" in the App Store or tap the link below. Once installed, you can log in quickly every time using Face ID or Touch ID.

The iOS app includes iCloud backup support — so if you switch phones, your betting history and settings carry over seamlessly. On iPad, the larger screen lets you track multiple matches at the same time.

Tip: An Apple ID is required to download the iOS app. If you don't have a Bangladeshi App Store account, you can still download it using an account from any other country.

App security and privacy

The 399d app treats the security of your personal data and transactions as a top priority. It uses 256-bit SSL encryption — the same standard used in banking — and also supports two-factor authentication (2FA) for added account protection.

The app will never ask for your banking app password or PIN. 399d only uses your own platform login credentials. If anyone contacts you by SMS or phone claiming to be 399d and asking for a password, it may be a scam — stay alert.

Warning: Only download the app from 399d's official website or app store. Downloading from third-party sources can be dangerous.

App technical specifications

Subject Android IOS
Minimum OS version Android 6.0 (Marshmallow) IOS 13.0
File size 48 MB 56 MB
Version 3.2.1 3.2.0
Language Bangla, English Bangla, English
In-app payment Mobile Banking, Nagad, Rocket Mobile Banking, Nagad, Rocket
Biometric login Fingerprint Face ID / Touch ID
Dark Mode Yes Yes
Offline mode Limited (statistics) Limited (statistics)
Live streaming Yes Yes
Last updated January 2026 January 2026

Sports and Games Available on the 399d App

The app is more than just a betting tool — it's a complete gaming platform. From cricket and football to online slots, Live Casino, and bingo, everything is available in one app.

  • Cricket Betting: IPL, BPL, Test, ODI, T20 — live and pre-match bets across all formats.
  • Football: Premier League, La Liga, Champions League, Bangladesh Premier League, and 500+ more leagues.
  • Slot Games: 300+ slots titles, with jackpots and free spin offers.
  • Live Casino: Baccarat, Roulette, and Blackjack with real dealers.
  • Bingo: Fun bingo games with new prizes every day.
  • Virtual Sports: Keep betting during the break with Virtual cricket and football.

New tournaments and promotions are added every day. Keep notifications enabled on the 399d app so you never miss an offer.

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Sports Betting and Game Lobby on the 399d App — All in One Place

What to do if you have a problem with the app

Most issues are resolved simply by clearing the cache or updating the app. For more complex problems, our support team is available 24/7 in Bangla.

  • If the app crashes: Restart your phone and install the latest version of the app.
  • Login issues: Use the password reset option or contact us via live chat.
  • If a payment gets stuck: Keep a screenshot of the transaction and send it to support — most cases are resolved within 30 minutes.
  • Video buffering: Check your network connection and lower the video quality.

Frequently asked questions

Yes, the 399d app is completely free to download and install. There are no charges for either the Android or iOS version. You only need to make a deposit for betting and gaming.

The official 399d APK is completely safe and malware-free. Always download it from the official site only — downloading from third-party sources may put your device at risk.

Yes, the 399d app supports direct deposits and withdrawals via three mobile banking services — Mobile Banking, Nagad, and Rocket. Your account balance is typically updated within 15–30 minutes.

The 399d app runs on any phone with Android 6.0 or above. At least 2 GB of RAM is recommended for smooth performance. Live streaming quality may be slightly reduced on older devices.

Yes. You have one 399d account — the same login works on both the website and the mobile app. Your balance, bet history, and settings stay synced across all devices.

Android users will receive automatic update notifications when opening the app. iOS users can update directly through the App Store. It's always recommended to use the latest version.
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