Android or iOS, smartphone or tablet — the 644 app works flawlessly on any device. Whether you're at home or on the go, betting never stops.
The 644 app is built with Bangladeshi users in mind. Fast loading, smooth navigation, and uninterrupted gaming — we made no compromises on any of these.
The app loads in just a few seconds and runs at the same speed on both 3G and 4G networks.
The full interface is available in Bengali, so even first-time users can navigate with ease.
Get match score updates, betting results, and promotion notifications delivered straight to your mobile.
Log in quickly and securely using Fingerprint or Face ID — no need to type your password every time.
Watch selected matches live right inside the app and place in-play bets at the same time.
Deposit in one click via mobile banking or card. Your balance updates instantly.
Whatever device you use, the 644 app is ready for you.
Android users can download the APK file directly and install it. Get the APK straight from 644's official site — no Google Play Store needed.
Before installing, go to Settings > Security > Unknown Sources and grant permission. The process is simple and takes just 1-2 minutes.
Click the APK Download Button
Enable Unknown Sources
Open the APK File and Install
Log In or Register
IPhone and iPad users can visit 644.bar in Safari and use the "Add to Home Screen" option. This is a PWA (Progressive Web App) that works just like a native app.
Adding a shortcut to your home screen gives you push notifications, quick access, and fullscreen gaming.
Open 644.bar in Safari
Tap the Share Button
Select "Add to Home Screen"
Tap the Add Button to Finish
No app download needed — you can access everything on 644.bar from any modern browser. Chrome, Firefox, Edge, or Samsung Internet all work equally well.
The site is built with a fully responsive design for mobile browsers, so reading and navigating on smaller screens is completely hassle-free.
Downloading and installing the 644 app is quick and straightforward. Just follow the steps below and you'll be up and playing in minutes.
Visit 644.bar and choose the Android APK or iOS link based on your device. Click the download button and the file will start saving immediately.
Android users need to allow "Unknown Sources" or "Install Unknown Apps" in Settings. This is a standard one-time process.
Open the downloaded file and tap "Install". Installation completes within 1-2 minutes and the 644 icon will appear on your home screen.
New users can register, and existing users can simply log in. That's all it takes — let's go!
| Features | Android | IOS / Browser |
|---|---|---|
| Minimum OS | Android 6.0+ | IOS 13.0+ |
| File Size | ~80 MB | PWA (no installation required) |
| Update Method | Auto-Update or Manual | Always the Latest Version |
| Biometric Login | Fingerprint Support | Face ID / Touch ID |
| Push Notifications | Full Support | PWA Notifications |
| Offline Mode | Limited Support | Limited Support |
| Language | Bengali & English | Bengali & English |
Mobile internet usage in Bangladesh keeps growing, and people now spend more time on their phones than on desktops. With that in mind, 644 has completely redesigned its mobile platform from the ground up.
Many platforms just shrink their desktop website down for mobile. 644 took a different approach. Our app was built mobile-first — every button, every menu, and every screen transition was designed with your fingers in mind.
Sports Betting through the 644 app has never been easier. Place in-play bets on runs or wickets during a cricket match in just a few taps. Joining pre-match betting markets for BPL or national team fixtures is just as simple.
The Live Casino section works fully within the app. Streaming quality while playing Baccarat or Roulette with a real dealer is just as smooth as on desktop. Video feeds load reliably even on 3G, thanks to 644's adaptive bitrate technology.
The app offers a distinct advantage for slots games. Animations can occasionally feel sluggish in a browser, but the native app delivers a much smoother experience — especially with progressive jackpot slots.
Transactions in the app are fully secure. You can deposit and withdraw via mobile banking, card payment, or e-wallet — every transaction is SSL-encrypted and verified in real time.
Another great feature is the notification system. Score updates for matches you've bet on are delivered directly to your phone. You'll get instant alerts when you win a bet or when a promotional offer goes live — so you never miss a thing, even when your phone is out of reach.
644 stays on top of app updates. Each regular update brings new features, performance improvements, and security patches. Android users can keep auto-update enabled or update manually whenever a notification comes in.
Night mode is enabled by default for a more comfortable experience. 644's dark theme is easy on the eyes and helps save battery by reducing screen brightness during late-night or low-light sessions. These small touches are what set 644 apart from the rest.
Your personal information is fully protected while using the 644 app. We never share your data with any third party.
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