Latest Version Available

Download the 77bj App — The Best Betting Experience on Android & iOS

The official 77bj app is now available for free in Bangladesh. Play from any smartphone — anytime, anywhere.

Virus-free · SSL secured · Free

v4.8.2
Latest Version
32 MB
APK File Size
5 Lakh+
Active Users
4.7★
User Rating
Android 5.0+
Minimum Android Version
iOS 12+
Minimum iOS Version
60 FPS
Smooth Gameplay
24/7
App Support
77bj

Your Platform Choose

The 77bj app is available on both Android and iOS.

iPhone / iPad

IOS App

IPhone and iPad users can find the 77bj iOS app on the App Store, or use it directly as a web app through any mobile browser.

Version v4.8.1
Size 41 MB
OS iOS 12.0+
Updates July 2026
You can also play without the app!

Open 77bj.biz in any smartphone browser (Chrome, Firefox, Safari) and you'll get the fully mobile-optimized web version. All features are available — no app installation required.

On Android How to Install

Install the 77bj app in just 5 simple steps.

1
Download APK

Tap the "Download APK" button above. The file will be saved to your phone's Downloads folder.

2
Enable Unknown Sources

Go to Settings → Security → Unknown Sources (or "Install unknown apps") and enable the option. You only need to do this once.

3
Open the APK file

Go to your Downloads folder and tap the 77bj_v4.8.2.apk file. Then tap the "Install" button.

4
Wait for the installation to complete

Installation typically takes 30 seconds to 1 minute. You can also install it without an active internet connection.

5
Log in & play

Open the app, log in to your 77bj account, and start playing. New users can register in just 60 seconds.

On iOS How to Install

There are two ways to use it on iPhone or iPad.

Method 1: From the App Store
1

Open the App Store and search for "77bj".

2

Once you find the 77bj app, tap the "Get" button.

3

Once the download is complete, open the app and log in.

Method 2: Via Safari as a PWA
1

Open 77bj.biz in Safari.

2

Tap the Share icon at the bottom → select "Add to Home Screen".

3

The 77bj icon will be added to your home screen — use it just like a regular app.

77bj

77bj App Key Benefits

Why thousands of users in Bangladesh choose the 77bj app.

Ultra-fast loading

Loads in just 2 seconds even on a 3G network. The app performs reliably regardless of slow internet.

256-bit SSL Protection

Your personal data and payment details are fully encrypted and never shared with any third party.

Works on All Smartphones

Runs smoothly even on older Android phones (4 GB RAM). Specially optimized for budget device users.

Push Notifications

Get bonus offers, jackpot updates, and live match scores delivered straight to your phone as notifications.

Full Bangla Interface

The entire app is in Bengali — menus, bonus info, game descriptions, all in your native language.

Mobile Pay / Nagad Direct

Deposit and withdraw via Mobile Pay or Nagad directly within the app — no need to switch to another app.

Low-Data Mode

With Data Saver mode enabled, the app uses 60% less data than normal.

Fingerprint Login

Log in instantly with your fingerprint or Face ID — no password needed.

Automatic Updates

The app updates itself whenever a new version is available. No action needed — you're always on the latest version.

77bj

App vs. Web Comparison

A quick comparison between the app and web versions.

Features Android App iOS App Web Browser
Push Notifications
Fingerprint Login
Live Streaming
Low-Data Mode
Mobile Pay In-App Payment
Installation required Yes (32 MB) Yes (41 MB) No
All Games Available
Dark Mode

System Requirements

Here's what your phone needs to run the 77bj app.

Android Requirements
  • OS Version: Android 5.0 (Lollipop) or above
  • RAM: Minimum 2 GB (4 GB recommended)
  • Storage: 50 MB free space
  • Processor: Quad-core 1.4 GHz or higher
  • Internet: 3G / 4G / WiFi
  • Unknown Sources: Enable from Settings
iOS Requirements
  • OS Version: iOS 12.0 or later
  • Device: iPhone 6s or later
  • Storage: 60 MB Free Space
  • iPad: iPad Air 2 or later
  • Internet: 3G / 4G / 5G / WiFi
  • Apple ID: For App Store Downloads

Users Rating

4.7

42,850 ratings

5★
72%
4★
18%
3★
6%
2★
2%
1★
2%

"Works great even on my old Walton phone. I used to log in through the browser — having the app makes it so much easier."

Jamal Hossain
Bogura

"The biggest convenience for me is being able to deposit directly into the app via Mobile Pay."

Nasrin Akter
Dhaka, Mohammadpur

"Took less than 5 minutes to install. Enabling Unknown Sources felt a bit daunting at first, but everything went smoothly."

Rafiqul Islam
Chattogram, Patharghata

"Added it to my home screen from Safari on iPhone. Works exactly like a real app — you can't tell the difference."

Sumaiya Khanam
Sylhet, Ambarkhana
77bj

About the 77bj App Details

Mobile betting in Bangladesh is nothing new. Most people prefer playing on their phones — sitting down at a computer isn't always practical. 77bj understands this, which is why the app was built with everyday Bangladeshi smartphone users in mind.

Why does it need to be downloaded in APK format?

A common question people ask is — why isn't it on the Google Play Store? The reason is that online betting apps in Bangladesh are generally not listed on the Play Store. This applies not just to 77bj, but to most betting platforms worldwide. Downloading directly in APK format is simply the standard method. Installing from Unknown Sources is safe — as long as the source is trustworthy, such as directly from the official 77bj website.

Many people worry that installing an APK might introduce viruses to their phone. The 77bj APK goes through regular security testing. You can also verify the file's integrity at download time by comparing it against the SHA-256 hash listed on the page — this confirms the file is unmodified and exactly as intended.

How do I get app updates?

The 77bj app checks for updates automatically. If a new version is available when you log in, you'll receive a notification. Just tap "Update" and the new version will install over the existing one. All your data — account balance, betting history, and settings — will be carried over automatically.

How Much Data Does It Use?

This is an important question for many users. With 77bj's low-data mode enabled, a typical gaming session uses just 15–20 MB of data. Live Casino games use a bit more — roughly 50–80 MB per hour. For comparison, watching a single YouTube video can consume several times that amount. So data usage really isn't something to worry about with the 77bj app.

What to Do If Installation Fails?

You may occasionally see an "App not installed" or "Parse error" message. The most common reasons are:

  • Incomplete download — please download again
  • Phone storage is full — free up space by deleting some files
  • Outdated Android version — the app requires Android 5.0 or above
  • Unknown Sources not enabled — turn it on from Settings

If none of the above steps resolve your issue, reach out to 77bj's support team. Live chat support is available 24 hours a day.

Pro Tips: After installing the app, set up fingerprint login right away. Next time you open it, you won't need to type your password — just place your finger and you're in.

All things considered, the 77bj app is a complete solution for mobile betting in Bangladesh. It's lightweight, fast, available in Bengali, and fully integrated with local payment systems. Try it once and you'll understand why so many people have made 77bj their first choice.

Fast Download
Android APK
v4.8.2 · 32 MB
APK Download
iOS App
v4.8.1 · 41 MB
App Store

Don't have an account yet?

Register for Free

Having Trouble? Our FAQ Check it out or let us know via live chat.

About Downloads FAQs

Answers to the most frequently asked questions.

Yes, downloading and installing the 77bj app is completely free. There's no subscription or monthly charge to use the app either. You only need to make a deposit when you want to place bets.

Downloading an APK from a trusted source is safe. The APK from 77bj's official site is malware-free and regularly security-tested. Once installation is complete, you can turn Unknown Sources back off if you prefer.

No. Under 77bj's policy, each person is allowed only one account. Only one account can be logged in per device. Creating multiple accounts may result in all of them being permanently suspended.

Absolutely. The 77bj website is fully optimized for mobile browsers. Simply open 77bj.biz in Chrome, Firefox, or Safari to access all features. That said, the app offers the added benefit of push notifications and fingerprint login.

The app runs on any phone with Android 5.0 or above. 2 GB RAM is enough for smooth performance, though 3 GB or more is recommended for the best Live Casino experience.
বাংলা