Choose Your Platform
The 21tbajee app is completely free to download on both Android and iOS.
Android App
Version 3.2.1 | 48 MBWorks on any device running Android 5.0 or above. Install the APK file directly — no Play Store required.
- Android 5.0+ Supported
- File size only 48 MB
- Auto-Update
- Push Notifications Enabled
- Dark Mode Support
IOS App
Version 3.2.1 | 62 MBFully optimized for iPhone and iPad. Runs smoothly on iOS 12 and above, with Face ID support.
- iOS 12.0+ Supported
- File size 62 MB
- Face ID & Touch ID Login
- Full-Screen Mode on iPad
- iCloud Backup Compatible
Why Use the 21tbajee Mobile App
Mobile internet usage in Bangladesh grows every day, and most people now handle everything on their smartphones rather than a desktop. With that reality in mind, 21tbajee has built a full-featured mobile app that offers everything the website does — and in some ways, even more.
The app launches in just two seconds — no waiting around on a loading spinner. You get instant notifications when odds change during a live match, and deposit or withdrawal updates come through right away. All in all, a smart, hassle-free experience.
Battery & data-efficient design
Many betting apps drain your battery quickly or use up more data than they should. The 21tbajee app was designed with this in mind — background activity is kept to a minimum, and images and media are compressed automatically. The result is a smooth experience even on a weak network.
Secure Login & Account Protection
On iOS, you can log in with Face ID or Touch ID. Android supports fingerprint login. You can set an auto-logout timer for each session, and an SMS alert is sent immediately if anyone attempts to access your account from an unrecognized device.
Installation Guide
Get the 21tbajee App Installed in Just a Few Minutes
How to Install on Android
Open Settings
Go to Settings > Security or Privacy on your phone and enable "Unknown Sources" or "Install Unknown Apps".
Download APK
Click the download button on 21tbajee. The APK file will be saved automatically to your Downloads folder.
Install
Tap the downloaded file, press "Install", and approve the permissions.
Log In
Once installation is complete, open the app. Log in to your existing 21tbajee account or create a new one.
How to Install on iOS Devices
Open Safari
On your iPhone or iPad, open Safari and go to the 21tbajee download page.
Tap the Download Button
Tap the iOS download button. You'll be taken to a confirmation page.
Trust
Go to Settings > General > VPN & Device Management and tap Trust for 21tbajee.
Start Playing
You'll see the app icon on your home screen. Tap to open it and log in.
Please note: After installing the app, reach out to 21tbajee's 24/7 live chat support for help with any issues. Our team is always ready to assist in Bangla.
App vs Mobile Browser
Which one is right for you?
| Features | 21tbajee App | Mobile Browser |
|---|---|---|
| Loading Speed | Lightning Fast | Depends on network connection |
| Push Notifications | Yes | None |
| Biometric Login | Face ID / Fingerprint | None |
| Offline Mode | Partial | None |
| Data Usage | Low | Relatively higher |
| Live Score Widget | Yes | Limited |
| Quick Deposit Shortcut | Yes | None |
| Battery Saving | Optimized | Higher usage |
What You Get with the 21tbajee App
21tbajee is more than just betting — it's a complete entertainment platform. You can bet on thousands of sports events, from cricket, football, and tennis to kabaddi. The same app also gives you Live Casino, slots, Teen Patti, and much more.
Live scores for ongoing matches are displayed directly on the app's home screen. You'll receive notifications whenever odds change before or after a match starts, so you never miss a better price.
Instant Transactions via Mobile Pay & Nagad
You can deposit directly from Mobile Pay, Nagad, or Rocket right within the app — no need to open a separate browser or log in elsewhere. Payment history and withdrawal status are all tracked in one place.
Bonus & Promo Tracker
Details on active bonus offers, free bets, and cashback are available under the "Promotions" tab in the app. You can see exactly how much time is left on each bonus and how much of the turnover requirement has been met — all in real time.
Full Bangla Interface
The app's entire interface is in Bangla — menus, buttons, notifications, everything. This is especially helpful for users who aren't comfortable navigating in English.
Key App Features
- Live Sports Betting & Real-Time Odds
- Live Casino: Baccarat, Blackjack, Roulette
- Teen Patti, Andar Bahar & local games
- High-volatility slots & jackpot games
- In-App Mobile Pay & Nagad Payments
- Live Chat Support in Bangla
Minimum System Requirements
- Android: Version 5.0 or above, 2 GB+ RAM
- iOS: Version 12.0 or above
- Internet: 3G or above (4G recommended)
- Storage: At least 100 MB of free space
- Screen: 4-inch display or larger
- Battery: works best with background refresh enabled
Is the 21tbajee app really safe?
Security comes first when betting online. No matter how many features an app offers, it means nothing if your account details or payment data aren't protected. 21tbajee treats this as its top priority.
Every transaction in the app is secured with 256-bit SSL encryption. Your personal information and payment data are never shared with third parties. You'll receive an SMS and in-app notification as soon as your account is logged into, and any login attempt from an unrecognized device will require additional verification.
21tbajee also conducts regular third-party security audits. Any vulnerabilities found are patched promptly. User security is the platform's top priority.
Responsible Gaming Tools
The app includes deposit limits, a session timer, and a self-exclusion feature. If you feel your betting is getting out of hand, you can set your own limits anytime from Settings. 21tbajee believes entertainment is best enjoyed responsibly.
FAQ
Everything You Need to Know About Download & Installation