Mobile App

A21 App — Bangladesh's Best Betting & Casino Experience, Right in Your Hands

Download the a21 app and enjoy cricket betting, Live Casino, lottery, and much more — anytime, anywhere. Available for both Android and iOS.

APK Download Google Play App Store

Free to download. No hidden charges.

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🎉 Today's Bonus: ৳500 Free

Why the a21 App?

One App, Everything in One Place

The a21 app has transformed online betting in Bangladesh. Where you once had to visit multiple websites for different games, everything is now in one place — cricket, football, Live Casino, slots, Teen Patti, lottery, and much more. The interface is so intuitive that even users with limited tech experience can navigate it with ease.

The a21 app is built with Bangladesh's network conditions in mind. It loads quickly even on weak internet connections, and the betting process runs smoothly throughout. You can enjoy live betting on 3G networks — and that's one of the biggest advantages the a21 app has to offer.

Just 24 MB — saves your phone's memory
Supports Android 5.0+ and iOS 12+
Fully Bengali Interface
Both Dark Mode and Light Mode Available
Fingerprint & Face ID Login

Key Features of the a21 App

Why Our App Is the First Choice for Betting Enthusiasts in Bangladesh

Ultra-Fast Loading

The a21 app loads fully in just 1–2 seconds. Even during live matches, there's no lag or buffering.

Top-Level Security

Your account and funds are fully secured with 256-bit SSL encryption and two-factor authentication.

Live Betting

Watch real-time odds on live matches and place in-play bets — odds update every second.

Instant Payments

Deposits and withdrawals via bKash, Nagad, and Rocket in just 3 minutes. No hidden charges, no extra fees.

Smart Notifications

Get instant push notifications before matches kick off, when odds change, and when you win.

In-App Support

Live chat with our support team in Bengali, directly from within the app — available 24/7, every day of the week.

Download Guide

Download the a21 App in Just 3 Steps

Downloading the a21 app is quick and easy. Just follow the steps below and start betting within minutes.

Click the Download Link

Tap the "APK Download" button above. Android users can download the APK file directly. iPhone users can install it from the App Store.

Allow Installation from Unknown Sources (Android)

On your Android phone, go to Settings > Security > Unknown Sources and enable it. Then tap the downloaded APK file to install. The whole process takes just 30 seconds.

Create an Account or Log In

New users, select "Register" to get started. Existing members can log in directly. A welcome bonus awaits you on your very first login.

For Android Users

The a21 app is available on the Google Play Store. Alternatively, you can download and install the APK file directly. The APK is only 24 MB in size.

For iPhone Users

Search "a21" on the App Store and download it for free. Compatible with any iPhone running iOS 12 or later. Face ID login is supported.

For Mobile Browser Users

Even without downloading the app, you can use a21.wine fully via your mobile browser. You can also add it to your home screen as a PWA (Progressive Web App).

App vs. Website — Which One Is Better?

A21 App vs. Mobile Website — A Side-by-Side Comparison

Features	A21 App	Mobile Web
Loading Speed	Ultra-Fast	Medium
Push Notifications	Yes	No
Biometric Login	Yes	No
Data Saving	Lower Data Usage	Higher Data Usage
Offline Features	Partial	No
Live Streaming	HD Quality	Depends
Download Required	Once	No
All Games Available	All	All

A21 on Every Platform

Whatever device you use, a21 is always with you

Android App

Works flawlessly on all Android phones including Samsung, Xiaomi, Realme, and Oppo. Supports Android 5.0 Lollipop and above.

Download APK

IOS App

Compatible with all iPhone models from the iPhone 6s up to the latest. Supports iOS 12 and above.

Get it on the App Store

Desktop / Web

Visit a21.wine on your computer or laptop. Fully supported on Chrome, Firefox, and Edge.

Play on Web

Payment

In-App Payments — Simple, Fast & Secure

Making payments on the a21 app is as easy as online shopping. Send money via bKash and your account balance will be topped up within seconds. Nagad, Rocket, and Upay work the same way.

Withdrawals are just as straightforward. Once you submit a withdrawal request, the funds arrive in your mobile banking account within 3–5 minutes. VIP members enjoy even faster processing and higher withdrawal limits.

bKash / Nagad

Bank Transfer

Crypto

Card Payment

Details

Learn More About the a21 App

Many Bangladeshi users are trying an online betting platform for the first time. The a21 app is specifically designed to make that learning curve as gentle as possible, with Bengali-language explanations available throughout every section of the app.

When you open the a21 app, the first thing you'll see is a clean home screen showcasing today's top matches, ongoing offers, and jackpot info. Use the left-side menu to navigate to any section — Sports, Casino, Lottery, Account, or Support.

The app includes a dedicated tutorial section with video guides to help you learn how to place bets. New users can also practice in demo mode without spending any real money.

The a21 app receives regular updates, each bringing new features, improved performance, and bug fixes. Keep auto-update enabled to always have the latest version.

Android System Requirements

Android 5.0 or above
Minimum 1 GB RAM
50 MB storage space
Internet Connection (3G or Above)

iOS System Requirements

iOS 12.0 or Later
iPhone 6s or above
60 MB Storage Space
Internet Connection (3G or Above)

General Questions About the App

Yes, the a21 app is completely free to download and install. There are no charges for either the Android or iOS version. Once downloaded, simply create an account and start betting with any amount you choose.

APK files downloaded from the official a21 website are completely safe. Every APK is digitally signed and malware-free. Avoid downloading APKs from third-party sources — only download from a21.wine.

The a21 app supports Android 5.0 (Lollipop) and iOS 12 and above — it runs on most phones made after 2015. If the app doesn't work on your device, simply visit a21.wine on your mobile browser; it works just as well.

If you're having trouble logging in, tap "Forgot Password?" and send an OTP to your registered mobile number. Use the OTP to set a new password. If the issue persists, reach out via the app's live chat or email us at support@a21.wine.

A21 App — Bangladesh's Best Betting & Casino Experience, Right in Your Hands

One App, Everything in One Place