Free Download

Download the a66 App — Any Device, Any Time Enjoy Betting

The official a66 app is available on both Android and iOS. Fast loading, a smooth interface, and a fully Bengali experience — all in one place.

No account needed to download — completely free.

4.8
App Store Rating
500K+
Total Downloads
100%
Virus-Free
24 MB
App Size
a66

Choose Your Device

Android or iPhone — whichever you use, the a66 app works great on both

iPhone / iPad

IOS App

If you're on an iPhone or iPad, our iOS app was made for you. Install it directly from the App Store or use our link.

v3.8.1
Latest Version
28 MB
File Size
iOS 13+
Minimum
iOS App Download

App Store Approved — Completely Safe

Also available on mobile browser: No need to install the app — just open a66.world directly in your mobile browser. All features are available on the web version too. That said, the app gives you notifications, faster loading, and a smoother overall experience.
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On Android How to Install

Get the a66 app running on your Android phone in just 4 simple steps

1
Download the APK File

Click the "Android APK Download" button above. The file will be saved to your phone's Downloads folder. It works on both mobile data and WiFi.

2
Enable Unknown Sources

Go to Settings → Security → Unknown Sources and enable it. Alternatively, go to Settings → Apps → Special App Access → Install Unknown Apps and grant permission to your browser.

3
Open the APK File

Tap the a66 APK file in your Downloads folder. When prompted to allow installation, tap "Install". The installation will be done within 30 seconds.

4
Log In & Get Started

After installation, you'll see the a66 icon on your home screen. Tap it to open, log in with your account, and start playing. New to a66? Register now.

On iOS How to Install

Getting the a66 app on iPhone or iPad is even easier

1
Tap the iOS link

From your iPhone or iPad, tap the "Download iOS App" button above. It will take you directly to the App Store or our download page.

2
Tap the Get / Install button

On the a66 app page in the App Store, tap "Get" or "Install". Enter your Apple ID password or authenticate with Face ID/Touch ID if prompted.

3
Wait for the Download to Complete

The app will download and install automatically. Make sure you have a stable internet connection during this process. It requires approximately 28 MB of data.

4
Open & Play

The a66 icon will appear on your home screen. Tap it to open the app, then log in or create a new account — everything is in Bengali.

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What You Get with the a66 App

A Better Experience on the App Than on a Web Browser

Lightning-Fast Loading

The a66 app loads 3x faster than a mobile browser and runs smoothly even on slow networks.

Push Notifications

Get match kick-offs, bonus offers, and win alerts delivered straight to your phone. Never miss an opportunity.

Live Streaming

Watch live streams of cricket, football, and more directly in the app — and place your bets in real time.

One-Tap Betting

Place bets in one tap with the app's smart interface. Make quick decisions during live matches without missing a beat.

Biometric Login

Log in in just 1 second with Face ID or fingerprint. No more typing passwords.

Offline Mode

View your account balance and game history even without an internet connection. Everything syncs automatically once you're back online.

Users What People Are Saying

Based on ratings and reviews from thousands of a66 app users across Bangladesh.

4.8
Based on 50,000+ reviews
5 Stars
78%
4 Stars
14%
3 Stars
5%
2 Stars
2%
1 Star
1%
Mahbubur Rahman Rajshahi

"Installing the a66 app took me just 2 minutes. I've been using it every day since. Live betting on cricket is so much easier now. The notifications let me know exactly when a match is about to start."

Nazneen Sultana Mymensingh

"I've been using the a66 app on my iPhone for a few months now. Logging in with Face ID is really convenient. The slots games feel even smoother on the app. Depositing with Mobile Pay is also dead simple."

Jamal Uddin Khulna

"The app's design is clean and everything is in Bengali, so it's easy to understand — even for older users. Withdrawals are fast too. I made a request and got my money in 8 minutes."

System Requirements

Check if the a66 app is compatible with your phone

Android

FeaturesMinimum Requirements
Operating SystemAndroid 6.0 (Marshmallow) or above
RAM2 GB RAM or more
Storage50 MB free storage
Internet3G/4G or WiFi
Processor1.4 GHz or faster
Display4 inches or larger

iOS

FeaturesMinimum Requirements
Operating SystemIOS 13.0 or above
DeviceIPhone 8 or later
Storage60 MB free storage
Internet3G/4G/5G or WiFi
IPadIPadOS 13+ Supported
Display4.7 inches or larger
Tips: For the best experience, use a device with a 4G connection and at least 3 GB of RAM. Keeping the app up to date ensures you always get the best performance.
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About the a66 App Good to Know

Online betting in Bangladesh has changed dramatically. People no longer sit at a computer to place bets — the smartphone has become the primary device. From rickshaw drivers in Dhaka to business owners in Sylhet, everyone now prefers betting on a mobile app. With that in mind, a66 built its own mobile app — designed to fit the Bangladesh context perfectly.

One of the biggest advantages of the a66 app is that it's fully available in Bangla — from the interface to customer support. For users who aren't comfortable in English, this makes a huge difference. Players in Bogura, Rangpur, or Barisal can use a66 without any difficulty.

The a66 app is built with Bangladesh's mobile network conditions in mind. It runs smoothly even on 3G, with fast odds updates during live betting. Whether you're in a busy city like Chattogram or relaxing on the beach at Cox's Bazar, you can place bets on a66 without any hassle.

A Note on Downloading the Android APK

Most people in Bangladesh use Android phones. While betting apps aren't available directly on the Play Store, downloading the APK file from the official a66 website is completely safe. We understand that enabling Unknown Sources can feel a little uncertain — that's perfectly normal. Rest assured, the a66 APK comes directly from our own servers, not any third-party site, and is free from malware or viruses.

A word of caution — there are many fake sites online using the a66 name to spread counterfeit APKs. Always download exclusively from a66.world. Never download from third-party APK stores or Telegram groups.

App vs. Mobile Web — Which Is Better?

It's a question we hear often. Honestly, a66's mobile web version is quite good — all features are there. But the app offers a few things the web can't match. Push notifications, for instance, send you an automatic reminder 5 minutes before a match starts. Biometric login lets you get in within seconds using Face ID or fingerprint. And you can also check your account balance offline — something only the app supports.

Mobile web is a good option for those with limited storage. But if you use a66 regularly, downloading the app is the more convenient choice.

Updates & Security

The a66 app is updated regularly. Each update brings new features, bug fixes, and stronger security. When you receive an update notification, don't delay — install it promptly. Using an older version may occasionally cause login issues.

SSL encryption is always active within the app. Your login credentials, personal data, and payment information are all transmitted in fully encrypted form — inaccessible to hackers or any third party.

Payment options in-app

Depositing and withdrawing on the a66 app is just as easy as on the website. All major mobile banking services are supported, including Mobile Pay, Nagad, and Rocket. Deposits are instant, and withdrawals typically complete within 5–15 minutes. With a minimum deposit of just ৳200, players of any budget can get started.

All things considered, the a66 app is a complete solution for bettors in Bangladesh. Fast, secure, fully in Bangla, and compatible with all devices — finding all four in one place is genuinely rare. Download it today and see the difference for yourself.

Download-Related FAQ

Frequently Asked Questions About the App Download

Yes, downloading directly from a66.world is completely safe. Our APK files are regularly scanned for security threats and contain no malware, viruses, or spyware. Just make sure you're downloading from our official site — not from any other source.

No, enabling Unknown Sources does not harm your phone. It simply allows apps to be installed from outside the Play Store. As a precaution, you can turn this setting back off after installing the a66 app. Once installed, the app will automatically send you a notification when an update is available.

Absolutely. Your a66 account is the same across the web and the app. Just download the app and log in with your mobile number or email and password. Your balance, betting history, and bonuses will all be exactly as you left them.

The Android APK is only 24 MB and the iOS app is 28 MB, so downloading won't use much data. That said, downloading over WiFi is recommended when possible. Once installed, everyday use consumes very little data.
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