Bet on cricket, enjoy Live Casino, and more — all from your smartphone. The ko77 app is fast, lightweight, and fully available in Bangla.
Version 3.2.1 | Updated: 2026 | Free
The ko77 app is available on all major platforms
Runs seamlessly on all Android phones including Samsung, Xiaomi, Realme, and Oppo. Download the APK directly.
File Size: 32 MB | Free
Works perfectly on all models from iPhone 8 through the latest iPhone 16.
File Size: 38 MB | Free
You can also use ko77 directly in your browser — no app needed. Works on Chrome, Firefox, and Safari.
No installation needed | Free
Installing the APK file is quick and easy. Just follow the steps below:
Tap the "Android Download" or "APK Download" button above. The official ko77 APK file will start downloading immediately.
Go to Settings → Security → enable "Install Unknown Apps". You only need to do this once.
Tap the ko77.apk file in your Downloads folder and hit the "Install" button.
Once installation is complete, open the app. New users can register, while existing users can log in directly.
Installing on iPhone or iPad is even simpler:
Tap the "iOS Download" or "App Store" button and you'll be taken directly to the ko77 page on the App Store.
Tap "GET" on the App Store. Confirm with your Apple ID password or Face ID.
Installation typically completes in 1–2 minutes. The ko77 icon will then appear on your home screen.
Register or log in and start betting right away. The welcome bonus applies to the app too.
Why millions of Bangladeshis use the ko77 app
Just 32 MB. Runs smoothly even on a slow connection.
Get instant alerts for match starts, odds changes, and winning updates.
Fast, secure login with fingerprint or Face ID.
Watch selected cricket and football matches live, right in the app.
Default dark theme for comfortable viewing — easy on the eyes, even at night.
Link Mobile Pay or Nagad once, then deposit with a single tap anytime.
The entire interface is in Bangla — built specifically for users in Bangladesh.
Updates automatically whenever a new version is released.
Both options are great, but the app comes with extra benefits
| Feature | ko77 App | Web Browser |
|---|---|---|
| Loading Speed | ✔ Very Fast | ✔ Fast |
| Push Notifications | ✔ Supported | ✘ None |
| Biometric Login | ✔ Supported | ✘ None |
| Offline Access | ✔ Partial | ✘ None |
| Live Streaming | ✔ Supported | ✔ Supported |
| Installation Required | ✔ Yes (one-time) | ✔ No |
| One-Tap Payment | ✔ Supported | ✘ None |
Ko77 App System Requirements
Smartphone users in Bangladesh now number in the tens of millions, with most people spending far more time on their phones than on a laptop or computer. ko77 built its dedicated mobile app with exactly this in mind.
Once you download the ko77 app, you have a full betting platform right in your pocket. Bet on cricket while watching live scores, spin the roulette wheel, or jump into Andar Bahar – all in one app. The interface is intuitive enough that even first-time users can find their way around without any guidance.
Great performance on low data is one of the ko77 app's biggest strengths. Internet speeds aren't always reliable across Bangladesh, but the ko77 app runs smoothly even on slow connections — with live betting and score updates loading without interruption.
The ko77 app is built with security in mind. SSL encryption, two-factor authentication, and biometric login work together to keep your account protected. Even if someone gets hold of your phone, they won't be able to access your account without your fingerprint or Face ID.
Important: Only download the ko77 APK from our official site. Downloading from third-party sites may put your security at risk.
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Get a 150% bonus on your first deposit with the ko77 app. Download it now and start your winning journey.
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