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Available on both Android and iOS

39ko App โ€” Enjoy the full live betting and casino experience from anywhere

Get everything 39ko offers, right on your phone. Sports Betting, Live Casino, deposits and withdrawals โ€” all in one app, anytime.

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50+ Sports Categories
200+ Live Casino Games
<2 seconds App load time
24/7 Live Support
39ko
Key features of the app

Why the 39ko app is so popular with users

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Fast Loading

Thanks to optimized code and CDN delivery, the app loads in just 1โ€“2 seconds, even on a slow network.

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Live Streaming

Follow real-time scores and live odds updates directly in the app as matches unfold.

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Push Notifications

Get instant notifications before a match kicks off, when a bonus offer arrives, or when a transaction is completed.

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Biometric Login

Log in securely and quickly with your fingerprint or Face ID โ€” no need to type your password every time.

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One-tap deposit

If you have Mobile Banking, Nagad, or a card saved, complete your deposit in just one tap.

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All Games in One Place

Sports Betting, Live Casino, slots โ€” every game in one app, no need to open anything separately.

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Dark Mode

Switch on Dark Mode for late-night sessions โ€” designed specifically for a comfortable, eye-friendly experience.

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Bet History

Easily track the full history of all your bets and transactions from the app's dashboard.

What platforms does it run on?

The 39ko app is fully supported on both Android and iOS

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Android App

Android 6.0+
  • Direct APK download โ€” install without the Play Store
  • File size is just 28 MB
  • Supported on all devices running Android 6.0 or above
  • Auto-update notification support
  • Full Bengali Interface
  • Battery-Saving Low Power Mode
Android APK Download
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IOS App

iOS 13.0+
  • Easy installation directly from the App Store
  • Works perfectly on both iPhone and iPad
  • Supported on all devices running iOS 13.0 or above
  • Face ID and Touch ID login support
  • Retina display-optimized graphics
  • Compatible with iCloud backup
iOS App Download
39ko

How do I install the 39ko app?

Many people assume that downloading and installing an APK is complicated. In reality, it only takes a few simple steps. Both the Android and iOS methods are laid out in detail below.

Steps to install on Android

1
Go to the Download Page

Download the Android APK file from the 39ko download page.

2
Enable Unknown Sources

Go to Settings โ†’ Security โ†’ Unknown Sources and enable it to allow third-party APK installation.

3
Open the APK file

Tap the APK file in your Downloads folder and press the "Install" button.

4
Log In and Get Started

Once installation is complete, open the app, log in, and start betting.

Steps to install on iOS

1
Open the App Store

Open the App Store app on your iPhone or iPad.

2
Search for 39ko

Type "39ko" in the search bar and find the official app.

3
Tap Get / Download

Tap the "Get" button and confirm with your Apple ID.

4
Log in with Face ID

After installation, set up Face ID or Touch ID and start playing.

Special offer when you download the app!

Download the 39ko app and get a BDT 200 free bet bonus on your first login. Don't miss this limited-time offer.

Differences between the app and the website

A lot of people ask โ€” why bother with an app when you can just open a browser? The answer is straightforward. The app gives you push notifications, biometric login, offline score caching, and faster load times that a browser simply can't match. Especially during live betting, the app's real-time updates are far smoother than the website.

Depositing through the app is even easier โ€” once you've set up Mobile Banking or Nagad, subsequent deposits are done in just two taps. The app is also more efficient on both battery and data, since it doesn't need to reload all resources the way a web page does.

What games are available on the 39ko app?

The 39ko app is built around three main sections. First, Sports Betting โ€” you can bet on over 50 sports including cricket, football, tennis, and badminton. All major tournaments are covered, including the Bangladesh Premier League, IPL, BPL, and the World Cup.

Second, Live Casino โ€” play live dealer games from world-class providers like Evolution Gaming and Pragmatic Play. All the classics are here: Baccarat, Blackjack, Roulette, Dragon Tiger. Third, slots โ€” over 300 slot titles, with new games added every week.

Data Security & Privacy

The 39ko app uses SSL/TLS encryption to keep all transactions and personal data secure. User data is never shared with third parties. Payment details are not stored on the device โ€” the session is cleared immediately after each transaction is completed.

Two-factor authentication (2FA) can be enabled for added account security. Once active, a one-time OTP is sent to your phone at login โ€” without it, no one else can access your account.

App specifications
Latest VersionV4.2.1
UpdateJune 2026
Android6.0+
IOS13.0+
APK size28 MB
IOS size32 MB
LanguageBangla, English
Ratingโญ 4.7 / 5
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What to know before installing
  • Enable Unknown Sources on Android
  • Keep at least 50 MB of free storage available
  • Make sure you have a stable internet connection
  • Only download from official sources
  • For Users Aged 18+
Security Features
  • SSL/TLS encryption
  • Biometric Authentication
  • Two-Factor Authentication (2FA)
  • Auto session timeout
  • Fraud Detection System
Need Help?

If you have any trouble downloading or installing the app, our 24/7 live support team is always on hand to help.

39ko

About the 39ko app

The number of smartphone users in Bangladesh is growing rapidly every year. Most people now access the internet on mobile far more than on desktop. With that in mind, 39ko built its mobile app specifically for Bangladeshi users.

This isn't just a mobile version of the website โ€” it's a fully native app where every feature has been designed specifically for a mobile screen. Large buttons for small screens, intuitive navigation, and a color scheme that's easy on the eyes: each of these details was given careful attention.

What is the live betting experience like on the app?

The biggest challenge in live betting is how fast odds change. Even a slight delay refreshing a page in a web browser can cost you a good bet. The 39ko app uses WebSocket technology to update odds in real time, so you always have the latest information.

Ball-by-ball updates for cricket, odds shifting the moment a goal is scored in football โ€” app speed really matters in these moments. For live betting on T20 cricket especially, real-time updates make all the difference.

How easy is it to deposit and withdraw through the app?

The app's financial section is designed to be as hassle-free as possible. Once you save your Mobile Banking or Nagad number the first time, all future deposits just require entering an amount and confirming. The entire process takes under 30 seconds.

Withdrawals work the same way โ€” once you win, you can request a direct transfer from your account to mobile banking. Funds are typically received within 15โ€“30 minutes. Larger withdrawals may take slightly longer, but are always completed within 24 hours.

How to update the app

39ko regularly updates the app to add new features and fix bugs. Android users will receive update notifications within the app and can download the latest version in one tap. iOS users simply need to tap "Update" in the App Store.

Older versions may have missing features or security vulnerabilities, so it's always best to use the latest version. Keeping auto-update enabled takes care of this automatically.

Responsible Gaming on Mobile

The 39ko app includes dedicated responsible gaming features. You can set daily betting limits, pause your account for a set period, and use self-exclusion to temporarily or permanently restrict access. Use these tools whenever you feel your play is getting out of control.

After each session, you can view a summary of how long you played and how much you wagered. This transparency helps you stay aware of your own gaming habits. Remember โ€” gaming is for entertainment, not a solution to financial problems.

39ko
Frequently Asked Questions

Frequently asked questions about the app

Yes, the 39ko app is completely free to download and install. It's available on both Android and iOS at no charge. Only a minimum deposit amount is required when you make a deposit.

On Android 8.0 and above, "Unknown Sources" is no longer a single toggle in Settings โ€” instead, you grant install permission per app. When you tap the APK file, the system will prompt you with "Allow from this source" โ€” just tap Allow and the installation will proceed.

Yes, the 39ko app has all the same games and features as the website. Sports Betting, Live Casino, slots, promotions, deposits and withdrawals โ€” everything is available in the app. In some cases, the app also features exclusive offers.

For general betting and checking scores, 3โ€“5 MB per hour is plenty. Live Casino games may use 15โ€“30 MB per hour. Enabling Data Saver mode in the app reduces usage even further.

Yes, you can log in to both the web and the app using the same account. Your balance, bet history, and all data sync in real time. For security, though, it's best not to have active sessions running on multiple devices at the same time.

First, fully close the app and reopen it. If the issue persists, clear the cache (Settings โ†’ Apps โ†’ 39ko โ†’ Clear Cache). If that doesn't help, uninstall the app and download the latest version. For recurring issues, contact live support.

Download the 39ko app now

Download the 39ko app on Android or iOS and enjoy a special bonus on your first login.

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