Mobile App

Cosmo91 App – The Fastest Betting & Gaming Experience, Anywhere You Are

Cosmo91's official mobile app is now available on both Android and iOS. Whether you're on the bus, taking a break at the office, or relaxing in bed at night — jump straight into the app whenever you feel like it. Sports Betting, Live Casino, slots, Lottery — all in one place.

5 MB
Lightweight APK Size
Android 6+
Supported Version
৳300
App Download Bonus
cosmo91

1 Million+
Active App Users
4.8 ⭐
Average User Rating
0.3 seconds
Average Page Load Time
99.9%
Server Uptime

Why Use the cosmo91 App?

The app has a clear edge over the browser — you'll see it the moment you try it.

Faster Loading

Because the cosmo91 app is locally optimized, it loads much faster than a browser. You can place in-play bets without any trouble, even on a weak network.

Push Notifications

New vouchers, live match kick-offs, bonus credits, withdrawal confirmations — every important update reaches you instantly as a push notification.

Biometric Login

Log in to your cosmo91 account in just one second using your fingerprint or face unlock — no more typing passwords.

Live Streaming

Watch live video of selected matches right inside the app. Follow the game and place in-play bets without ever opening a separate app.

One-Tap Payment

Directly linked to bKash, Nagad, and Rocket – all your mobile banking apps in one place. Deposits and withdrawals in a single tap.

Dark Mode Always On

Cosmo91's app design is ideal for night-time or low-light use — it's easier on the eyes and helps conserve battery life.


cosmo91

Install the cosmo91 App in Just Three Steps

Installing the APK on an Android phone takes just three minutes. On iOS, install directly from the App Store.

1
1
Open Settings

On your Android, go to Settings → Security and enable "Unknown Sources" or "Install unknown apps".

2
2
APK Download

Click the download button on this page and the cosmo91 APK file will be saved directly to your phone.

3
3
Install

Once the download is complete, open the file and tap "Install". After installation, log in and use code APP300 to claim your ৳300 bonus.

iOS users can find the cosmo91 app directly on the Apple App Store. No "Unknown Sources" setting needed on iOS.

Don't Miss a Thing

With cosmo91 app push notifications enabled, you'll never miss an important update. When a new match goes live, a voucher drops, or your bet result comes in — the app will let you know straight away.

You've Won a Bet! 🎉
Your Bangladesh vs India bet won. ৳1,240 has been added to your wallet.
Just Now
New Voucher Available
The weekly reload offer is live. Get a 50% bonus with code RELOAD50.
5 minutes ago
Match Starts in 15 Minutes
Chelsea vs Arsenal – a match on your watchlist is about to kick off. Check the in-play odds now.
15 Minutes
Withdrawal Complete
৳5,000 has been sent to your bKash. Transaction ID: TXN2025071
1 hour ago
cosmo91

App vs. Browser – The Difference Is Clear

See for yourself just how much more convenient the cosmo91 app is compared to a browser.

Features cosmo91 App Mobile Browser
Loading Speed Lightning Fast Comparatively Slower
Push Notifications Full Support No
Biometric Login Fingerprint / Face No
Offline Caching Previous Data Saved Limited
Live Streaming Inside the App In a Separate Tab
One-Tap Payment Directly Connected Manual
Battery Usage Optimized More Usage
Exclusive App Bonus ৳300 with code APP300 Not Available

App Technical Specs

The cosmo91 app is built with Bangladesh's network conditions in mind.

Android

APK Size 5.3 MB
Minimum Android Version Android 6.0 (Marshmallow)
Current version v3.7.2
Last Updated July 2026
RAM required Minimum 2 GB

IOS

App Store Size 68 MB
Minimum iOS Version iOS 13.0
iPhone Support iPhone 7 or newer
iPad support Yes, Optimized

App speed & reliability

Performance stats tested on Bangladesh 3G and 4G networks.

App Startup Speed (4G) 0.3 seconds
Live Odds Update Speed < 1 সেকেন্ড
Payment processing time 3–5 Minutes
Crash-free rate 99.7%
Battery Saving (Compared to Browser) 40% Less
v3.7.2 Android v3.7.1 iOS

Everything You Need to Know About the cosmo91 App

Most people in Bangladesh access the internet on their phones. From social media and banking to shopping, mobile is how everything gets done — desktops and laptops are secondary. cosmo91 understands this reality and has made its mobile app the top priority. The app is built to run smoothly even on older or mid-range smartphones.

A user from Chittagong shared recently, "My phone is a Samsung Galaxy A12 — nothing fancy. But the cosmo91 app runs without a hitch. In-play betting odds update constantly, and the app reflects every change in real time." That kind of experience is exactly what cosmo91's app is designed to deliver.

The cosmo91 app for Android isn't available on the Google Play Store — it needs to be downloaded directly as an APK. This is due to Google's own policies, which place certain restrictions on real-money betting apps. That said, installing from an APK is straightforward and completely safe — downloading from the official cosmo91 site carries no malware or security risks whatsoever. Some users feel a little hesitant the first time, but once you've done it, you'll barely give it a second thought.

Security guaranteed: The cosmo91 APK file is secured with SSL encryption. You can verify the file's SHA-256 checksum before downloading.

For iOS, the cosmo91 app is available on the Apple App Store. iPhone users can download it directly from the Store — no extra settings required. The app works great on iPad too, and the larger screen makes the Live Casino experience even more enjoyable.

One standout feature of the cosmo91 app is "Quick Bet". In this mode, loading a match or game brings the betting interface directly to the bottom of the screen — no need to switch tabs. It's incredibly handy when you're placing a bet one-handed on your phone. Stuck in Dhaka traffic? You can follow live IPL match updates and place in-play bets without missing a thing — the cosmo91 app makes it effortless.

The app's security features are worth highlighting too. Two-factor authentication (2FA) is available for every login session — set it up via OTP or an authenticator app. Even if someone gets hold of your password, they still can't access your account without the second verification step. cosmo91 keeps all transaction and betting data encrypted.

The cosmo91 app receives an update roughly once a month. Updates typically include bug fixes, new game additions, and payment system improvements. With auto-update enabled, the app will notify you as soon as a new version is available. Android users can also tap the "Check for Update" button in the app settings to get the latest version at any time.

What's Inside the App
  • Full Sports Betting
  • Live In-Play Betting
  • Live Casino & Slots
  • Buying Lottery Tickets
  • Apply voucher code
  • Complete Payment System
  • Live Customer Support
Before You Install
  • Only download the APK from the official site
  • Only enable Unknown Sources during installation
  • Disable Unknown Sources after installation
  • Keep Auto-Update Enabled
  • Keep Screen Sharing and Remote Access Disabled

What Users Are Saying About the App

Mahbubur Rahman

Chattogram · 18 months of use

"The cosmo91 app runs super smoothly on my Galaxy A12. During IPL, the in-play betting odds update really fast. I used to stick to the browser, but once I switched to the app, I never looked back."

Nusrat Jahan

Dhaka · 8 Months of Use

"Fingerprint login saves so much time. You can deposit directly from bKash without switching to another app. The cosmo91 app is genuinely user-friendly."

Tanvir Hossain

Rajshahi · 1 Year of Use

"The cosmo91 app runs brilliantly on my iPhone 11. The Live Casino video quality is excellent, and push notifications mean I never miss a match."


cosmo91

Deposits & Winnings Questions

On cosmo91, winnings are automatically credited to your wallet as soon as a match or game ends – usually within seconds of the result being confirmed. For Sports Betting, if there is any disputed incident in the match (such as an ongoing review or a delayed official result), it may take anywhere from a few minutes up to 24 hours. You will be notified via push notification once the funds reach your account wallet. Withdrawing from your wallet to bKash or Nagad is a separate process and is generally completed within 3 to 10 minutes.

In most cases, deposits made via bKash or Nagad reflect in your cosmo91 wallet within 1 to 5 minutes. If the funds haven't arrived after 5 minutes, check the following: (1) whether you received a debit confirmation SMS from bKash, (2) whether you sent to the correct merchant number, and (3) whether you entered the payment reference number correctly. If everything looks right but the amount still hasn't arrived, contact cosmo91 via the in-app live chat with your bKash transaction ID and the amount. Issues are typically resolved within 15 minutes. For bank transfers, it can sometimes take 1–3 hours.

Download the cosmo91 App and Get a ৳300 Bonus

Whether you're on Android or iOS, install the cosmo91 app, enter code APP300, and get ৳300 in free betting credits.

New here? Start by Register then enter the code APP300.


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