📱 Mobile App
The y21s mobile app is available for free on both Android and iOS. At just 15 MB, it delivers the full casino experience — slots, Live Casino, cricket betting, and more.
Y21s Mobile App — An Outstanding Experience on Every Device
App Highlights
Everything in one app — casino, betting, payments, bonuses & support.
The app loads in just 1.2 seconds. Enjoy uninterrupted gaming even on a 3G network.
Play with live casino dealers in HD video quality. No buffering, no lag.
Log in with a single tap using your fingerprint or Face ID — fast and secure.
Get instant alerts on new bonuses, live scores, and payment updates. Never miss a thing.
BKash, Nagad, Rocket — deposit and withdraw directly from the app.
Dark mode is enabled by default for a comfortable viewing experience, even at night.
Every button, menu, and message in the y21s app is in Bengali — play in your own language.
Protected with AES-256 encryption. Your personal data and funds are completely secure.
When a new version is available, the app will notify you and update itself automatically.
Step-by-Step Guide
Click the "Android APK" button on this page. The file will be saved to your phone's Downloads folder. At just 15.2 MB, it downloads quickly.
Go to Settings → Security (or Privacy) → Unknown Sources and enable it. Alternatively, simply tap the APK file and Android will prompt you to adjust the setting automatically.
Open the y21s APK file from your Downloads folder, tap "Install", and wait. It takes just 30 seconds.
Once installed, tap the app icon. Log in with your existing y21s account or create a new one. Your balance and bonuses will all carry over.
IOS Guide
Click the "iOS App" button on this page and you'll be directed to the App Store or a direct download link.
When the App Store page opens, tap the "Get" button. Confirm with your Apple ID password or Face ID.
You may need to go to Settings → General → VPN & Device Management and trust y21s. This only needs to be done once.
Open the app, log in to your y21s account, and jump straight into your favorite games. The full website experience — now right in the palm of your hand.
App Preview
Technical Details
| Category | Android | IOS |
|---|---|---|
| File Size | 15.2 MB | 18.5 MB |
| Minimum OS | Android 6.0 | IOS 13.0 |
| Current Version | 3.8.2 | 3.8.1 |
| Last Updated | June 2026 | May 2026 |
| Language | Bengali, English | Bengali, English |
| Permissions | Camera, Storage | Face ID, Notifications |
| Rating | 4.8 / 5 | 4.7 / 5 |
App vs. Website
Mobile internet usage in Bangladesh grows every day. From Dhaka to Cumilla, Chattogram to Khulna — people across the country now rely on their smartphones for almost everything. With that reality in mind, y21s built its mobile app from the ground up. This isn't just a mobile-friendly version of the website — it's a full native app designed to make the most of what your device can do.
Many users wonder — is downloading an APK actually safe? The short answer: yes, as long as you download it from the official y21s website. Our APK files are digitally signed and go through a full security check before every release. Never download the y21s APK from any third-party site — only use this official page.
One of the most popular features of the y21s app is biometric login. No more remembering passwords — just use your fingerprint or face scan to access your account in seconds. This is especially useful for users who log in frequently.
Push notifications are another feature many users find invaluable. Imagine you're on a bus or train when a y21s app notification pops up — your welcome bonus has doubled for a limited time, or the odds on a live match have just shifted. Getting the right information at the right moment makes all the difference when it comes to making quick decisions.
The y21s app also has a clear edge when it comes to data efficiency. Our tests show it uses around 40% less data than a mobile browser for the same tasks — a significant advantage in Bangladesh, where data costs still matter to a lot of users.
The app is updated regularly, with each release bringing new features, security improvements, and performance optimizations. You can update directly from within the app — no need to revisit the download page. With update notifications enabled, you'll be alerted the moment a new version is available.
The Live Casino section of the y21s app looks absolutely stunning on mobile. HD video streaming, real-time chat, and a smooth betting interface combine to deliver a truly premium experience. Once you try the y21s app, you won't want to go back to a mobile browser.
Free, secure, and fast — the y21s app on every device.
Android Download iOS Download"Amazing app! Paying with bKash is so easy."
"Cricket betting on this app is so much fun now."
"Live Casino looks amazing on my phone."
Always download the app exclusively from this official page at y21s.bet. Do not download from any third-party websites or links. After downloading, verify the app's version number. If you have any concerns, contact our Help Center Contact us.
Frequently Asked Questions
Over 500,000 Bangladeshi users have already downloaded the y21s app.
✓ Free ✓ Secure ✓ Only 15 MB ✓ Bengali Support