Cricket betting, lottery, rewards, and bonuses — all in one app. Available on both Android and iOS. Fast, lightweight, and fully in Bangla.
The f21 site app is available on both Android and iOS. Install, log in, and play.
Your entire betting world in a single app. All the features of desktop, now on mobile — faster and easier than ever.
Real-time odds for BPL, IPL, the World Cup, and all major tournaments. Bet while the match is live.
Play daily lottery draws and instant scratch cards right from the app. Results are instant.
Transactions via bKash, Nagad, and Rocket complete in seconds. Withdrawals are typically processed within 30 minutes.
Get timely notifications before your favourite match kicks off, when bonus offers drop, or right after a win.
App users get access to exclusive bonuses and cashback offers available only on mobile.
Log in securely in just one second using fingerprint or face unlock. No more typing out your password.
Get the app installed and start betting in just a few minutes. Step-by-step instructions for both platforms are below.
Go to your phone's Settings → Security → enable "Unknown Sources". This is required to install third-party APK files.
Click the "Android Download" button on the official f21 site page. The APK file will be saved to your downloads folder.
Once the download is complete, open your file manager and tap the APK file. Press the "Install" button.
Installation completes in under 30 seconds. The f21 site icon will appear on your home screen.
Open the app and log in to your account, or create a new one. Your welcome bonus will be added automatically.
Open the App Store on your iPhone or iPad. Search for "f21 site" in the search bar.
Look for the official f21 site app in the search results. Make sure the logo and developer name are correct.
Tap the "Get" button on the app page. Confirm with your Apple ID password or Face ID.
The app will download and install automatically. On a Wi-Fi connection, it usually takes under a minute.
After your first login, set up Face ID or Touch ID. From then on, you'll be logged in within seconds.
| Minimum Version | Android 6.0 (Marshmallow) |
| File Size | 32 MB |
| Latest Version | V3.8.2 |
| Updated On | June 2026 |
| Architecture | ARM64, ARMv7 |
| Install Type | APK (Direct) |
| Minimum Version | IOS 13.0 |
| File Size | 38 MB |
| Latest Version | V3.8.2 |
| Updated On | June 2026 |
| Supported Devices | IPhone 8+ and all iPad models |
| Install Type | App Store |
Smartphones have become part of everyday life in Bangladesh — from checking the news in the morning to unwinding with entertainment at night, everything happens on mobile. With that in mind, f21 site built its mobile app to bring cricket betting, lottery, casino games, and financial transactions all together in one place.
A lot of people find browser betting frustrating — pages take time to load, sessions time out unexpectedly, and you have to keep refreshing to see live odds. The f21 site app eliminates all of that. Once open, it shows live scores and odds instantly and keeps running in the background, so you never miss a chance to place a bet at a key moment in the match.
The f21 site app interface is built entirely with Bangla-speaking users in mind. Menus, buttons, notifications — everything is in Bangla. So even if you're not comfortable in English, using the app is completely straightforward. From a rickshaw driver to a university student, anyone can pick it up without any hassle.
Payments are where f21 site has really put in the work. bKash, Nagad, and Rocket are all supported for both deposits and withdrawals — right inside the app. No switching to a browser, no copy-pasting. Everything is laid out neatly on the payment screen. Save your bKash number once and every deposit after that is just one tap.
The notification system is one of the standout features of the f21 site app. Say you're interested in a Bangladesh vs India match — just add it to your favourites and you'll get a notification 30 minutes before it starts. Whether your bet wins, a deposit goes through, or a new bonus offer becomes available, you'll always be notified at exactly the right moment.
F21 site hasn't cut corners on security either. The app uses 256-bit SSL encryption — the same level of protection used by banking apps. Biometric login ensures that even if someone else picks up your phone, they can't access your account. On top of that, any suspicious activity is automatically flagged, the account gets locked, and the user is notified via SMS.
F21 site has also taken special care to keep the app running on minimal data. With slow internet speeds and limited data plans common across Bangladesh, the app's light mode makes live betting possible using just 50–80 MB per hour. It runs smoothly even on a 3G connection.
One standout feature in the app is "Bet History". It keeps a clean, organized record of all your past bets — wins, losses, which sports you wagered on, and how much. It's genuinely useful for understanding your own betting patterns. Many experienced bettors analyze this data to make smarter decisions going forward.
All things considered, the f21 site app is more than just a mobile version — it's a fully featured betting platform built specifically for mobile. If you've been betting on desktop, switching to the app will give you even more convenience. And if you're just starting out, this is the easiest place to begin.
"This app is genuinely great. I didn't expect bKash payments to be this seamless. Odds refresh really fast during live matches."
"Everything being in Bangla means I never have trouble understanding anything. I used to get confused with other apps all the time."
"Used the app heavily during the IPL season. Being able to follow live scores and place bets at the same time is really handy."
"Fingerprint login is a great feature. No need to type my password every time — I'm in within a second."
"The notification system is excellent. It reminds you before a match starts and lets you know right away when you win."
"I use it on 3G and it still runs well. Data usage feels lower than other apps. Withdrawals are fast too."
Download today, register, and claim your 150% welcome bonus. Just deposit ৳500 via bKash to get started.