Download the 555 Bat app and take the full platform with you wherever you go. Faster login, push notifications for bonuses, one-tap deposits via bKash and Nagad, and the complete game library — all optimised for your Android or iOS device. This is how players in Bangladesh play on the move.
Before downloading the 555 Bat APK, go to Settings → Security and enable "Install from Unknown Sources" or "Allow from this source." This is a standard one-time step required for any APK installed outside the Play Store.
Tap the Android download button on this page. The 555 Bat APK file will download directly to your phone — it's only 18MB so it takes under 30 seconds on a standard mobile data connection in Bangladesh.
Go to your Downloads folder and tap the 555 Bat APK file. Your phone will ask you to confirm the installation. Tap Install and wait a few seconds for the process to complete.
Once installed, open the 555 Bat app from your home screen. Login with your existing account credentials or tap Register to create a new account in under two minutes. Your account works across the app and the website — same login, same balance.
The 555 Bat APK is safe to install. It is the official app file from the 555 Bat platform. If your phone shows a warning during installation, this is a standard Android message for all APK files — it does not mean the file is harmful.
Tap the iOS download button on this page. You will be directed to the 555 Bat iOS installation profile. Safari is the recommended browser for this step — if you're using Chrome on iPhone, switch to Safari first.
When prompted, tap Allow and then tap Install in the Settings screen that opens. Enter your iPhone passcode if asked. The 555 Bat app profile will install in seconds.
Go to Settings → General → VPN & Device Management. Find the 555 Bat certificate and tap Trust. This is a standard iOS step for apps installed outside the App Store and only needs to be done once.
The 555 Bat icon will appear on your home screen. Tap it to open the app, login with your account details, and you're in. The full game library, cashier, and bonus dashboard are all available immediately.
The 555 Bat iOS app supports iPhone models running iOS 13 and above. If you're on an older iOS version, the mobile website at 555-bat.app works just as well in Safari and gives you access to all the same features.
The 555 Bat app is built specifically for mobile players in Bangladesh. Here's what makes it different from just opening the website on your phone.
The 555 Bat app is optimised for mobile hardware and loads games significantly faster than a browser. Even on a 3G connection, the app delivers smooth gameplay without the lag you sometimes get on a mobile browser. Games like Aviator and Monster Crash feel noticeably more responsive in the app.
Never miss a bonus again. The 555 Bat app sends push notifications directly to your phone when a new promotion is added to your account, when a deposit is confirmed, or when a withdrawal is processed. You stay informed without having to check the site manually.
On compatible Android and iOS devices, the 555 Bat app supports fingerprint and face ID login. Instead of typing your password every time, just place your finger on the sensor or look at your phone. You're in your account in under a second — faster and more secure than typing.
The 555 Bat app has native integration with bKash, Nagad, and Rocket. Your saved payment details are stored securely in the app, so deposits and withdrawals take one tap and a PIN confirmation. No need to copy account numbers or switch between apps.
The 555 Bat app is designed around a dark theme that's easy on the eyes during long sessions, especially at night. The charcoal and gold colour scheme looks sharp on AMOLED screens common in mid-range Android phones popular in Bangladesh, and reduces battery drain compared to bright white interfaces.
The 555 Bat app checks for updates automatically in the background. When a new version is available, you'll get a notification and can update with one tap. You always have the latest features, security patches, and game additions without having to manually re-download the APK.
The 555 Bat app was built from the ground up for players who prefer to play on their phones. In Bangladesh, most players access online gaming platforms through mobile devices — budget Androids, mid-range Samsung phones, Xiaomi, Realme, and iPhones. The 555 Bat app is tested and optimised across all of these devices so that the experience is consistent regardless of what phone you're using.
When you open the 555 Bat app for the first time, you'll notice how clean and fast it feels. The home screen shows your balance, active bonuses, and a shortcut to the game lobby. Everything is within one or two taps. There's no clutter, no unnecessary menus, and no confusing navigation — just the features you actually use, laid out in a way that makes sense on a small screen.
The game library inside the 555 Bat app is identical to the website. Dragon Fortune, Aviator, Rooster Rumble, Monster Crash, Leprechaun Riches, Fishing Yi Lu Fa — all of them are available in the app with the same graphics quality and the same RTP rates. Live games stream smoothly even on a 4G connection, and the app handles network interruptions better than a browser tab, automatically reconnecting without losing your session.
The cashier section of the 555 Bat app supports all the payment methods available on the website — bKash, Nagad, Rocket, and bank transfer. Minimum deposit amounts and processing times are the same. The advantage of using the app for transactions is speed: your saved payment details are pre-filled, and you can confirm a deposit in under 30 seconds without switching between apps or copying account numbers.
Withdrawals work the same way. Select your withdrawal method, enter the amount, confirm with your PIN or biometric, and the request is submitted. Most withdrawals to bKash and Nagad are processed within 24 hours. You'll receive a push notification the moment your withdrawal is approved and the funds are on their way to your mobile wallet.
555 Bat occasionally runs promotions that are exclusive to app users. These include app-only deposit bonuses, free spin offers triggered by logging in through the app, and cashback deals for players who make their first deposit via the app. Check the Bonuses section inside the app regularly — app-exclusive offers are marked with a special badge so they're easy to spot.
The 555 Bat app includes all the responsible gaming tools available on the website. You can set daily, weekly, or monthly deposit limits directly from the account settings inside the app. Self-exclusion options are also available. If you ever feel that your gaming is getting out of control, the tools are right there in your pocket — no need to open a browser or contact support. For more information, visit the Responsible Gaming page.
Android
| OS Version | Android 6.0 (Marshmallow) or higher |
| File Size | 18 MB |
| RAM Required | 1 GB minimum, 2 GB recommended |
| Storage | 50 MB free space |
| Internet | 3G / 4G / Wi-Fi |
| Installation | APK direct download |
iOS
| OS Version | iOS 13.0 or higher |
| File Size | 22 MB |
| Compatible With | iPhone 6s and newer |
| Storage | 60 MB free space |
| Internet | 3G / 4G / Wi-Fi |
| Installation | Profile / certificate install |
The 555 Bat app is free, fast, and built for Bangladesh. Download it now, register your account in two minutes, and claim your welcome bonus. The full game library is waiting.
18+ only. Gambling involves financial risk. Please play responsibly.