Download the sizi99 app free for Android and iOS. Slots, Live Casino, fish shooting games and deposits — all in one fast, lightweight and secure app.
Free download · Safe & Trusted · No disruptive ads
Designed especially for Malaysian users — the sizi99 app delivers a smooth, fast, and enjoyable gaming experience wherever you are.
The sizi99 app is optimised for high performance even on a standard 4G network. Games load in under 2 seconds with no lag or interruptions.
Protected by 256-bit SSL encryption and two-factor authentication (2FA). All your personal data and financial transactions are stored securely within the sizi99 app.
Slots, Live Casino, fish shooting games, and more — all accessible directly from the app's home screen without switching between different platforms.
DuitNow, FPX, Touch 'n Go eWallet, Boost, and GrabPay — all major Malaysian payment methods available directly in the app. Deposits credited in under 30 seconds.
Never miss a special offer. The sizi99 app will send notifications directly to your phone whenever there is a new bonus, jackpot, or limited-time promotion.
The sizi99 app's dark interface not only looks professional, it also reduces eye strain during long late-night gaming sessions.
The installation process takes less than 3 minutes. Follow the simple steps below for Android or iOS.
Go to page sizi99 registration or login if you already have an account. Verify your phone number and email.
In your account, navigate to the "App" menu or click the Android APK download button displayed on this page.
In your Android phone settings, enable "Install apps from unknown sources" or "Allow from this source" to permit installation of the sizi99 APK.
Open the downloaded APK file, tap "Install" and wait for the process to complete. Log in to your sizi99 account and start playing right away!
Visit the sizi99 site via Safari on your iPhone and create an account free or login to an existing account.
From within your account, navigate to the App section and select the iOS version. You will be directed to the sizi99 configuration profile.
Go to Settings → General → VPN & Device Management, find the sizi99 profile and tap "Trust" to allow installation.
The sizi99 app icon will appear on your iPhone home screen. Open it, log in, and enjoy all your favourite games right on your iPhone!
The sizi99 app brings our entire gaming ecosystem right to your phone screen. All major categories are fully available with no compromise on graphics quality or functionality.
Register a free account and receive an exclusive welcome bonus for new sizi99 members making their first deposit via the app.
Register Free LoginEvery aspect of the sizi99 app — from login to transactions — is designed to fully protect your data and funds.
Use fingerprint or facial recognition to log in quickly and securely. No more risk of leaked passwords — your identity is bound directly to your device.
All communication between the sizi99 app and our servers is protected by 256-bit SSL encryption. Your data cannot be intercepted or read by any third party.
The sizi99 AI system continuously monitors all account activity and will automatically block any suspicious activity before it affects you.
Your sizi99 account can be linked to trusted devices. Any login attempt from an unrecognised device will automatically require additional verification.
The days of players being tied to a laptop just to enjoy their favourite games are long gone. Today, the majority of Malaysian players access online casino platforms through their smartphones — whether commuting to work, relaxing at a mamak, or winding down at home before bed. Recognising this reality, sizi99 has invested heavily in developing a mobile app that not only performs reliably, but genuinely delivers a better experience than browsing the standard website.
The sizi99 app is more than just a mobile version of our website. It is a product built from the ground up with how Malaysian users actually use their phones in mind — one-handed, in varying lighting conditions, on occasionally unstable networks, and with the expectation that everything happens quickly without much thought.
One thing many other casino platforms overlook is an interface design that truly suits local users' habits and preferences. At sizi99, we took the time to understand how Malaysian users interact with an app — button sizes that work for thumbs, clear navigation even for new users, and an intuitive menu layout that needs no manual to figure out.
The sizi99 app uses dark mode design by default — not just because it looks more modern and professional, but because it is genuinely easier on the eyes when playing in low-light environments such as a bedroom or public transport at night. Optimised colour contrast ensures all text and buttons are easy to read even on smaller phone screens.
One of the most common complaints we hear about other casino apps is lag and disruption — especially when playing Live Casino games that require real-time video streaming. sizi99 addresses this with adaptive network optimisation technology that automatically adjusts video stream quality based on your internet connection speed at any given moment.
This means that even on an occasionally unstable 4G connection, your Live Casino experience on the sizi99 app remains smooth without frustrating interruptions. For slot games, graphic assets are pre-loaded and cached on your device, allowing uninterrupted gameplay even if your internet connection drops momentarily.
One of the biggest advantages of the sizi99 app over using a regular web browser is the convenience of managing your finances directly in the app. All major Malaysian payment methods — DuitNow QR, DuitNow Transfer, FPX Internet Banking, Touch 'n Go eWallet, Boost and GrabPay — are fully integrated within the sizi99 app.
When you make a deposit via DuitNow in the sizi99 app, the process takes just a few taps. Scan the displayed QR code with your banking or e-wallet app, confirm the payment, and your balance will be credited to your sizi99 account in under 30 seconds. The same applies to withdrawals — you can submit a withdrawal request directly from the account page in the app, and funds will be transferred to your Malaysian bank account within the stipulated timeframe.
Sizi99 understands that too many notifications can quickly become a nuisance. That's why our app's notification system is designed to be smart and relevant — not just sending constant alerts purely to pull your attention back to the app.
You can choose which notifications you want to receive: new bonuses, available jackpots, limited-time promotions, or deposit and withdrawal status. All notification settings can be fully customised in the sizi99 app settings according to your personal preferences.
The slot collection in the sizi99 app is among the most complete on any mobile casino platform in Malaysia. From classic three-reel slots that you can play one-handed, to high-tech video slots with cinematic animations and complex bonus features — it's all available right inside the sizi99 app.
Among the most popular with Malaysian players are Asian-themed slots with familiar symbols, progressive jackpot slots with prizes that can reach tens of thousands of ringgit, and slots with special features like free spins, multiplier wilds, and interactive bonus games. Every slot in the sizi99 app uses a certified Random Number Generator (RNG) independently verified to ensure fair outcomes on every spin.
The Live Casino section of the sizi99 app is among the most sought-after by experienced players. Through high-definition video streaming, you can sit at a blackjack, baccarat, roulette, or sic bo table hosted by real dealers in real time — all from your smartphone screen.
Interaction with dealers and other players happens through the built-in live chat function within the app. This delivers a more authentic social experience compared to playing against a computer alone. For Malaysian players who enjoy a livelier and more interactive gaming experience, the Live Casino section of the sizi99 app is a must-visit destination.
The sizi99 app also includes comprehensive responsible gaming tools built directly into the interface. You can set daily, weekly, or monthly deposit limits; session time limits; and self-exclusion options if you feel you need a break. All these settings can be configured under the "Responsible Gaming" section in your sizi99 app account settings.
We believe that a responsible online casino not only provides a better experience for players, but also helps ensure gaming remains an enjoyable form of entertainment — not a burden. Learn more on the Responsible Gaming us.
Here are answers to the most frequently asked questions from users about the sizi99 Malaysia app.
Register a free account today, download the sizi99 app, and enjoy an exclusive welcome bonus waiting for every new member. Android and iOS — both fully supported.