Get the full online138 experience directly on your smartphone. Our official app is available free for Android and iOS — lightweight, fast, and completely secure.
Both versions of the app offer an equally complete experience — choose the one that suits your device.
"Unknown Sources" must be enabled in Android settings
Compatible with iPhone XR and above & all current iPad models
Playing casino games and sports betting on smartphones has become the new norm in Malaysia. Nearly 80% of online138 users now access our platform via mobile devices, and that comes as no surprise. In an age where everyone always has their phone in hand, the convenience of playing without sitting in front of a computer is a major advantage.
What sets the online138 app apart from many other casino apps on the market is our commitment to performance and stability. This isn't just a scaled-down "mobile" version of the desktop site — it's a product built from the ground up for the mobile experience, with an interface optimised for touchscreens, thumb-friendly button sizes, and intuitive navigation even for first-time users.
The online138 Android APK file is just 45 MB – far smaller than many other casino apps that can reach 150 MB or more. This matters for Malaysian users who may have limited device storage or inconsistent data connections. You can download the app in under two minutes even on a standard 4G connection.
Despite its small size, the app makes no compromise on content. All 1,200+ games available on the full web platform are also accessible through the app, including video slots, table games, live casino with real dealers, and sports betting with live markets. Games are streamed from our servers, meaning you do not need to download each game individually to your device.
The graphics performance of the online138 app is worth highlighting. Video slot games with rich animations and live casino requiring high-quality video streaming run smoothly on our mobile app, including on mid-range devices commonly used by Malaysian players. Our engineering team optimizes every new app version to ensure the best experience across a wide range of devices.
Mobile app security is something online138 takes very seriously. Unlike some platforms that rely on basic security protocols, the online138 app uses 256-bit SSL encryption for all data communications — the same standard used by leading online banking platforms.
Biometric authentication — fingerprint or Face ID — is available on the app for both Android and iOS. This means logging into your account is fast and secure without having to type your password every time. Two-factor authentication (2FA) also works fully within the app, adding an important extra layer of protection.
For financial transactions, the online138 app supports all Malaysian local payment methods including FPX, Touch 'n Go eWallet, and MAE by Maybank. Deposits and withdrawals through the app are just as fast as the web version — deposits are processed instantly while withdrawals are completed within 5 minutes. Your financial data is not stored in the app; every transaction is processed directly through a certified payment gateway.
The online138 app does not store any sensitive data locally on your device. All data is encrypted and cleared once your session ends. For more information, refer to Privacy Policy us.
One thing you may notice after using the online138 app for a while is how frequently we release updates. These are not just bug fixes – each new version typically brings new features, performance improvements, or the addition of new games. Our development team works continuously to keep the app at its best.
The update process is designed to be as simple and fast as possible. Android users can download updates directly via in-app notifications without having to manually search for a new APK file. iOS users will receive update notifications as usual. Updates typically take only a few minutes and will not affect your existing account data or settings.
Players on the latest app version also benefit from exclusive features that are sometimes rolled out to app users ahead of the web version. Exclusive deposit bonuses for app users, mobile-specific promotions, and early access to new games are among the perks we offer to reward players who choose the full app experience.
The online138 APK is not available on the Google Play Store due to Play Store policies on gambling apps. You will need to enable "Unknown Sources" once before installing. The process is simple and safe.
Click the "Register" button and complete your free account registration. It takes less than a minute.
Go to Settings → Security → enable "Install Unknown Apps". On Android 8+, you only need to grant permission for the browser you are using.
Tap the Android APK download button and wait for the download to complete. The APK file is only 45 MB.
Open the downloaded APK file, tap "Install" and wait a few seconds for the installation to complete.
Open the app, log in with your online138 account, and start enjoying over 1,200 games straight from your phone.
IOS users can install the online138 app via the direct download link we provide. This process uses the TestFlight method or a valid provisioning profile, and is completely safe and secure.
Use the Safari browser (not Chrome) to download the iOS installation profile. This is an Apple technical requirement that cannot be bypassed.
Tap the download link and select "Allow" when Safari prompts you for permission to download the configuration profile.
Go to Settings → General → VPN & Device Management → tap the online138 profile and select "Install".
Go to Settings → General → Device Management → tap the developer name and select "Trust". This step is only required once.
Find the online138 icon on your iPhone home screen, open the app, log in and enjoy a premium gaming experience.
The online138 app is designed to run on a wide range of devices. Check the minimum requirements below.
| Specifications | Android (Minimum) | Android (Recommended) | IOS (Minimum) |
|---|---|---|---|
| Operating System | Android 7.0 | Android 11+ | iOS 13 |
| RAM | 2 GB | 4 GB+ | 2 GB |
| Storage Required | 100 MB | 200 MB | 120 MB |
| Data Connection | 3G / 4 Mbps | 4G / 10 Mbps | 3G / 4 Mbps |
| Live Casino (Video) | 4G / 8 Mbps | 4G / 15 Mbps+ | 4G / 8 Mbps |
| Screen Resolution | 720p | 1080p+ | 720p (Retina) |
| GPS / Location | Not required | ||
The online138 app is more than a casino in your pocket — it's a complete platform with all the features you'd expect.
All video slots, table games, live casino, and sports are available without limits in the mobile app.
Receive notifications for goals, match results, new bonuses, and withdrawal updates directly to your phone.
Use your fingerprint or Face ID to log in quickly and securely without needing to remember your password each time.
Deposit and withdraw directly in the app via FPX, Touch 'n Go, MAE, and a range of other payment methods.
High-quality video streaming for all live casino tables, optimized for mobile connections.
Dark mode is optimised for better battery life and a comfortable viewing experience at night.
Join the growing online138 player community. Register for free today and download the app to start your best gaming experience.
For users aged 18 and above only. Play responsibly.