Reference

sk21 App for Android and iOS

The sk21 app puts live casino tables, slot rooms and our full sportsbook into a single install on your phone — fingerprint login gets you into your account…

AndroidiOSAPK 30MBPush alertsBiometric login

Explore our lobby Read FAQ

Your Full Lobby, Pocket-Sized

Once you install the sk21 app, the entire lobby — Cash or Crash, live Turbo Blackjack, Football Strike, Jungle Stripes — loads on the same screen you carry everywhere. Push notifications fire when a match market opens or a slot feature round starts. Quick deposit via UPI or Paytm sits one tap from the home screen, and fingerprint login means you skip

the password every time you return. The betslip stays open while you scroll the live tables, so you never lose your place mid-session.

APP FEATURE SNAPSHOT

Six Reasons the App Changes How You Play

The sk21 app is engineered around the things that slow you down on a mobile browser — long load times, fiddly menus, lost sessions.

Fingerprint Login Touch ID and Face ID are supported on both Android…

Dark Mode The app ships with a dark interface as default.

Push Notifications Opt in to match-start alerts, slot feature triggers and promo-board…

Offline Lobby Preview Drop below 4G and the lobby thumbnail grid stays visible…

Quick Deposit Shortcut A persistent chip row at the foot of every screen…

Betslip-on-the-Go The sportsbook betslip floats as a collapsible panel.

Install the sk21 App in 3 Steps

Android install takes under two minutes from the moment you tap the download link. iOS install via our web-clip shortcut requires no sideloading at all — Safari handles it natively. Follow the steps below and your account will be open on your home screen before you finish reading this page.

Download the APK — Tap the Download APK button on this page. The 30MB file lands in your Android Downloads folder. On iOS, tap Add to Home Screen in Safari — no APK needed.
Allow Unknown Sources — On Android, open Settings → Apps → Special App Access → Install Unknown Apps and enable your browser. This one-time step lets the sk21 APK install cleanly. iOS skips this step entirely.
Open and Sign In — Launch the app, enter your account credentials and enable fingerprint login when prompted. Your wallet balance, game history and promo-board access carry over instantly — nothing resets.
Enable Push Alerts — Tap Allow when the notification prompt appears. You can tune exactly which alerts reach you — match starts, slot feature rounds, or promo-board changes — from Settings inside the app at any time.

DEVICE COMPATIBILITY

Minimum Requirements for the sk21 App

The sk21 app is built to run on mid-range Indian handsets — not just flagship devices. Check the minimum specs below against your phone before downloading.

Auto-refresh hourly

Android Version

92%

Android 8.0 (Oreo) or higher. Devices running Android 10 and above get the smoothest live-table frame…

iOS Version

97%

iOS 13 or higher. iPhone SE (2nd generation) and later are fully supported.

RAM

96%

2 GB RAM minimum; 3 GB or more recommended for simultaneous live-table streaming and an open…

Storage

95%

35 MB free storage covers the APK and local cache.

Supported Regions

94%

Available for download and account access where local law permits.

RTP percentages are informational reference values from provider documentation. Actual session outcomes vary.

INSIDE THE APP SCREENS

A Tour of What You See After You Install

The sk21 app opens on a lobby grid that arranges live tables, slots and sportsbook in three swipeable tabs.

Live lobby preview with real-time seat counts on every table

Slot favourites row — pin Jungle Stripes, Mahjong Ways or Aviator for one-tap access

Quick bet panel for Football Strike and live sports markets

Account access — balance, transaction history and withdrawal status at a glance

Promo board — see what is running this week without leaving the app

Settings hub — notifications, biometric toggle and language preference in one place

Open your account Explore our lobby

APP HELP CHANNELS

Help When the App Needs Attention

Most app questions — APK not installing, biometric not prompting, push alerts not arriving — are answered inside the app itself under Help.

In-App Support Chat Tap Help → Chat from inside the sk21 app at any hour. The chat thread stays open in a separate panel so you can keep playing while a support agent walks through your issue step by step.

Email Support Send a detailed message with your account ID, device model and Android or iOS version to our support address. Responses arrive within four hours and include a direct fix or a tested workaround.

App Install Assistance If the APK install stalls or the iOS shortcut does not pin correctly, reach out via chat or email with a screenshot. Our team will walk you through device-specific settings to complete the install.

APP SECURITY SIGNALS

Why You Can Trust What You Install

The sk21 app APK is signed with our own certificate — your device can verify the signature before the install completes.

Code Signing

Every APK release carries our developer certificate. Android verifies the signature automatically at install time — if the file was modified after we published it, the install will fail and alert you.

Direct Distribution Only

We publish the APK exclusively on sk21.org. No third-party app stores, no mirror download sites. If you see our app listed elsewhere, it is not from us — treat it as untrusted.

Encrypted Account Sessions

All app traffic runs over TLS 1.3. Your login credentials, wallet balance and transaction data are encrypted in transit between your device and our servers — the same standard used by Indian banking apps.

Account Recovery Path

If you switch phones or reinstall the app, your account history, wallet balance and preferences are stored server-side. Log in with your credentials and everything is there as you left it.

Biometric, Not Stored Password

When you enable fingerprint or Face ID, the app uses your device's secure enclave — your biometric data never leaves your phone and is never transmitted to our servers.

No Hidden Permissions

The sk21 app requests only the permissions it needs: camera for document verification, storage for APK install, and notifications. You can review and revoke each permission in your device settings at any time.

App Experience Against Mobile Browser

If you have been using sk21.org through Chrome or Safari on your phone, the app does several things the browser cannot match — particularly around speed, notifications and…

Login Speed	The app opens with fingerprint in under two seconds. The mobile browser requires you to navigate to the site, wait for it to load, and type your password each session — typically eight to fifteen seconds.
Push Notifications	The app delivers lock-screen alerts for match starts and slot feature rounds even when your phone screen is off. Browser-based notifications depend on the tab staying open, which drains battery.
Offline Lobby Preview	The app caches the lobby grid so you can browse titles on a metro with no signal. The mobile browser shows an error page the moment connectivity drops — nothing is visible without a live connection.
Session Persistence	The app holds your session in the background for up to 24 hours. Switch to another app and come back — you are still logged in. Mobile browsers often expire the session after the tab is backgrounded.
Betslip Stability	The app keeps your betslip selections across tab switches and phone locks. On a mobile browser, a page reload wipes the slip — a common frustration during live Football Strike markets.
UPI Deposit Flow	The app hands off to your UPI app — PhonePe, Paytm, Google Pay — and returns you to your sk21 wallet automatically once the transfer clears. Browser flows sometimes lose the return redirect on older Android builds.

Questions About the sk21 App

If something about the download, install or app behaviour is unclear, the answers below cover the questions we hear most from Indian account holders.

The APK is available only on sk21.org — tap the Download APK button on this page. We do not publish the file on third-party stores, so any listing elsewhere is not from us and should be treated as untrusted.

Yes. On iOS you add sk21 as a web-clip shortcut via Safari — tap the Share icon and choose Add to Home Screen. It opens and behaves like a native app without requiring a separate App Store listing or sideloading.

Android 8.0 (Oreo) or higher is required. For the smoothest live-table performance and fastest APK install, Android 10 or above on a device with at least 3 GB RAM is what we recommend.

Yes. The quick deposit shortcut at the bottom of every screen routes to UPI, Paytm and PhonePe. The app hands off to your chosen payment app and returns you to your sk21 wallet once the transfer clears — usually under a minute.

Android blocks APK installs from outside the Play Store by default as a security precaution. You enable the permission once for your browser in Settings, install the app, and we recommend turning it off again afterwards.

Your account data — wallet balance, transaction history, preferences and promo-board status — is stored on our servers, not on the device. Install the app on your new phone, log in with your credentials and everything is there.

Open the app, go to Settings → Notifications and toggle off any category you do not want. You can also revoke the notification permission entirely from your Android or iOS device settings — the app continues to work normally.