1. Contents
  2. Basic Info
  3. SDKs Used
  4. App Info
  5. Deep Links
  6. Popularity
  7. History
  1. Mobile Apps
  2. Games
Medium

21 Blitz

21 Blitz is a mix of Blackjack and Solitaire. It's a perfect way to practice your blackjack skills, train your brain or just pass the time.

Play against real people for free then switch to cash games when you're ready to compete and win!

How to Play
• Make 21s or stacks of 5 cards to score points.
• Each game has 1 full deck of cards, a perfect challenge for aspiring card counters.
• Finish the deck before the clock runs out and you'll receive a time bonus.
• Find Combos and Streak bonuses to perfect your strategy.

No longer a solitary experience!
• Games can be played Head to Head with other players or in large, multiplayer tournaments.
• In head to head games, both players solve the same deck and the player who finishes with the most points win.
• Challenge people around the world with Skillz, a competition platform complete with leaderboards, trophies, Cash or virtual currency prizes, and an amazing loyalty program that rewards you for playing!
• Cash tournaments are available in about 75% of the world. Cash tournaments are not enabled in the following states: AZ, AR, CT, DE, FL, IL, IN, LA, MD, ME, MT, SC, SD, and TN. If you don't live in a cash-enabled region, you can still play for free.

If you have any questions feel free to reach us at info@tetherstudios.com
If you have any questions about the Skillz system or cash tournaments please contact: support@skillz.com

SDKs used
Apple logo 170x170 SDK
Top Apps: 2.8%
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FLAnimatedImage
UI SDK

Performant animated GIF engine for iOS
 
Apple logo 170x170 SDK
Top Apps: 0.1%
E
EARestrictedScrollView

UIScrollView sublass with ability to restrict or limit scrolling area.
 
Apple logo 170x170 SDK
Top Apps: 0.5%
PL
PureLayout
UI SDK

The ultimate API for iOS & OS X Auto Layout — impressively simple, immensely powerful. Objective-C and Swift compatible
 
Apple logo 170x170 SDK
Top Apps: 21%
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Facebook Mobile SDKs
Framework SDK

Facebook Mobile SDKs for authentication, sharing, advertising, etc.
 
SDK
Top Apps: 23%
Small
Fabric by Twitter
Framework SDK

In addition to Crashlytics, the #1 crash reporting solution, we’ve brought other best-in-class mobile services to Fabric
 
Apple logo 170x170 SDK
Top Apps: 22%
Small
Bolts
Utility SDK

A collection of low-level libraries making mobile app development easy
 
Apple logo 170x170 SDK
Top Apps: 0.4%
SZ
SZTextView
UI SDK

Drop-in UITextView replacement which gives you: a placeholder
 
Apple logo 170x170 SDK
Top Apps: 0.5%
RE
REFrostedViewController
UI SDK

iOS 7/8 style blurred view controller that appears on top of your view controller
 
Apple logo 170x170 SDK
Top Apps: 1.8%
RN
React Native
Framework SDK
 
Apple logo 170x170 SDK
Top Apps: 3.3%
Small
AWS Mobile SDK (Core)
MBaaS SDK

Amazon Web Services SDK for iOS
 
Apple logo 170x170 SDK
Top Apps: 0.9%
Small
Amplitude
Analytics SDK

Amplitude helps you understand your user behavior at scale to drive growth and retention
 
Apple logo 170x170 SDK
Top Apps: 1.9%
Small
AWS Mobile SDK (Cognito)
Authentication SDK

Amazon Cognito SDK for iOS
 
Apple logo 170x170 SDK
Top Apps: 21%
Small
FBSDKCoreKit
Social SDK

Official Facebook SDK for iOS to access Facebook Platform's core features
 
Apple logo 170x170 SDK
Top Apps: 17%
SD
SDWebImage
UI SDK

Asynchronous image downloader with cache support
 
Apple logo 170x170 SDK
Top Apps: 4.6%
Small
MoPub (Twitter)
Advertising SDK

MoPub, a Twitter company, powers the leading monetization platform for mobile apps & provides access to high quality mob
 
Apple logo 170x170 SDK
Top Apps: 14%
Small
FBSDKShareKit
Social SDK

This open-source library allows you to integrate Facebook into your iOS app
 
Apple logo 170x170 SDK
Top Apps: 1.1%
Small
PayPal
Payment SDK

The PayPal iOS SDK makes it easy to add PayPal and credit card payments to mobile apps
 
Apple logo 170x170 SDK
Top Apps: 0.4%
DU
DeviceUtil
Utility SDK

DeviceUtil helps identifying the exact harware type of the device. e.g. iPhone 6 or iPhone 6s
 
Apple logo 170x170 SDK
Top Apps: 1.4%
IQ
IQKeyboardManager
UI SDK

Prevent issues of the keyboard sliding up and cover UITextField/UITextView without needing you to enter any code and no
 
Apple logo 170x170 SDK
Top Apps: 0.2%
AF
AFOAuth2Manager
Authentication SDK

AFOAuth2Manager is an extension for AFNetworking that simplifies the process of authenticating against an OAuth 2 provid
 
Apple logo 170x170 SDK
Top Apps: 0.7%
SM
SMPageControl
UI SDK

UIPageControl drop-in replacement supporting wood, gradients, and inner shadows
 
Apple logo 170x170 SDK
Top Apps: 0.9%
FK
FormatterKit
Utility SDK

FormatterKit is a collection of well-crafted NSFormatter subclasses
 
Apple logo 170x170 SDK
Top Apps: 18%
Small
FBSDKLoginKit
Authentication SDK

Official Facebook SDK for iOS to access Facebook Platform Login feature
 
Apple logo 170x170 SDK
Top Apps: 22%
Small
Bolts-ObjC
Utility SDK

Collection of low-level libraries making mobile app development easy
 
Apple logo 170x170 SDK
Top Apps: 0.2%
On
Ono
Utility SDK

A sensible way to deal with XML & HTML
 
Apple logo 170x170 SDK
Top Apps: 19%
Small
AFNetworking
Networking SDK

Widely used networking for iOS and Mac OS X
 
Apple logo 170x170 SDK
Top Apps: 15%
PL
PLCrashReporter
Crash Reporting SDK

Reliable, open-source crash reporting for iOS and Mac OS X
 
Apple logo 170x170 SDK
Top Apps: 0.6%
Small
Amazon Mobile Analytics
Analytics SDK

With Amazon Mobile Analytics, you can measure app usage and app revenue. By tracking key trends such as new vs. returnin
 
Apple logo 170x170 SDK
Top Apps: 9.1%
UE
Unity Engine
Framework SDK

Game engine with full IDE.
 
Apple logo 170x170 SDK
Top Apps: 0.8%
Small
Kochava
Attribution SDK

Kochava is a leading mobile attribution and analytics platform, with all the right features to be the only partner you’l
 
App Info
Created: February 5, 2018
Updated: December 6, 2018

Requirements

  • Min iOS version: 9.0
  • File size: 164MB

Permissions

  • Bluetooth support
  • Calendar access
  • Contacts access
  • location_always
  • Location (when in use)
  • Microphone access
  • Photos access
Popularity
History
IOS 1.06 December 6, 2018 Started using FLAnimatedImage
IOS 1.05 May 22, 2018 Started using PureLayout
IOS 1.04 April 23, 2018
IOS 1.03 March 5, 2018
IOS 1.01 February 21, 2018