# 21 Card Counter > Card counting utility for 21 card games to track win probability. (iPhone/iPad app by Yeong Wu Heo.) - Source: https://appshunter.io/ios/app/21-card-counter/id1483176960 (this page in markdown: same URL + `.md`) - Developer: [Yeong Wu Heo](https://appshunter.io/developer/1483176959) - Category: Utilities - Price: Free - Rating: 3.67/5 from 3 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 34 MB - Languages: English - Released: 2019-11-04 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/21-card-counter/id1483176960/reviews.md ## What is 21 Card Counter? 간단한 21 카드 게임 카운팅 어플입니다. 카드가 나올 때마다 하단 버튼을 눌러 카운팅하며 플러스(+)가 커질수록 플레이어 승리 확률이 올라갑니다. 이 앱은 참고용으로 사용하세요 It's a 21 card game counting app. Press the bottom button to count each time the card comes out. The greater the plus (+), the greater the probability of winning the player. Use this app as a reference. ## Key features - Card counting for 21 games - Track running totals - Indicates player win probability - Reference tool for gameplay ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/21-card-counter/id1483176960/reviews.md ### 5/5 — Great app thank you! *2024-09-25* Very hard to find counter that does what you. This app is what you need. Yes it’s not in English, but if you know how to simply copy and paste that should not be a problem for you. Thank you for ending my search ## Frequently asked questions about 21 Card Counter ### What is 21 Card Counter used for? 21 Card Counter is a utility app designed to help players count cards during a 21 card game. It allows users to track a running total as cards appear, with the goal of indicating the probability of player victory. ### How does 21 Card Counter work? Users press a button on the app each time a card appears in the game. This action updates a running count, which is displayed as a positive or negative number. A higher positive count suggests an increased chance of the player winning. ### Is 21 Card Counter a game itself? No, 21 Card Counter is not a game. It is a reference tool to assist players who are already playing a 21 card game, helping them with their card counting strategy. ### What is the rating for 21 Card Counter? 21 Card Counter has a rating of 3.7 stars based on 3 user ratings. This indicates a generally positive but mixed reception from its current user base. ### Does 21 Card Counter have ads? No, 21 Card Counter does not contain advertisements. The app is free to download and use without any interruptions from ads. ### What devices is 21 Card Counter available on? 21 Card Counter is compatible with iPhone, iPad, and iPod devices. It is designed for the iOS ecosystem. ### When was 21 Card Counter last updated? The latest version of 21 Card Counter was released on September 25, 2023. This indicates that the app is actively maintained by its developer. ### What is the age rating for 21 Card Counter? 21 Card Counter has an age rating of 4+. This means it is suitable for users of all ages and does not contain content that would be considered inappropriate for children. ## Version history (last 5 releases) ### 10 — 2023-09-25 change homepage fixed bugs ### 9.4 — 2020-11-29 fixed bugs ### 9.3 — 2020-10-01 Fixed bugs ### 9.2 — 2020-09-10 bug fixed ### 9.1 — 2020-06-09 bug fixed Fixed the button probability to be displayed correctly. 버튼 확률이 정확하게 표기되도록 수정했습니다. ## Apps similar to 21 Card Counter | App | Rating | Price | Category | | --- | --- | --- | --- | | [Win-Loss Counter](https://appshunter.io/ios/app/win-loss-counter/id6479538766) | 3.0 (1) | Free | Utilities | | [DIY Fengshui](https://appshunter.io/ios/app/diy-fengshui/id1466044362) | 3.5 (14) | Free | Utilities | | [One Tap Timer – Easy Countdown](https://appshunter.io/ios/app/one-tap-timer-easy-countdown/id6755622690) | 4.9 (16) | Free | Utilities | | [Glow RGB Air](https://appshunter.io/ios/app/glow-rgb-air/id6498626641) | — | Free | Utilities | | [GTO Preflop](https://appshunter.io/ios/app/gto-preflop/id1629141961) | 4.5 (12) | Free | Utilities | | [Random Number Generator Deluxe](https://appshunter.io/ios/app/random-number-generator-deluxe/id1673095559) | — | Free | Utilities | ## More apps by Yeong Wu Heo - [BP Card Counter](https://appshunter.io/ios/app/bp-card-counter/id1483455308) - [Simple Scoreboard](https://appshunter.io/ios/app/simple-scoreboard/id1486531764) - [Multiple Scoreboard](https://appshunter.io/ios/app/multiple-scoreboard/id1486548518) - [네잎클로버 - 텍사스 홀덤 방법](https://appshunter.io/ios/app/id1486558221) - [BP Card Counter Pro](https://appshunter.io/ios/app/bp-card-counter-pro/id1509198723) All apps by Yeong Wu Heo: https://appshunter.io/developer/1483176959 ## Related topics [21 card counter](https://appshunter.io/ios/topics/21-card-counter) · [card counter](https://appshunter.io/ios/topics/card-counter) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*