---
title: "BlackJack8 - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "The number of cards remaining can be predicted by inputting cards. Players can predict the number of cards remaining by inputting cards, and deriving the best strategy by themselves. Three counting sy"
---

# BlackJack8 — Japan
> Counting App for Black Jack

![BlackJack8 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/35/53/57/35535736-bffb-f342-ac4b-f66d45075bed/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [ANYONE](https://apptail.io/developer/anyone-wsOb)
**Category:** Entertainment
**Rating:** 4.0/5 (5 ratings)
**Price:** Free
**Bundle ID:** win.oncasi.blackjack8
**Store:** Apple App Store
**Country:** Japan
**Version:** 1.2.26 (released 2025-01-24)
**Original Release:** 2021-11-16
**Languages:** English, Japanese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id1577319261)
**AppTail Page:** [https://apptail.io/app/blackjack8-fcaf/japan](https://apptail.io/app/blackjack8-fcaf/japan)

## BlackJack8 Description
The number of cards remaining can be predicted by inputting cards. Players can predict the number of cards remaining
by inputting cards, and deriving the best strategy by themselves.
Three counting systems are introduced.
HI AND LOW(FOR GENERAL BEGINNERS)
HI OPT II(FOR ADVANCED AND CAUTIOUS PLAYERS) ZEN(FOR ADVANCED PLAYERS)
Data analysis to determine when to make a decision.The number is set to be added to the EXP (expected value) of the method, which is considered independently. The higher the system count, the better it is for the player.g can be predicted by inputting cards.Players can predict the number of cards remainingby inputting cards, and deriving the best strategy by themselves.Three counting systems are introduced.HI AND LOW(FOR GENERAL BEGINNERS)HI OPT II(FOR ADVANCED AND CAUTIOUS PLAYERS)ZEN(FOR ADVANCED PLAYERS)Data analysis to determine when to make a decision.The number is set to be added to the EXP(expected value) of the method, which is considered independently. The higher the system count, thebetter it is for the player.

※You will need to purchase a subscription to access this app.

Term of use => 

## BlackJack8 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/cf/f2/4b/cff24b90-5063-5727-4cb8-e56840d7bf67/77ec849e-d161-42dc-9e47-5a4f63b60bd7_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/0a/ef/37/0aef3747-e87a-6fd7-7e64-139bb14f7b8d/1c715548-8e50-417b-8b4c-0943d8ca50ed_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/f3/19/1f/f3191fd7-e102-62ab-7762-7d914f7847f9/ffd5d81a-49c5-4be8-ade8-31eeb4e8a2fe_3.jpg/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/e8/03/21/e8032165-b462-c978-4554-235c96905bea/c278e96e-7bfc-46fc-8beb-fc6dda224308_4.jpg/1284x2778.png)

## BlackJack8 Rating Breakdown in Japan
- 5 stars: 3 (60%)
- 4 stars: 1 (20%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 1 (20%)

## BlackJack8 Reviews in Japan

### ***** "概要説明"
あくまで遊びのトレーニングアプリです。
1、まずは正確に入力してプレイしてください。
2、勝敗も入れてください。
3、スライドするとカウント別で勝率が表示されます。
4、EXPは期待値です。ケリー理論を参考に独自数字となっています。
*右に2回スライドするとカウント別のBSが表示されますので、参考にしてください。
*右に1回スライドすると間違って入力した数字を選択すると上書き修正できます。
*左にスライドすると勝敗表が表示されますが、これも修正できます。

*H & L 以外を選択した場合に戻ってしまう不具合は修正しました。
-- Tendai！, 2024-12-16

### *---- "使えない"
Zenカウンティングですら正しく計算できていない。
トライアルで確認できて良かった。
-- D.D.D, 2024-01-05

### ***** "高いですが素晴らしい"
h&l exp とtrue expの意味を教えてください
-- しんたろうさんだ, 2022-11-25

[View all BlackJack8 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## BlackJack8 In-App Purchases
| Item | Price |
|------|-------|
| サブスクリプション（1ヶ月） | ¥3.30 |


## BlackJack8 Discovered Keywords
- blackjack8


## BlackJack8 Available In
- [Japan](https://apptail.io/app/blackjack8-fcaf/japan)
- [Belgium](https://apptail.io/app/blackjack8-fcaf/belgium)
- [Canada](https://apptail.io/app/blackjack8-fcaf/canada)
- [Switzerland](https://apptail.io/app/blackjack8-fcaf/switzerland)
- [Algeria](https://apptail.io/app/blackjack8-fcaf/algeria)
- [Estonia](https://apptail.io/app/blackjack8-fcaf/estonia)
- [Finland](https://apptail.io/app/blackjack8-fcaf/finland)
- [Italy](https://apptail.io/app/blackjack8-fcaf/italy)
- [United States](https://apptail.io/app/blackjack8-fcaf/united-states)
- [Austria](https://apptail.io/app/blackjack8-fcaf/austria)
- [New Zealand](https://apptail.io/app/blackjack8-fcaf/new-zealand)
- [Russia](https://apptail.io/app/blackjack8-fcaf/russia)
- [Saudi Arabia](https://apptail.io/app/blackjack8-fcaf/saudi-arabia)
- [Slovenia](https://apptail.io/app/blackjack8-fcaf/slovenia)
- [Thailand](https://apptail.io/app/blackjack8-fcaf/thailand)
- [Germany](https://apptail.io/app/blackjack8-fcaf/germany)

---

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