びっくりアプリ vs BlackJack8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
びっくりアプリ
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ボタンを押したら、ドッキリをかけられるアプリです。 ボタンを押すと骸骨が出現して、ユーザーを驚かせます。その時のiphoneの傾き具合をセンサによって、計測してビビり度を判定します ビビリ度とは、iPhoneのセンサで、iPhoneが、どれくらい傾いたかを計測し、その傾き具合によって、ビビリ度を三段階に判定します。 注意:使用するときは、iphoneの左側にあるサイレントスイッチをオフにしてください。(これをしなければ音が出ません)
BlackJack8
Learn and master card counting strategies for blackjack. This app offers three distinct counting systems and data analysis tools to help you predict remaining cards and optimize your gameplay. It's designed for both beginners and advanced players seeking to improve their decision-making at the table.
- Card counting strategy training
- Three counting systems (Hi-Lo, Hi Opt II, Zen)
- Data analysis for decision making
- Predict remaining cards
- EXP (expected value) calculation
- Beginner and advanced modes
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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 => https://oncasi.win/terms-and-conditions/
Screenshots
Verdict
The clearest difference is price: BlackJack8 at Free against びっくりアプリ's $1.99. BlackJack8 also leads on ads (none vs shown) and update cadence (every 8 days vs every 4 months). びっくりアプリ's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 67%). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
BlackJack8 is free to download; びっくりアプリ costs $1.99 up front. BlackJack8 sells 1 in-app purchase, starting at $29.99 per month. びっくりアプリ asks for nothing beyond the download.
びっくりアプリ ships an update every 4 months, BlackJack8 every 8 days. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.
| Parameter | びっくりアプリ | BlackJack8 |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.2 — better | 15.6 |
| Further details — not scored | ||
| Size | 20 MB | 61 MB |
| Age rating | 9+ | 4+ |
| Developer | Yusaku Fujita | ANYONE INC. |
Customer experience
びっくりアプリ
BlackJack8
In-app purchases
びっくりアプリ
No in-app purchases
BlackJack8
- Subscription(1 month)1 Month trial$29.991 Month
Questions
Is びっくりアプリ free?
Is BlackJack8 free?
Do びっくりアプリ or BlackJack8 have ads?
Which is updated more often, びっくりアプリ or BlackJack8?
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