BLACK JACK PROBABILITY vs 優しい色合いのフラッシュ暗算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLACK JACK PROBABILITY
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Count the number of cards in BLACK JACK. View results based on the Basics Strategy.
優しい色合いのフラッシュ暗算
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「口数」「桁数」「間隔」の設定を変えて遊ぶことが出来ます。 ＜設定可能な選択＞ ・口数：5〜100問 ・桁数：1〜4桁 ・間隔：0.5〜3.0秒の0.5秒刻み 通常のフラッシュ暗算よりも優しい色合いで目への負担をかかりにくくしているため、小さなお子様からご年配の方まで楽しんでいただけたらと思います！
Screenshots
Verdict
The clearest difference is ads: BLACK JACK PROBABILITY at none against 優しい色合いのフラッシュ暗算's shown. 優しい色合いのフラッシュ暗算's advantage is update cadence (every 3 weeks vs every 4 months). On in-app purchases, 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
BLACK JACK PROBABILITY ships an update every 4 months, 優しい色合いのフラッシュ暗算 every 3 weeks. Both last shipped on November 3, 2026.
| Parameter | BLACK JACK PROBABILITY | 優しい色合いのフラッシュ暗算 |
|---|---|---|
| Price | — | Free — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.3 — better |
| Further details — not scored | ||
| Size | 5 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | MIAOU, KK | Manae Ishida |
In-app purchases
BLACK JACK PROBABILITY
No in-app purchases
優しい色合いのフラッシュ暗算
No in-app purchases
Questions
Is BLACK JACK PROBABILITY free?
Is 優しい色合いのフラッシュ暗算 free?
Do BLACK JACK PROBABILITY or 優しい色合いのフラッシュ暗算 have ads?
Which is updated more often, BLACK JACK PROBABILITY or 優しい色合いのフラッシュ暗算?
Other comparisons
