---
title: "フラッシュ暗算1st - Reviews, Revenue and Downloads in Vietnam | Apple App Store"
description: "フラッシュ暗算を練習することができるアプリです。桁数（４桁まで）、口数（３０口まで）、間隔（0.1秒〜2秒まで）の調整ができます。弱点特化モードでは間違えた問題と似たような間違いを起こしやすい問題を自動的に作成し、繰り返し問題を解くことで定着を目指すことができます。"
---

# フラッシュ暗算1st — Vietnam

![フラッシュ暗算1st App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/32/5d/cb/325dcb38-df7f-d3de-23df-892c985da6d7/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-TgABmc)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.bookboldsoftware.flashanzan
**Store:** Apple App Store
**Country:** Vietnam
**Version:** 1.0 (released 2026-02-17)
**Original Release:** 2026-02-17
**Languages:** English, Arabic, Hindi, Japanese, Korean, Malay, Russian, Chinese, Thai, Vietnamese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/vn/app/app/id6759182283)
**AppTail Page:** [https://apptail.io/app/1st-FKnA/vietnam](https://apptail.io/app/1st-FKnA/vietnam)

## フラッシュ暗算1st Description
フラッシュ暗算を練習することができるアプリです。桁数（４桁まで）、口数（３０口まで）、間隔（0.1秒〜2秒まで）の調整ができます。弱点特化モードでは間違えた問題と似たような間違いを起こしやすい問題を自動的に作成し、繰り返し問題を解くことで定着を目指すことができます。

## フラッシュ暗算1st Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f2/7c/9a/f27c9ae6-d245-9574-f246-4258b3fd0357/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-02-14_at_11.07.16.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/62/d0/1a/62d01adb-8bd8-4980-8fac-8b8b6ac5cf88/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-02-14_at_11.07.23.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/85/d0/a0/85d0a0b7-f82d-42c8-9aec-f4106c338e02/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-02-14_at_11.09.45.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/da/79/44/da7944c7-01ab-6370-0e2c-4186d0d4264a/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-02-14_at_11.09.55.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/60/22/8c/60228c5b-c610-4345-d5fc-02b83b65bf5a/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2026-02-14_at_11.09.59.png/1242x2688.png)







## フラッシュ暗算1st Available In
- [South Africa](https://apptail.io/app/1st-FKnA/south-africa)
- [Brunei](https://apptail.io/app/1st-FKnA/brunei)
- [Canada](https://apptail.io/app/1st-FKnA/canada)
- [China](https://apptail.io/app/1st-FKnA/china)
- [India](https://apptail.io/app/1st-FKnA/india)
- [Japan](https://apptail.io/app/1st-FKnA/japan)
- [South Korea](https://apptail.io/app/1st-FKnA/south-korea)
- [Mexico](https://apptail.io/app/1st-FKnA/mexico)
- [United Arab Emirates](https://apptail.io/app/1st-FKnA/united-arab-emirates)
- [Thailand](https://apptail.io/app/1st-FKnA/thailand)
- [Vietnam](https://apptail.io/app/1st-FKnA/vietnam)
- [Russia](https://apptail.io/app/1st-FKnA/russia)

---

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