StudyArena

Yasuhiro Ogawa Productivity iPhoneiPadiPod touch

StudyArena is a free Productivity app for iPhone and iPad by Yasuhiro Ogawa. Requires iOS 18.5. Updated September 20, 2025.

Price: Free; on the App Store
Size: 23 MB; Age 12+
Updated: Sep 20; 2025 · v1.41

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About StudyArena

ストップウォッチで勉強時間を測って、友達と競いモチベーションを高めるのを目的として作ったアプリです。

What’s new

Version 1.41 · Updated September 20, 2025

いいね機能、MBTI機能のバグ修正を行いました。

App privacy

The developer, Yasuhiro Ogawa, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Purchases: Purchase History
Search History: Search History
Browsing History: Browsing History
Identifiers: User ID, Device ID
Usage Data: Product Interaction, Advertising Data, Other Usage Data

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality, Other Purposes

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Location: Coarse Location
User Content: Other User Content, Photos or Videos
Diagnostics: Performance Data, Crash Data, Other Diagnostic Data

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

App details

StudyArena is a free Productivity app for iPhone, iPad and iPod touch, developed by Yasuhiro Ogawa. It requires iOS 18.5 or later and is 23 MB to download. It was first released on July 14, 2025 and last updated on September 20, 2025.

Category: Productivity
Price: Free
Version: 1.41
Size: 23 MB
Requires: iOS 18.5 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 12+
Released: July 14, 2025
Last updated: September 20, 2025
Developer: Yasuhiro Ogawa

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Looking for apps like StudyArena? Here are 6 similar apps on the App Store. The highest rated is Ringround: Visual Day Planner (5.0/5), and all 6 are free to download.

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