集中の木 vs StudyQuest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
集中の木
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スマホをつい触ってしまう。作業が続かない。 そんな悩み、ZenTreeで楽しく解決しませんか? このアプリは、25分の集中と5分の休憩を繰り返す「ポモドーロ技法」を活用したタイマーアプリです。あなたが集中している間、画面の中では小さな種が成長し、美しい植物へと育っていきます。 集中をカタチに:タイマーをスタートすると植物が育ち始めます。もし途中でアプリを閉じたり作業を諦めたりすると、せっかくの植物が枯れてしまうので注意! 自分だけのガーデン: 集中に成功した植物は「ガーデン」に保存されます。頑張った分だけ、あなたの庭は豊かになります。 成長を可視化: 統計画面で、これまでの集中時間や達成度をチェック。日々の積み重ねがグラフで一目で分かります。 最新の使い心地: ロック画面や画面上部(ライブアクティビティ)にタイマーを表示。別の作業をしていても、残り時間がいつでも確認できます。 「仕事や勉強を、もっと楽しく。」 ZenTreeで、あなたの集中力を美しい花として咲かせましょう!
StudyQuest
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Every minute you study makes your character stronger. StudyQuest turns your daily learning into an RPG adventure — track your progress, reflect on your notes, and build unstoppable study habits. ■ Grow stronger through studying Study time converts directly into EXP. The more you learn, the more powerful your character becomes. Watching your progress accumulate makes it easier to keep going — just a little longer each day. ■ Track, record, and reflect • Log subjects and topics to organize your learning • Write notes and reflections to look back on • Visualize your daily study time with graphs • Track cumulative hours by subject • Monitor your study streak (consecutive days) • Set daily goals and track progress ■ Deep RPG content • 11 dungeon areas to explore and unlock • 50+ equipment pieces with 5-level upgrade system • 12 recruitable companions (4 rarity tiers: Common → Mythic) • 6 job classes (Warrior, Mage, Healer, Thief, and more) • Skill tree customization • Craft equipment with rare materials ■ Stay motivated every day • Daily quests (3 per day) with rewards • Bonus EXP for study streaks • 100+ achievements to unlock • Village facility upgrades • Revenge challenges against tough bosses ■ More features • Fully offline — no internet needed • Save data stored securely on your device • Available in Japanese, English, and Chinese • Light & Dark theme support Perfect for students, exam preppers, language learners, and anyone who wants to build better study habits through gamification. Turn today's study session into tomorrow's strength. ■ Terms of Use / Auto-Renewing Subscriptions This app offers auto-renewing subscriptions (Premium Monthly / Premium Yearly). Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscriptions in your iPhone's "Settings > Apple ID > Subscriptions" at any time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hy218355-bit.github.io/studyquest-legal/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: 集中の木 at none against StudyQuest's 10. 集中の木 also leads on ads (none vs shown). On price, 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
Both are free to download. StudyQuest sells 10 in-app purchases, starting at $2.99 per month. 集中の木 asks for nothing beyond the download.
| Parameter | 集中の木 | StudyQuest |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | kizuna yoshihara | Yusuke Tsukahara |
In-app purchases
集中の木
No in-app purchases
StudyQuest
- Premium Monthly1 Month trial$2.991 Month
- Premium Yearly$24.991 Year
- First-Time Gold Pack$1.99
- 300 Gold$1.99
- 650 Gold$3.99
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- Starter Pack$5.99
- 1,500 Gold$6.99
- 3,800 Gold$17.99
- 6,800 Gold$29.99
- 15,000 Gold$59.99









