学校のチャイム vs Study Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
学校のチャイム
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◆アプリの使い方は超簡単!◆ ①「学校のチャイム」アプリを開きます。 ② 時間割を設定します。(初期設定は50分1コマとなっています。) ③ 各時限の開始時間と終了時間にチャイムが鳴ります。(バックグラウンドにしていても毎日鳴らすことができます。) ◆こだわりポイント◆ マナーモード設定時もチャイム音だけ特別に鳴らしたい方は別途、アプリ内で設定することができます。 (本アプリを立ち上げたまま学習頂ければ、マナーモード設定時でもチャイム音を鳴らすことができます。) ◆今後の予定◆ 適宜、機能を追加して参ります。 レビューに温かい応援メッセージよろしくお願いいたします!
Study Timer
Enhance your study habits and achieve deep focus with a powerful tracker and timer. Utilize the Pomodoro Technique, calming sounds, and automatic logging to stay motivated and productive. Ideal for students, professionals, and individuals managing ADHD.
- Pomodoro Focus Timer
- Automatic Study Tracker
- Natural Sounds & Lo-Fi BGM
- Study Calendar & Graph View
- Exam Countdown
- Distraction-Free UI
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Build real study habits and achieve focus that lasts. Struggling to focus or stay productive? Study Timer: Focus & Pomodoro is your powerful study tracker and focus timer for students, professionals, and anyone managing ADHD. Turn short focus sessions into lasting results with the proven Pomodoro Technique, calming natural sounds, and automatic study logs. Whether you're preparing for big exams, daily reading, or professional certifications, this app keeps you focused, motivated, and on track. ◆ Why Study Timer Works • Deep Focus × Study Habits × Automatic Tracking • Helps create consistent study habits through 25-minute focus bursts • Combines natural sounds with Lo-Fi BGM to block distractions • Tracks study time automatically — no manual effort needed • Perfect for users with ADHD who want structure and clarity No signup. No clutter. Just a focus timer built for real progress. ◆ Core Features (Free) • Pomodoro Focus Timer — 25/5 sessions, auto start/stop • Study Tracker — Your sessions logged automatically • Natural Sounds + Lo-Fi BGM — 7 options • Study Calendar — Daily records + graph view • Exam Countdown — Days left visualized • No Account — Start instantly, anytime → One app for deep focus, study habits, and productivity. No switching. No distractions. ◆ Premium Features (Optional) For users who want more control, deeper insights, and zero distractions: • No Ads — Stay focused, always • Custom Focus Timer — Adjust your focus duration • BGM Volume Control — Balance BGM and nature sounds • Advanced Stats & Charts — Visualize your progress in detail • Family Sharing — Share your plan at no extra cost ▶ Choose One-time Purchase or Subscription ▶ Yearly Plan includes a 7-day free trial ◆ What Users Are Saying Users say things like: “My motivation goes up when I check my logs.” “Two hours flew by—I stayed focused the whole time.” “This app helped me build a habit and pass my exam!” “It’s perfect for keeping my ADHD in check and tracking my study habits.” ◆ Best For... • High school / college students, exam takers, ADHD learners • Habit-builders who want a simple study tracker • Anyone seeking deep focus and fewer distractions • Users aiming to boost productivity and track real results ◆ Why Study Timer Works • Clean, distraction-free UI • Study time tracked automatically — no manual input • Visual feedback helps build consistency → Focus × Study Habits × Visualization = Real Results ◆ Focus BGM Options • Waves + Music Box • Rain + Music Box • Campfire + Guitar • River Stream + 528Hz • Cafe + Jazz • Writing + Lo-Fi • Underwater + Music Box • BGM OFF — Pure silence Perfect for reading, writing, and quiet work. ◆ How to Start 1. Set your durations 2. Tap [Start] 3. Study with focus — your study tracker logs it all automatically. Start with just one session. Build deep focus. Track progress. Create study habits that last. ▶ Free to use — lightweight, fast, no login required ▶ Optional upgrade: ad-free experience available Privacy Policy: http://thomsons.jp/sp/privacypolicy.htm Terms of Use: http://thomsons.jp/sp/pomodoro_terms.htm
Screenshots
Verdict
The clearest difference is review sentiment: Study Timer at 85% against 学校のチャイム's 32%. Study Timer also leads on rating (4.8 vs 3.8). 学校のチャイム's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume and device support 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. Study Timer sells 5 in-app purchases, starting at $5.99 per year. 学校のチャイム asks for nothing beyond the download.
Study Timer holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 11 and 13 respectively. Written reviews point the same way: 32% of 学校のチャイム's written reviews are positive against 85% of Study Timer's.
学校のチャイム ships an update every 3 days, Study Timer every 2 months. Both last shipped on September 28, 2026.
| Parameter | 学校のチャイム | Study Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (11 ratings) | 4.8 (13 ratings) — better |
| Positive reviews | 32.0% of reviews | 84.6% of reviews — better |
| Number of ratings | 11 | 13 — better |
| Update frequency | Every 3 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 31 MB | 478 MB |
| Age rating | 4+ | 4+ |
| Developer | Lisfee, Inc. | THOMSON Inc. |
Customer experience
学校のチャイム
Study Timer
In-app purchases
学校のチャイム
No in-app purchases
Study Timer
- Premium (annual)$5.991 Year
- Premium (3-Month)$7.993 Months
- Premium (Yearly)7 Days trial$15.991 Year
- Premium (lifetime)$9.99
- Premium (Lifetime)$29.99









