Study Timer vs 放射線主任1種
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
放射線主任1種
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放射線取扱主任者第一種試験合格を目指す方のための本格的な問題集アプリです。全400問を体系的に収録し、スマートフォンでいつでもどこでも学習できます。 【充実の問題数】 試験範囲を網羅した400問を5章で体系的に収録。放射線物理学、放射線化学・生物学、放射性同位元素・放射線発生装置、放射線測定技術、放射線障害防止に関する法令まで完全カバー。 【4択クイズ形式】 本試験形式の選択式(ア〜エ)で出題。回答後すぐに正解と詳しい解説が表示されます。 【復習モード】間違えた問題を自動抽出。【ブックマーク】重要な問題を後で確認。【学習統計】分野別正答率を可視化。【オフライン対応】全データ内蔵。 放射線取扱主任者第一種試験の合格を目指すすべての方にぜひご活用ください。
Screenshots
Verdict
The clearest difference is in-app purchases: 放射線主任1種 at none against Study Timer's 5. 放射線主任1種 also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). On 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
Study Timer ships an update every 2 months, 放射線主任1種 monthly. The most recent releases landed on October 15, 2026 and September 11, 2026 respectively.
| Parameter | Study Timer | 放射線主任1種 |
|---|---|---|
| Price | Free — better | — |
| Rating | 4.8 (13 ratings) — better | — |
| Positive reviews | 84.6% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 478 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | THOMSON Inc. | satoshi yoshida |
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
放射線主任1種
No in-app purchases
Questions
Is Study Timer free?
Is 放射線主任1種 free?
Do Study Timer or 放射線主任1種 have ads?
Which is updated more often, Study Timer or 放射線主任1種?
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