Sleep Note vs Period Log Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Note
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シンプルな睡眠記録アプリ「Sleep Note」 毎朝の睡眠を簡単に記録するだけ。 睡眠時間や質の傾向がひと目でわかるから、より良い睡眠習慣を目指せます。 【主な機能】 ・夜間睡眠の記録(睡眠時間・質・中途覚醒) ・昼寝の記録 ・週間・月間の睡眠グラフ ・目標睡眠時間の設定 ・リマインダー通知 【こんな方におすすめ】 ・睡眠の記録を習慣化したい方 ・自分の睡眠パターンを把握したい方 ・シンプルに睡眠を管理したい方 余計な機能は一切なし。 シンプルだから続けられる、新しい睡眠記録アプリです。
Period Log Tracker
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Track your menstrual cycle with a simple and private period tracker designed to help you stay informed about your body. Period Log Tracker helps you record periods, predict upcoming cycles, estimate ovulation dates, and identify fertile windows. Whether you're monitoring cycle patterns, planning ahead, or simply keeping a personal health record, the app provides clear insights in an easy-to-use calendar. FEATURES • Log period start and end dates • Track menstrual cycle history • Predict upcoming periods • Estimate ovulation dates • Monitor fertile windows • View cycle details in a calendar • Track average cycle and period length • Receive period reminders • Receive ovulation reminders • Customize cycle and period settings • Choose light mode, dark mode, or system appearance • Export data to CSV (Premium) • Access advanced cycle statistics (Premium) • Remove ads with Premium Lifetime ADVANCED STATISTICS Premium users can unlock additional insights, including: • Average cycle length • Average period length • Shortest and longest cycles • Cycle regularity insights • Cycle trend tracking PRIVATE BY DESIGN Your data stays on your device and is never shared or sold. No account creation is required. PREMIUM LIFETIME Unlock Premium with a one-time purchase: • Remove Ads • Export Data (CSV) • Advanced Statistics No subscriptions. No recurring charges. Whether you are tracking periods, monitoring fertility, or simply maintaining a personal cycle calendar, Period Log Calendar provides an easy and reliable way to stay informed. Download today and start tracking your cycle with confidence. Disclaimer: Period and ovulation predictions are estimates based on user-provided information and should not be used as a substitute for professional medical advice, diagnosis, or treatment.
Screenshots
Verdict
The clearest difference is in-app purchases: Sleep Note at none against Period Log Tracker's 1. Sleep Note also leads on iOS requirement (15.1 vs 17.6). On price, ads 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. Period Log Tracker sells 1 one-off in-app purchase. Sleep Note asks for nothing beyond the download.
| Parameter | Sleep Note | Period Log Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | — |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 38 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Kengo Kanehiro | Do Tri |
In-app purchases
Sleep Note
No in-app purchases
Period Log Tracker
- Remove Ads$4.99









