Period Tracker vs マイ周期カレンダー
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Period Tracker
Track your menstrual cycle, predict ovulation, and log symptoms. Gain insights into your cycle's impact on mood and fertility. Offers a calendar view and home screen widget for easy access to your data.
- Period and ovulation prediction
- Symptom logging
- Calendar view
- Home screen widget
- Fertility tracking
- Cycle insights
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Features • View your current period dates, ovulation and fertile days • Forecast your ovulation and upcoming period with smart predictions • Review past periods to get a better understanding of your cycle • Calendar view shows monthly data • View health data in beautiful charts • Fast logging at any time of the day or night • Take daily notes of menstrual symptoms including flow, body aches, mood, etc • Add a widget to home screen to see the current cycle • Increase your chances of pregnancy and improve fertility • Learn how your cycle affects your mood Review from users "Great app, accurate menstruation and safe period predictions!" "Easy to keep track of periods, no clutter of promotional information, meets my requirements." "Useful for those who are preparing for pregnancy to keep track of various cycles and symptoms." Tips Health data is for informational purposes only and is not intended for self-diagnosis or other medical purposes. Period data is only stored in phone storage, we never collect your personal data or share your information with third parties. Terms of Service: https://www.deebex.com/period/terms.html Privacy Policy: https://www.deebex.com/period/privacy.html
マイ周期カレンダー
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生理周期の管理を、もっとシンプルに。 マイ周期カレンダーは、生理周期の記録とカレンダー表示を行う健康管理アプリです。開始日と終了日を記録するだけで、周期をカレンダー上にわかりやすく表示。次回の予測日も自動で計算されるので、日々の予定管理に役立ちます。 【主な機能】 ・生理開始日・終了日をかんたん記録 ・カレンダー表示で周期を一目で確認 ・次回生理日の予測機能 ・シンプルで直感的なデザイン ・データはデバイス内に安全に保存 余計な機能を省いた、使いやすさ重視の設計です。複雑な操作は不要で、毎月の記録を手軽に続けられます。自分のカラダのリズムを知ることで、より快適な毎日を過ごしましょう。プライバシーに配慮し、データはお使いの端末内にのみ保存されます。
Screenshots
Verdict
The clearest difference is in-app purchases: マイ周期カレンダー at none against Period Tracker's 1. マイ周期カレンダー also leads on update cadence (every 10 days vs every 6 weeks). On price, ads, 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. Period Tracker sells 1 in-app purchase, starting at $14.99 per year. マイ周期カレンダー asks for nothing beyond the download.
Period Tracker ships an update every 6 weeks, マイ周期カレンダー every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Period Tracker | マイ周期カレンダー |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (14 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Deebex Tech Ltd. | SANWA Inc. |
In-app purchases
Period Tracker
- Premium Annual$14.991 Year
マイ周期カレンダー
No in-app purchases









