Harmony vs Period Log .
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Harmony
This app helps you understand and align your daily life with your menstrual cycle. It offers personalized guidance on nutrition, movement, and mindset, along with smart tracking and daily insights. Connect with a partner for better support and enjoy a privacy-focused experience.
- Cycle syncing guidance
- Smart cycle tracking
- Daily insights and rituals
- AI lifestyle assistant
- Partner connection
- Privacy-focused data
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More than a period tracker. Harmony helps you sync your lifestyle with your cycle. Your energy, meals, movement, and mindset, all in one place. Your body follows a unique rhythm that shapes how you feel, move, and think. Harmony helps you understand it and work with it, not against it. Most cycle apps track your period. Harmony helps you live better because of it. What Harmony offers: - Cycle Syncing Guidance Personalized tips for each phase of your cycle. What to eat, how to move, and how to recharge based on where you are right now. - Smart Cycle Tracking Log your period, symptoms, and mood. Get a clear view of your current phase and what's coming next. - Daily Insights & Rituals Meditations, journaling prompts, and mindset tips aligned with your natural rhythm. - AI Lifestyle Assistant Friendly, personalized guidance to help you stay organized and in tune with yourself every day. - Harmony Together Connect with your partner so they can better understand and support your cycle. - Your data stays yours. Built with privacy at its core. We never sell your data. Ever. Harmony is a lifestyle and wellness tool. It does not provide medical advice or diagnoses. Start with a free trial and find your rhythm. Web: https://harmony-cycle.app Terms of Use: https://legal.rocapine.com/terms Privacy Policy: https://legal.rocapine.com/privacy
Period Log .
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【Period Diary】 is a privacy-first period and fertility tracker that helps you understand your cycle with smart insights and a beautiful dark-themed dashboard. **Cycle Tracking** Log your periods easily and view your cycle history on a clean, intuitive interface designed for quick daily use. **Fertility Awareness** Track fertility signs and receive predictions for fertile windows based on your logged cycle data. **Smart Insights** Get personalized insights about your cycle patterns, with predictions that become more accurate as you log more data. **Dark-Themed Dashboard** Enjoy a beautiful dark-themed dashboard that reduces eye strain and looks elegant in any lighting environment. **Privacy First** All your data stays on your device. No accounts, no cloud sync, no data collection—your health information remains completely private. Period Diary keeps your cycle data secure and accessible whenever you need it. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fckuiyeew.xyz/jingqiriji/privacy.html
Screenshots
Verdict
The clearest difference is ads: Period Log . at none against Harmony's shown. On price, in-app purchases, 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. Harmony sells 9 in-app purchases, starting at $4.99 per 7 days and Period Log . sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Harmony | Period Log . |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (10K ratings) — better | — |
| Positive reviews | 35.8% of reviews | — |
| Number of ratings | 10K — better | — |
| Update frequency | Every 6 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 181 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Rocapine | HONGKONG BANCHUAN CATERING CHAIN MANAGEMENT CO., LIMITED |
Bugs and requests
Harmony
Reported bugs
2 issues- Calendar issues with incorrect period dates
- Inability to select accurate period dates
Requested features
3 requests- More community features
- Longer meditation exercises
- Additional recipes and meal plans
Period Log .
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Harmony
- Premium Subscription$4.997 Days
- Harmony Monthly Plan$9.991 Month
- Monthly Subscription$14.991 Month
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- Harmony Premium Pan$14.991 Month
- Harmony Yearly Plan7 Days trial$34.991 Year
- Yearly Premium1 Year trial$34.991 Year
- Harmony Premium7 Days trial$39.993 Months
- Yearly Subscription7 Days trial2 variants$49.991 Year
- Yearly Subscription7 Days trial$59.991 Year
Period Log .
- Weekly Advantage3 Days trial$4.997 Days
- Yearly Advantage$39.991 Year









