Cycles vs Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cycles
Track your menstrual cycle, fertility, and ovulation with ease. Log observations, predict fertile days, and manage irregular periods. Offers partner connection and detailed insights for better reproductive health management.
- Cycle tracking at a glance
- Log body and mood observations
- Fertile day predictions
- Irregular/missed period support
- Partner connect feature
- Customized reminders
- Detailed observation descriptions
Read full descriptionHide full description
No more surprises, worrying or feeling in the dark about your own reproductive health. As the first app to introduce partner connect, Cycles knows how to make the most out of period tracking. With a clean and simple interface you can keep track of your cycle effortlessly. WHY CYCLES? • Track your cycle in one glance with Cycle view. • Easily log observations on your body and mood. • Take the guesswork out of predicting your most fertile days. • Irregular or missed period? A single tap and Cycles has got your back. • With you wherever you go: for iPhone, iPad, and Apple Watch. TOTAL PRIVACY • Optional passcode or FaceID to protect your privacy. • Share your cycle info privately with your partner. • Your reminders and notes are always kept private, even from your partner. UPGRADE TO CYCLES PREMIUM • Get tailored predictions on upcoming changes to your body. • Connect with your partner to plan intimate moments, vacations and more around your cycle. • Set-up customized reminders for birth control, fertile days or periods. • Become a menstrual cycle expert with detailed descriptions for all observations. • Make Cycles your reliable health care partner with Insights Overview. Perfect for any doctors visit! When calculating fertility for pregnancy with natural family planning, Cycles takes advantage of scientific research that’s more accurate than the 'rhythm method' of yesteryear and has a real-world failure rate comparable to that of condoms. Even so, this app is designed for informational purposes only and should not be used to prevent pregnancy. If you choose to unlock Cycles Premium, your purchase will be charged to your iTunes account. Active subscriptions will be auto-renewed 24 hours before the expiry date. You can manage subscriptions from Account in iTunes after subscribing, you’ll also be able to cancel the auto-renewing subscription from there at any time. Any unused portion of the free trial period will be forfeited if you purchase a subscription to Cycles Premium before your trial expires. Optional permission requests: • Health app, to record your cycles and reproductive health data • Notifications, to remind you of the phases of your cycle Terms: https://cycles.app/terms-of-service
Flow
Read full descriptionHide full description
■ アプリでいつでも予約ができます。 希望のスケジュールを確認して、いつでもどこでも手軽にサロン予約。 ■ お得なクーポン アプリで使えるお得なクーポンがご利用頂けます。 ■マイページ機能 マイページでは、来店履歴や予約内容、Push通知の確認も行なえます。
Screenshots
Verdict
The clearest difference is in-app purchases: Flow at none against Cycles's 17. Flow also leads on iOS requirement (12.0 vs 17.0). Cycles's advantage is update cadence (every 6 days vs every 20 months). 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. Cycles sells 15 in-app purchases, starting at $4.99 per month. Flow asks for nothing beyond the download.
Cycles ships an update every 6 days, Flow every 20 months. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.
| Parameter | Cycles | Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (27K ratings) — better | — |
| Number of ratings | 27K — better | — |
| Update frequency | Every 6 days — better | Every 20 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 97 MB | 23 MB |
| Age rating | 9+ | 4+ |
| Developer | Perigee | ALLIED SYSTEM CO.,LTD. |
Bugs and requests
Cycles
Reported bugs
3 issues- Cycle data disappearing or resetting unexpectedly
- Syncing issues between devices and accounts
- Inaccurate cycle predictions and date adjustments
Requested features
5 requests- Add more symptom and mood options
- Improve cycle editing and data management
- Integrate with health apps for comprehensive tracking
- Provide more insights and predictions based on cycle data
- Allow customization of app appearance and notifications
Flow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cycles
- Cycles Premium7 Days trial$4.991 Month
- Period Calendar & Ovulation3 Months trial$6.991 Month
- Cycle Tracker Premium - Cycles7 Days trial$6.991 Month
Show 11 moreShow fewer
- Cycles: Period Calendar$6.991 Month
- Cycles: Period Calendar7 Days trial$6.991 Month
- Cycles Premium7 Days trial2 variants$9.991 Month
- Cycles: Period Calendar$9.991 Month
- Cycles Premium1 Month trial$29.991 Year
- Menstrual Cycle Tracker7 Days trial$29.991 Year
- Cycles Premium7 Days trial2 variants$39.991 Year
- Cycle Tracker & Calendar$39.991 Year
- Cycles: Period Tracker1 Year trial$39.991 Year
- Cycles Premium7 Days trial$59.991 Year
- Cycles: Cycle Tracker & Period$59.991 Year
- Cycles Pro$2.99
Flow
No in-app purchases
Questions
Is Cycles free?
Is Flow free?
Do Cycles or Flow have ads?
Which is updated more often, Cycles or Flow?
Other comparisons















