# DaysyDay Cycle, Period Tracker — Track your period & fertility > Menstrual cycle and fertility tracking companion app. (iPhone/iPad app by Valley Electronics.) - Source: https://appshunter.io/ios/app/daysyday-cycle-period-tracker/id1533071047 (this page in markdown: same URL + `.md`) - Developer: [Valley Electronics](https://appshunter.io/developer/811106694) - Category: Medical, Health & Fitness - Price: Free - Rating: 3.50/5 from 102 App Store ratings · 155 written reviews indexed - Age rating: 17+ - Requires: iOS 12.0 · 56 MB - Languages: American English, French (France), German (Germany), Italian, European Portuguese, European Spanish - Released: 2020-12-08 - Data updated: 2026-09-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/daysyday-cycle-period-tracker/id1533071047/reviews.md ## What is DaysyDay Cycle, Period Tracker? The companion app to the Daysy fertility tracker is designed with the feedback from our users and decades of experience in the fertility tracking market. Together, Daysy and DaysyDay provide you with the knowledge and tools needed to identify your fertile window and make informed and powerful choices about your menstrual cycle, fertility, and health. KEY FEATURES: Past, Present and Future The easy-to-read calendar and an uncluttered temperature curve make it easy to view your fertility status, ovulation, and menstruation for the past, for today, and what is predicted in the coming month. Identify Irregularities The temperature curve and easy-to-read average and individual cycle statistics can help you easily identify cycle irregularities and provide insights on how current events affect your overall cycle. Take Notes Daily data cards let you easily track additional cycle features. Track cervical mucus, intercourse, and your own notes about your fertility and cycle. Share Your Data Invite your partner to download the DaysyDay Partner app and then choose which data can be shared and viewed. Contact Our Expert Team Use the Contact Support feature in the Help menu to easily reach out to our expert team if you need advice and support. Our team is here to help you every step of your fertility tracking journey. ## Key features - Fertility status, ovulation, and menstruation prediction - Cycle irregularity identification - Daily data tracking (cervical mucus, intercourse, notes) - Partner data sharing - Expert support contact ## What do users think of DaysyDay Cycle, Period Tracker? Overall sentiment: neutral **Pros** - 💗 Excellent method - 🤩 Great investment - 👍 Easy to use - 🙌 Intuitive and user-friendly - 🔍 Helps understand cycles - 📊 Detailed data tracking - 🔄 Seamless sync with app **Cons** - 🔧 Synchronization issues - 🔌 Connectivity problems - 🔍 Limited tracking options - 🕰️ Inconvenient manual sync - 🤒 Inaccurate temperature readings - 🤷‍♀️ Unreliable predictions - 💸 Expensive for limited features **Commonly reported bugs** - App crashes frequently - Sync fails or gets interrupted - Calendar and data display issues - Compatibility problems with newer devices **Most requested features** - Add LH test tracking - Allow more historical period logging - Integrate with Apple Health - Provide more cycle insights and analysis - Improve UI and data visualization ## Recent user reviews (10 of 155) All indexed reviews: https://appshunter.io/ios/app/daysyday-cycle-period-tracker/id1533071047/reviews.md ### 1/5 — Tracker *2026-05-26, version 1.5.1* After using the daysy for over 3 years and a consistent cycle every month - though days do vary between 32 -35, it still cannot predict my ovulation until after my bleed happens. ### 4/5 — Great app and device, but lacks things other trackers have on the market *2026-05-06, version 1.5.1* This app is great and so is the device, but it really lacks insights and stats like other apps (Lively) have, even on their free plans. I’d appreciate more detailed insights and maybe a UI refresh? It’s sorta plain. ### 5/5 — Accurate *2026-03-29, version 1.5.1* Love this app! ### 1/5 — Easily breaks *2025-12-25, version 1.5.1* This is device is very expensive and yet the end of the temperature gage broke off so now this is useless to me as it won’t read a temp. I only had this a little over a year. ### 1/5 — Really not great for cycle tracking *2025-11-22* I’ve had this product for over a year now, and when you’re on top of it great. For real life and when you fall off and restart it’s really annoying as it doesn’t let you back date log periods to map out your cycle so far. Honestly really not happy with the product in general, it’s slow to read, app isn’t flexible for logging, and it’s pretty pricey for what it is. ### 1/5 — Not for perimenopause *2025-11-04, version 1.5.1* It’s been nearly 6 months and still has no clue about my cycle. I know myself better than this device. Has me fertile over 15 days. Prediction for period has not been correct. Don’t waste your money ### 2/5 — Hardly has the bare minimum *2025-10-29* Unfortunately the app has fewer features than any period tracking app. It would be amazing if it clearly outlined your pre ovulatory temp range, gave you the average and compared with your post ovulatory to see that shift and make sure your temp change is high enough to confirm ovulation/ tell the state of your hormonal health. Instead, you have to calculate the avg yourself and do the math. For the ammount of $ you pay, the app should offer a bit more. ### 5/5 — I love IT *2025-10-26, version 1.5.1* Es un método natural, que no va en contra de mis creencias y supremamente efectivo, para aplazar el tener un bebé o abrirse a la vida, es maravilloso, puedo además conocer mis ciclos u comportamiento hormonal ### 4/5 — Gute und übersichtliche App *2025-10-16, version 1.5.1* Liebes Produktteam, ich bin mit eurer App sehr zufrieden, hätte jedoch einen Verbesserungsvorschlag: in der Übersicht, wo man den Temperaturverlauf sieht als auch in der Tagesübersicht, werden mir Tag und Monat angezeigt, aber nicht das Jahr, in dem ich mich befinde. Ich habe mehrmals schon weiter zurück gescrollt und es ist sehr unübersichtlich zu sehen, in welchem Jahr man sich befindet. Es wäre toll, wenn ihr das ändern könntet. Danke und weiter so :) ### 1/5 — Dislike *2025-10-14, version 1.5.1* Honestly, for as much as it was this app is not super easy to use and sometimes does not log things even thought I logged it. Wish I would have returned it ## Frequently asked questions about DaysyDay Cycle, Period Tracker ### What does the DaysyDay app do? The DaysyDay app is a companion to the Daysy fertility tracker. It helps users understand their menstrual cycle, identify fertile windows, and track ovulation and menstruation predictions. It also allows for tracking additional cycle-related data and sharing it with a partner. ### What are the key features of the DaysyDay app? Key features include an easy-to-read calendar and temperature curve for viewing fertility status, ovulation, and menstruation for the past, present, and future. It also helps identify cycle irregularities, allows for daily data tracking, and enables sharing of data with a partner. ### Is the DaysyDay app free to use? Based on the provided information, the app is free to use. There are no mentions of in-app purchases or advertisements, suggesting a free monetization model. ### What kind of data can I track with the DaysyDay app? You can track daily data cards that allow you to log cervical mucus, intercourse, and your own personal notes about your fertility and cycle. This helps provide a more comprehensive view of your cycle. ### Can I share my data with my partner? Yes, you can invite your partner to download the DaysyDay Partner app. Once they have the app, you can choose which data you want to share and view with them, facilitating joint understanding of your cycle. ## Version history (last 5 releases) ### 1.5.5 — 2026-08-31 Thanks for using DaysyDay! In this version: - Fixed an issue that could cause the app to crash while completing a firmware update for your associated device. - Improved the app’s security configuration. - Updated regulatory representative information. - General bug fixes and stability improvements. Have questions or suggestions? Send us a message in the app (Settings -> Help). ### 1.5.4 — 2026-05-27 Thanks for using DaysyDay! In this version: - Added new Valley Electronics AG postal address - Minor improvements and bug fixes Have questions or suggestions? Send us a message in the app (Settings -> Help). ### 1.5.1 — 2023-10-10 Thanks for using DaysyDay! In this version: - Updated display of the daily data in the weekly view - Chart includes a new data matrix displaying menstrual flow, intercourse, and mucus (An initial step to expand tracking features) - A link to explanations of the cervical mucus types added to the Mucus card - Visit the settings menu for a direct link to rate the app (Ratings are greatly appreciated!) - A few additional bug fixes and stability improvements to enhance your experience. Have questions or suggestions? Send us a message in the app (Settings -> Help -> Contact support). We are constantly working to add new features and improve your overall app experience. ### 1.5.0 — 2023-04-24 Thanks for using DaysyDay! In this version: - New color legend for the fertility statuses - Refer a friend discount codes for applicable countries - A few additional bug fixes and stability improvements to enhance your experience. Have questions or suggestions? Send us a message in the app (Settings -> Help -> Contact support). We are constantly working to add new features and improve your overall app experience. ### 1.4.6 — 2023-02-01 Thanks for using DaysyDay! In this version: - A few small bug fixes and stability improvements to enhance your experience. Also included: - Text updates, including changing infertile to not fertile for a more accurate representation Have questions or suggestions? Send us a message in the app (Settings -> Help -> Contact support). We are constantly working to add new features and improve your overall app experience. ## Apps similar to DaysyDay Cycle, Period Tracker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Ovia Cycle & Pregnancy Tracker](https://appshunter.io/ios/app/ovia-cycle-and-pregnancy-tracker/id570244389) | 4.8 (89,962) | Free | Medical | | [Period Tracker. Cycle Calendar](https://appshunter.io/ios/app/period-tracker-cycle-calendar/id1095084063) | 4.5 (565) | Free | Medical | | [Menstrual Cycle Tracker](https://appshunter.io/ios/app/menstrual-cycle-tracker/id707430013) | 4.7 (2,565) | Free | Medical | | [Fertility & Period Tracker](https://appshunter.io/ios/app/fertility-and-period-tracker/id608066898) | 4.7 (1,700) | Free | Medical | | [Maybe Baby™ Fertility Tracker](https://appshunter.io/ios/app/maybe-baby-fertility-tracker/id349630670) | 4.7 (1,034) | $4.99 | Medical | | [Fertility & Period Tracker •](https://appshunter.io/ios/app/fertility-and-period-tracker/id961168994) | 4.6 (287) | Free | Medical | ## More apps by Valley Electronics - [DaysyDay Partner](https://appshunter.io/ios/app/daysyday-partner/id1533070954) - [Teena - Guide to Periods](https://appshunter.io/ios/app/teena-guide-to-periods/id1606027207) All apps by Valley Electronics: https://appshunter.io/developer/811106694 ## Related topics [daisy](https://appshunter.io/ios/topics/daisy) · [berry fertility tracker](https://appshunter.io/ios/topics/berry-fertility-tracker) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*