Period tracker, calendar vs Deuce Plus One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Period tracker, calendar
This app helps you track your menstrual cycle, predict periods and ovulation, and plan for pregnancy. It offers customizable reminders, a detailed calendar, and statistics to monitor your cycle health. It also includes a pregnancy mode to estimate due dates and track weeks of gestation.
- Accurate period and ovulation predictions
- Fertile and safe days calculator
- Calendar with symptoms and predictions
- Pregnancy planning mode
- Period and ovulation reminders
- Birth control reminders
- Pregnancy mode with due date estimation
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Period tracker, calendar is a convenient, easy and user-friendly app for control over menstrual cycles Main features: - Accurate predictions of period and ovulation, - Fertile (with high chance of pregnancy) and safe days calculator, - Convenient calendar with symptoms and period predictions, - Easy switching between cycle tracking and pregnancy planning modes based on your current needs, - Pregnancy planning mode with percentage probabilities of pregnancy, - Illustrative statistics for past period cycles, - Period, ovulation reminders, - Reminders for different types of birth control, - Pregnancy mode, - Helpful information and answers to frequently asked questions (FAQ), - Choice of theme colors, - Password personal data protection, - Data recovery on new device Period tracker will help you track your menstrual cycle, calculate ovulation days and will highlight fertile and safe days in the calendar. Period predictions are automatically updating based on data you enter providing high accuracy of period predictions even for women with irregular cycles. Intuitive and uncluttered interface lets you enter necessary data quickly and easily adjust the app as you see fit. All you have to do is answer a few short questions, and Period tracker will take care of the rest: it will make accurate predictions of period, calculate days of ovulation, highlight fertile and safe days with different colors in the calendar. It has never been easier to log periods and add symptoms: just a few clicks, and all the information on your condition is saved in Period tracker. You can easily switch between cycle tracking and pregnancy planning modes to get the most relevant information. If you get pregnant you will find our Pregnancy mode very useful: the application will estimate your due date (EDD), will number weeks of pregnancy and will keep all the important information for you and your obstetrician-gynecologist. Period tracker will also remind you of menstruation start and end, ovulation days as well as will notify you in case your period is late. You can set reminders for chosen type of birth control and won’t have to worry about forgetting or getting confused: the app will automatically take into account necessary contraceptive pill-free periods, will remind you about vaginal ring, etc. You can use a convenient calendar with menstrual period days highlighted in different colors depending on the phase of cycle to plan your vacations and trips faster. To make control over cycles even easier Period tracker graphically shows cycles statistics, representing cycle length and period length for each month in charts. Period tracker has a neutral icon for home screen, provides you an opportunity to password protect your personal data to make sure that only you have full access to the app. And to make sure you do not lose any data after changing your device Period tracker has a data recovery option for registered users.
Deuce Plus One
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Deuce Plus One helps competitive tennis families stay organized, informed, and match-ready. Track players, follow tournament activity, review rankings, manage match rooms, and keep key tennis details in one clean mobile workspace. Built for players, parents, and coaches, Deuce Plus One brings the day-to-day tennis workflow together so you can spend less time switching between tools and more time focused on performance, preparation, and the next match. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Period tracker, calendar at none against Deuce Plus One's 1. Period tracker, calendar also leads on ratings volume (283 vs 1) and iOS requirement (11.2 vs 17.0). Deuce Plus One's advantage is ads (none vs shown) and rating (5.0 vs 4.5). On price 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. Deuce Plus One sells 1 in-app purchase, starting at $12.99 per month. Period tracker, calendar asks for nothing beyond the download.
Deuce Plus One holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Period tracker, calendar has 283 ratings behind it against 1, so its average is the more settled of the two.
Period tracker, calendar ships an update every 3 weeks, Deuce Plus One every 6 days. Both last shipped on October 24, 2026.
| Parameter | Period tracker, calendar | Deuce Plus One |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (283 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 58.8% of reviews | — |
| Number of ratings | 283 — better | 1 |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.2 — better | 17.0 |
| Further details — not scored | ||
| Size | 68 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Marina Berezina | HyprDev LLC |
In-app purchases
Period tracker, calendar
No in-app purchases
Deuce Plus One
- Deuce Plus One Pro!$12.991 Month
Questions
Is Period tracker, calendar free?
Is Deuce Plus One free?
Which has better reviews, Period tracker, calendar or Deuce Plus One?
Do Period tracker, calendar or Deuce Plus One have ads?
Which is updated more often, Period tracker, calendar or Deuce Plus One?
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