Comparison

PairCare Shared Period Tracker vs WithCare

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PairCare Shared Period Tracker

This app helps users track their menstrual cycles, predict ovulation, and share health insights with a partner. It offers personalized advice and self-care tips based on cycle phases, supporting users through fertility, conception, and pregnancy.

Highlights
  • AI-powered cycle and ovulation predictions
  • Personalized reminders for cycle phases
  • Shared health insights with partners
  • TTC and pregnancy tracking modes
  • Daily advice and self-care tips
  • Symptom and mood logging
  • Cycle trend analysis
Features
Read full description

Trusted by over 1 million users in Japan,
PairCare is a period and health tracking app designed to help you understand your menstrual cycle — and share that understanding with your partner. PairCare helps you track your cycle, predict upcoming periods and ovulation, identify fertile windows, and stay connected through shared schedules and health insights. Whether you’re managing your cycle, preparing for pregnancy, trying to conceive, or navigating pregnancy, PairCare supports you through every stage of your journey. Why Choose PairCare? • Track your menstrual cycle with AI-powered predictions for upcoming periods and ovulation. • Receive gentle reminders before your expected period and key cycle phases. • Share your cycle, schedule, and health status with your partner, family member, or someone you trust.
 • Connect accounts in just three simple steps and choose what information to share.
 • Make planning, communication, and TTC more collaborative by keeping partners informed and involved. • Switch seamlessly between three modes: period & health tracking, trying to conceive, and pregnancy tracking. • Continue using PairCare as your needs and life stage change. • Receive daily advice and self-care tips tailored to your current cycle phase. • Insights update every day based on your cycle. • Easily log physical symptoms such as cramps or headaches, as well as emotional states like irritability or low mood. • View recurring symptoms, moods, and cycle trends to better understand your body over time. • Use insights to prepare for certain phases, plan rest or time off, and support conversations with healthcare providers. How PairCare works 1. Enter your last period date and typical cycle length 2. PairCare predicts your next period and ovulation 3. Receive reminders as your next period approaches PairCare is recommended for people who want to: • Know their upcoming period or ovulation timing • Track and analyze physical and emotional symptoms • Receive cycle-based insights and guidance • Share schedules and health information with a partner • Help their partner better understand menstruation • Navigate TTC or pregnancy together as a couple Enjoy more features with PairCare Premium • Advanced symptom and mood analysis with personalized insights • Cycle length and period duration analysis • Fertile timing insights • Increased notification options • Partner notifications after health logs • Flexible sharing controls for partner visibility • Weight and basal body temperature charts • Google Calendar integration • Ad-free experience • Access to full cycle history • Photo logging for personal records Please note: PairCare does not provide medical diagnosis or treatment.
Predictions and insights are for informational purposes only and are not a substitute for professional medical advice.
Always consult a qualified healthcare provider for any health concerns or decisions. Privacy Policy: https://paircare.jp/document/privacy/en/ Contact: info@paircare.jp

About

WithCare

Read full description

WithCare is a gentle way for couples to share periods, cycles and how you’re feeling day to day. • See your period days and cycle predictions on a calendar • Log your mood, symptoms, basal body temperature and notes • Automatically add the local air pressure to your entry, so you can look back on how weather changes affect you • Connect with your partner using an invite code • Your partner sees what you share and gets simple tips for being there for you • Send a quick reaction – like “Seen it” or “You okay?” – to each shared entry • Share experiences and tips in an anonymous community You decide what to log and share. On days when it’s hard to put things into words, WithCare helps you two stay close and feel a little more cozy. WithCare’s predictions and information are not intended to diagnose or treat any medical condition. If you’re worried about your health, please talk to a doctor. ■ Supporter Plan (auto-renewing subscription) WithCare is free for the person who tracks their cycle. Supporters can subscribe to the monthly Supporter Plan to see their partner’s cycle and daily check-ins. The price is shown in the app before you subscribe. • Payment is charged to your Apple Account when you confirm your purchase • The subscription renews automatically at the same price unless auto-renew is turned off at least 24 hours before the end of the current period • You can cancel anytime in Settings > your name > Subscriptions Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ WithCare Terms: https://taro1025.github.io/withcare-support/terms.html Privacy Policy: https://taro1025.github.io/withcare-support/privacy.html

Screenshots

PairCare Shared Period Tracker4 screens
WithCare4 screens

Verdict

The call

The clearest difference is ads: WithCare at none against PairCare Shared Period Tracker's shown. WithCare also leads on update cadence (every 3 days vs fortnightly). PairCare Shared Period Tracker's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PairCare Shared Period Tracker sells 10 in-app purchases, starting at $5.99 per month and WithCare sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PairCare Shared Period Tracker ships an update fortnightly, WithCare every 3 days. Both last shipped on October 21, 2026.

Scorecard3 real differences · 7 level
PairCare Shared Period Tracker versus WithCare: the parameters behind the verdict, then further details
ParameterPairCare Shared Period TrackerWithCare
PriceFreeFree
Rating4.7 (13 ratings) — better—
Positive reviews18.2% of reviews—
Number of ratings13 — better—
Update frequencyFortnightlyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size115 MB28 MB
Age rating4+4+
DeveloperEntale, Inc.Rintaro Sakino

In-app purchases

10 purchases

PairCare Shared Period Tracker

Subscriptions10
  • Pill Plan 1-Mo Sub$5.991 Month
  • PairCare Prem 1-Mo Sub$9.991 Month
  • Pill Plan 6-Mo Sub$17.996 Months
Show 7 more
  • PairCare Prem 3-Mo Sub$19.993 Months
  • PairCare Prem 3-Mo Sub (1 Mo Free)1 Month trial$19.993 Months
  • Pill Plan 12-Mo Sub$23.991 Year
  • PairCare Prem 12-Mo Sub$27.991 Year
  • PairCare Prem 12-Mo Sub (1 Mo Free)1 Month trial$27.991 Year
  • PairCare Prem 12-Mo Sub (1 Mo Free)1 Month trial$39.991 Year
  • PairCare Prem 12-Mo Sub$39.991 Year
1 purchases

WithCare

Subscriptions1
  • WithCare Pro$3.991 Month

Questions

Is PairCare Shared Period Tracker free?
PairCare Shared Period Tracker is free to download, with in-app purchases available.
Is WithCare free?
WithCare is free to download, with in-app purchases available.
Do PairCare Shared Period Tracker or WithCare have ads?
PairCare Shared Period Tracker shows ads; WithCare does not.
Which is updated more often, PairCare Shared Period Tracker or WithCare?
PairCare Shared Period Tracker ships an update fortnightly, and WithCare every 3 days. Most recently, PairCare Shared Period Tracker was updated on October 21, 2026 and WithCare on October 21, 2026.

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