Comparison

Well Within App vs Yorisou

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

Head to head
About

Well Within App

This app provides structured charting of daily observations to offer clear insights into your menstrual cycle. It uses a rules-based interpretation of your data to help you understand your current phase and recognize long-term patterns. Your data is kept private and can be exported for personal records or sharing.

Highlights
  • Structured observation charting
  • Rules-based cycle interpretation
  • Pattern recognition and trend analysis
  • Private data storage
  • Chart export functionality
  • Creighton-style principles
Features
Read full description

Well Within turns daily cycle observations into a calm, readable chart you can review over time. Record bleeding and one or more sensation, appearance, and mucus observations for a day; revisit completed cycles; and export your chart when you choose. Your chart is stored on your device by default, with optional account-backed cloud backup when you choose it. CHART ONE DAY AT A TIME Record bleeding, sensation, appearance, and mucus observations in a calm daily flow. When you notice more than one mucus observation in a day, keep each one in the daily record while the chart consistently uses the strongest complete observation for that date. KEEP YOUR CYCLE DATES CLEAR Start charting even if earlier period dates are missing. Review or correct a known or approximate period-start date in Cycle info while keeping the daily observations you recorded. SEE WHAT YOUR CHART SUPPORTS Your calendar distinguishes daily observations, a possible Peak Day, and a Peak Day marked after three consecutive qualifying follow-up days. When missing observations prevent confirmation, the summary names those dates. Calendar, Cycle History and Cycle Detail update when you save or edit an entry. LEARN AS YOUR CHART GROWS Optional chart tips explain saved observations, Peak-type signs and P+ markers. Explore Resources guides on cycle observations, health questions, care, relationships and support, with source links and practitioner directories. Optional Catholic prayers and reflections remain separate from chart interpretation. LOOK BACK AT COMPLETED CYCLES When observations support it, review cycle length, the Peak Day marker, recorded patterns and days from Peak to the next cycle. Completed-chart comparisons describe your chart history; they do not predict future ovulation or fertile-window dates. EXPORT ON YOUR TERMS Create a PDF for your records or to share with a qualified practitioner or educator you choose. Choose whether to include notes or intercourse markers. CHOOSE WHETHER TO ADD BACKUP An account is optional. If you enable cloud backup, you can back up and restore your chart across supported devices and use the in-app controls to delete backed-up chart data or the account. Well Within is an educational charting and record-keeping tool. It does not diagnose, treat, confirm ovulation, or replace individualized instruction or medical care. Pattern interpretation does not currently account for postpartum or breastfeeding, perimenopause, recent hormones or relevant medications, persistent discharge, or other alternate patterns.

About

Yorisou

Features
Read full description

Yorisou helps couples share cycle and mood context gently on one iPhone. WHAT YOU CAN DO - Record mood, symptoms, and cycle phase in a few taps - See period, follicular, ovulation, luteal, and PMS phases on a calendar - Show a partner only today's support hints, while symptoms, mood, notes, and history stay private - Switch between self and partner roles on one iPhone - Explore 24 gentle support hints across six cycle states PRO FEATURES - View cycle, mood, and symptom history without a time limit - Browse the full calendar history - See all four support hints for the current cycle state - Your data stays on your device; no account or external transmission is required PRICING - Weekly ¥250/week, with a 3-day free trial for eligible users - Yearly ¥4,800/year - Auto-renewing subscriptions; cancel at least 24 hours before period end - Manage or cancel in Settings > Apple ID > Subscriptions Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://starcrown.co.jp/privacy Support: https://starcrown.co.jp/support

Screenshots

Well Within App4 screens
Yorisou4 screens

Verdict

The call

The clearest difference is in-app purchases: Well Within App at none against Yorisou's 2. Well Within App also leads on iOS requirement (15.1 vs 17.0). Yorisou's advantage is update cadence (every 6 days vs every 2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Yorisou sells 2 in-app purchases, starting at $1.99 per 7 days. Well Within App asks for nothing beyond the download.

UpkeepUpdate frequency

Well Within App ships an update every 2 months, Yorisou every 6 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 6 level
Well Within App versus Yorisou: the parameters behind the verdict, then further details
ParameterWell Within AppYorisou
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size28 MB10 MB
Age rating4+4+
DeveloperJim AugustynStarcrown Inc

In-app purchases

None

Well Within App

No in-app purchases

2 purchases

Yorisou

Subscriptions2
  • Weekly Pro3 Days trial$1.997 Days
  • Yearly Pro$29.991 Year

Questions

Is Well Within App free?
Well Within App is free to download, with no in-app purchases.
Is Yorisou free?
Yorisou is free to download, with in-app purchases available.
Do Well Within App or Yorisou have ads?
Neither Well Within App nor Yorisou shows ads.
Which is updated more often, Well Within App or Yorisou?
Well Within App ships an update every 2 months, and Yorisou every 6 days. Most recently, Well Within App was updated on October 24, 2026 and Yorisou on October 6, 2026.

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