Comparison

yoursleep vs MomoCalendar

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

Head to head
About

yoursleep

Features
Read full description

Track your sleep and caffeine intake, and develop your sleep quality. 1. Sleep Analysis Check your sleep quality. We record and analyze it for you. 2. Caffeine Log How much caffeine did you consume the day before you slept? 3. Sleep Community Share your information with others in the sleep community. 4. Dream Diary & AI Analysis Record it before your memory fades. AI will interpret the subconscious meaning of your dreams. β€’ Monthly Subscription Details This app is a free service that includes advertisements. A monthly subscription removes all in-app ads. You can manage and cancel your subscription in your App Store Account Settings after purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. EULA : http://www.apple.com/legal/itunes/appstore/dev/stdeula Privacy Policy : https://diligent-moon-f09.notion.site/yoursleep-Privacy-Policy-349f95bbfac18070a519f320fbfe3209?source=copy_link

About

MomoCalendar

This app simplifies cycle tracking by auto-predicting your next period, fertile window, and ovulation day. Log symptoms, mood, and contraception privately within a beautiful calendar interface. It offers smart predictions, daily logging, and secure data management.

Highlights
  • Smart period and ovulation predictions
  • Daily logging of flow, pain, mood, and symptoms
  • Contraceptive and intimate relations tracking
  • Calendar view with statistics and patterns
  • PIN-protected app lock for privacy
  • Reminders for period, ovulation, and daily logs
Features
Read full description

Never wonder when your next period is coming again. MomoCalendar is the simplest cycle tracker. Log your last period start date once, and the app auto-predicts your next period, fertile window, and ovulation day. Track flow, pain, mood, contraception, and intimate relations privately β€” all in one beautiful calendar. [ Key Features ] β–Ά Smart Predictions β€’ Auto-predict next period, fertile window, ovulation day β€’ Personalized average cycle / period length (fully customizable) β€’ Toggle fertile window display ON / OFF β–Ά Daily Logging β€’ Flow level (none, light, normal, heavy) β€’ Pain score 0–10 β€’ Multi-select symptoms (headache, cramps, bloating, acne, and more) β€’ Mood (good, calm, sensitive, sad, anxious) β€’ Free-form memo β–Ά Pill & Relations β€’ Separate logs for oral contraceptive + emergency contraception β€’ Private log for protected / unprotected relations β–Ά Calendar + Statistics β€’ Beautiful month view at a glance β€’ Visualize symptom, mood, pill, and relation patterns over time β€’ Track average cycle length + prediction accuracy β–Ά Reminders & Security β€’ Period start, ovulation day, and daily log reminders β€’ PIN-protected app lock β€” no one can open it without your code β€’ Light / dark theme + Korean / English UI [ Made For You If ] β€’ Your cycle is irregular and predictions matter β€’ You're using natural family planning or trying to conceive β€’ You keep forgetting your daily pill β€’ You want to see symptom + mood patterns in real data β€’ You're tired of ad-stuffed, feature-bloated trackers [ Privacy First ] β€’ Your data is encrypted in transit and tied to your account only β€’ No third-party sharing beyond ad personalization β€’ Full data deletion on account removal (server + device) β€’ PIN lock keeps your data safe even if your phone is lost [ Account & Sync ] β€’ Sign in with Google, Apple, or Email β€’ Auto-sync across device changes or reinstalls [ Contact ] β€’ Feedback: siwooeo@gmail.com β€’ Website: https://www.reactiveworks.dev MomoCalendar is not a substitute for medical diagnosis or treatment. Always consult a qualified OB/GYN for any concerning symptoms.

Screenshots

yoursleep4 screens
MomoCalendar4 screens

Verdict

The call

The clearest difference is in-app purchases: MomoCalendar at none against yoursleep's 1. yoursleep's advantage is ads (none vs shown) and update cadence (fortnightly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. yoursleep sells 1 in-app purchase, starting at $1.99 per month. MomoCalendar asks for nothing beyond the download.

UpkeepUpdate frequency

yoursleep ships an update fortnightly, MomoCalendar every 6 weeks. Both last shipped on November 5, 2026.

Scorecard3 real differences Β· 5 level
yoursleep versus MomoCalendar: the parameters behind the verdict, then further details
ParameteryoursleepMomoCalendar
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyFortnightly β€” betterEvery 6 weeks
AdsNo β€” betterYes
In-app purchasesYesNo β€” better
Monetizationβ€”Ad-supported
DevicesiPhone, Apple WatchiPhone, iPad, iPod β€” better
Requires iOS16.215.0 β€” better
Further details β€” not scored
Size59 MB38 MB
Age rating4+4+
DeveloperSangmin LeeSiU Ahn

In-app purchases

1 purchases

yoursleep

Subscriptions1
  • yoursleep premium(1 month)$1.991 Month
None

MomoCalendar

No in-app purchases

Questions

Is yoursleep free?
yoursleep is free to download, with in-app purchases available.
Is MomoCalendar free?
MomoCalendar is free to download, with no in-app purchases.
Do yoursleep or MomoCalendar have ads?
MomoCalendar shows ads; yoursleep does not.
Which is updated more often, yoursleep or MomoCalendar?
yoursleep ships an update fortnightly, and MomoCalendar every 6 weeks. Most recently, yoursleep was updated on November 5, 2026 and MomoCalendar on November 5, 2026.

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