Comparison

Contraction Timer & Tracker vs MySOS

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

Head to head
About

Contraction Timer & Tracker

Effortlessly track labor contractions with this intuitive app. It automatically calculates duration, intervals, and frequency, providing visual history and intensity indicators. Includes a hospital bag checklist and pain relief exercises.

Highlights
  • One-tap start/stop contraction timing
  • Automatic duration, interval, and frequency calculation
  • Visual history with color-coded intensity
  • Hospital bag checklist
  • Pain-relieving exercise guide
  • Data saved even when app is closed
Features
Read full description

A reliable companion for every moment of labor. Designed with care for expecting mothers and birth partners, Contraction Timer & Tracker helps you track contractions effortlessly — so you can focus on staying calm and present. With just one tap, the app starts timing your contraction. Tap again to stop. That’s it — we take care of all the calculations for you: duration, intervals, frequency, and trends over time. No stress, no math — just peace of mind when you need it most. Everything you need in one place: • Apple Watch companion app • One-button start/stop for timing each contraction • Automatic calculation of duration, intervals, and frequency • Clear visual history of all contractions on one screen • Color-coded intensity indicators to see how things are progressing • Easy slider to record how strong each contraction feels • Add personal notes to any contraction for later reflection • Full-screen mode for easier use during labor • Edit or delete any contraction as needed • Saves your data even if you close or switch apps • A complete hospital bag checklist for both mom and baby • A helpful list of pain-relieving exercises, with instructions, to support you through contractions • Graphs and averages to help you identify patterns and decide when it’s time to go to the hospital or birthing center • Dark mode --------- Contraction Timer & Tracker Premium offers a subscription option: $19.99 per year. You can try free trial with all features available. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Your Contraction Timer & Tracker subscription will automatically renew at the end of each term and your credit card will be charged through your iTunes account unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period on the $1.99/week basis. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. By using Contraction Timer - Time labor, you are agreeing to our Privacy Policy and Terms of Use: Privacy Policy: https://goingmerry.xyz/privacy-policy/ Terms of Use: https://goingmerry.xyz/terms-conditions/

About

MySOS

This app helps you manage your health and connect with medical care by storing your family's health records. Track vital signs, symptoms, and medications, and easily share information with healthcare providers and family members. It also offers emergency resources like AED and medical facility locators.

Highlights
  • Record and manage vital signs
  • Track daily symptoms and medication
  • Register medication information with alerts
  • Integrate health data via Mynaportal
  • Share health records with family
  • Locate AEDs and medical facilities
  • Access emergency and first aid guides
Read full description

"MySOS" is an app that connects you and your family with medical care as you face health conditions and illnesses. By registering your own and your family’s health and medical records, it can facilitate communication with healthcare providers during consultations and sharing information among family members. You can record vitals such as blood pressure, blood sugar levels, and weight, as well as daily symptoms and medication records. Additionally, by linking with Mynaportal operated by the Digital Agency, you can easily register information about your medications, health checkup results, and medical expenses. Recommended for: • Those managing conditions like diabetes, hypertension, dyslipidemia, or hyperuricemia. • Individuals who already maintain records such as blood pressure logs or blood sugar diaries. • People looking to prevent conditions such as heart failure or chronic kidney disease (CKD). • Anyone who wants to manage their own health. • Those who wish to share health information with family members. • Individuals who want to manage the health of family members who don’t own a smartphone. Features of MySOS: ■ Recording and setting goals for vital signs important for health management and treatment You can record and manage vitals such as body temperature, blood pressure, heart rate, weight, body fat percentage, blood sugar levels, SpO2, and step count. It is also possible to link with health care apps pre-installed. The recorded data can be displayed in graph form. Additionally, you can set target values as agreed upon with your primary care physician or occupational health doctor. ■ Recording daily symptoms and actions like medication intake You can register daily symptoms (such as headaches or vomiting), wake-up and bedtime, and medication intake records. Mood and memos can also be recorded, providing support for accurately conveying your condition and symptoms to your doctor during consultations. ■ Registering medication information and alert functions You can register medications ranging from over-the-counter drugs to those prescribed by healthcare providers. Reminders can be set to prevent missed doses. ■ Recording through Mynaportal integration You can record information about your medications, medical expenses, specific health check-up results, and vaccination history through the Mynaportal managed by the Digital Agency. ■ Sharing records with family members You can share information on vitals like blood pressure, blood sugar levels, and weight, as well as medication and health checkup results among family members. Information for children and elderly who do not own the app can be recorded by proxy through a family account. Family accounts can be easily transferred using QR codes. ■ AED and Medical Facility Search You can check the locations of AEDs and hospitals on a map. ■ Basic Life Support Guide, Medical Emergency Guide(Adults and Children) and First Aid Guide • The Basic Life Support Guide supports you in assessing the situation and performing basic life support (BLS) until the ambulance arrives when you find someone experiencing a medical emergency. • Medical Emergency Guide(Adults and Children) assists parents of young children in determining how to respond to sudden illnesses during holidays or nighttime. It provides guidance on how to deal with different symptoms and when to seek emergency medical care. • The First Aid Guide provides instructions on initial care in cases of fractures, bleeding, convulsions, heatstroke, and more. It also offers tips on accident prevention. (Japanese Red Cross Society provided) ■ Feedback Please send requests or comments regarding the app via review or email. Visit our FAQ site (Allm Inc.) for questions and info about the app. https://allm.tayori.com/q/mysosfaq/ Email us if you have any problems or issues that cannot be resolved through the FAQ site. support@mysos.allm-team.net

Screenshots

Contraction Timer & Tracker4 screens
MySOS4 screens

Verdict

The call

The clearest difference is review sentiment: Contraction Timer & Tracker at 68% against MySOS's 7%. Contraction Timer & Tracker also leads on rating (4.6 vs 1.0) and ratings volume (50K vs 3). MySOS's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, device support and iOS requirement 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. Contraction Timer & Tracker sells 6 in-app purchases, starting at $1.99 per 7 days. MySOS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Contraction Timer & Tracker holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Contraction Timer & Tracker has 50K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 68% of Contraction Timer & Tracker's written reviews are positive against 7% of MySOS's.

UpkeepUpdate frequency

Contraction Timer & Tracker ships an update fortnightly, MySOS monthly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

Scorecard8 real differences · 3 level
Contraction Timer & Tracker versus MySOS: the parameters behind the verdict, then further details
ParameterContraction Timer & TrackerMySOS
PriceFreeFree
Rating4.6 (50K ratings) — better1.0 (3 ratings)
Positive reviews68.1% of reviews — better6.5% of reviews
Number of ratings50K — better3
Update frequencyFortnightly — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#112 — better—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size192 MB98 MB
Age rating17+17+
DeveloperGoing Merry LLCAllm Inc.

Customer experience

Contraction Timer & Tracker

All ratings50,021 ratings
Positive91.6%
Neutral5.1%
Negative3.3%
Written reviews568 reviews
Positive68.1%
Neutral7.2%
Negative24.6%

MySOS

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews245 reviews
Positive6.5%
Neutral2.0%
Negative91.4%

User reviews

Contraction Timer & Tracker

From 50K App Store ratings

What we love

  • 👍 Simple and straightforward
  • 🚀 Easy to use and navigate
  • ✨ Helpful for tracking contractions
  • 🔍 Allows editing and adjusting of entries
  • 💰 Free app with no subscription required

Room to improve

  • 🔔 Frequent requests for reviews during labor
  • 📢 Annoying pop-up ads and notifications
  • 🔒 Limited access from lock screen
  • 🔋 Potential battery drain from constant use

MySOS

From 3 App Store ratings

What we love

  • ✅ Expedited airport immigration process when working properly
  • 📱 Document upload functionality saves time at border
  • 🎯 QR code generation simplifies check-in procedures
  • ⏱️ Reduces physical document juggling after long flights

Room to improve

  • 🐛 Extremely buggy and frequently crashes
  • 😕 Confusing and non-intuitive user interface
  • ⚠️ Inconsistent and misleading wording throughout app
  • 🔄 Requires constant app reinstallation to fix issues
  • 🌐 Poor integration between app and web browser

Bugs and requests

Contraction Timer & Tracker

Reported bugs

2 issues
  • Inconsistent timing between start and end of contractions
  • Syncing issues between phone and Apple Watch

Requested features

5 requests
  • Dark mode or night theme option
  • Ability to pause/resume timing
  • Improved Apple Watch integration
  • Customizable intensity buttons instead of slider
  • Ability to share data/reports with medical providers

MySOS

Reported bugs

20 issues
  • App crashes on startup or during navigation
  • Consent buttons unresponsive or non-functional
  • Passport upload fails with unknown error
  • Login with registered email fails with ERR400131
  • Cannot restart upload process after accidental skip
Show 15 more
  • File upload hangs indefinitely with loading spinner
  • App freezes when responding to check-in notifications
  • Incoming call notifications don't produce sound
  • Caller cannot hear user despite successful connection
  • App terminates when receiving phone calls
  • Location verification incorrectly reports wrong quarantine location
  • Mandatory field validation logic broken (crew member checkbox)
  • Next button on forms not recognized on first click
  • Data loss when redirected to web browser and returning
  • Infinite loop on pre-registration screens
  • App doesn't recognize fast-track option after initial setup
  • Vaccine requirement validation contradicts stated requirements
  • Unable to change name after initial entry
  • Hyphenated names not accepted
  • App doesn't work properly when phone language is English

Requested features

15 requests
  • Redesign UI with modern, intuitive interface
  • Support for PDF file uploads
  • Ability to edit information after initial submission
  • Seamless app-to-web integration without redirects
  • Clear instructions and user manual within app
Show 10 more
  • Support for multiple trip registrations without reinstalling
  • Automatic data transfer from web registration to app
  • Better notification system with customizable alert sounds
  • Callback functionality if user misses call
  • Support for dual names and special characters
  • Offline mode or cached data access
  • Reduce or eliminate video call requirements
  • Better handling of vaccine requirements (2 vs 3 doses)
  • Simplified pre-registration process
  • Lower age rating to allow younger users to install

In-app purchases

6 purchases

Contraction Timer & Tracker

Subscriptions6
  • Weekly Premium$1.997 Days
  • Weekly Premium$2.997 Days
  • Baby Tracker & Contraction Timer$3.997 Days
Show 3 more
  • Yearly Premium$19.991 Year
  • Yearly Premium$29.991 Year
  • Baby Tracker & Contraction Timer$39.991 Year
None

MySOS

No in-app purchases

Questions

Is Contraction Timer & Tracker free?
Contraction Timer & Tracker is free to download, with in-app purchases available.
Is MySOS free?
MySOS is free to download, with no in-app purchases.
Which has better reviews, Contraction Timer & Tracker or MySOS?
Contraction Timer & Tracker is rated higher. Contraction Timer & Tracker averages 4.6 out of 5 from 50K ratings, while MySOS averages 1.0 from 3 ratings.
Do Contraction Timer & Tracker or MySOS have ads?
Contraction Timer & Tracker shows ads; MySOS does not.
Which is updated more often, Contraction Timer & Tracker or MySOS?
Contraction Timer & Tracker ships an update fortnightly, and MySOS monthly. Most recently, Contraction Timer & Tracker was updated on October 12, 2026 and MySOS on October 9, 2026.

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