Comparison

Rapida Rhythm vs Contraction Timer

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

Head to head
About

Rapida Rhythm

Features
Read full description

Rapida Rhythm is a modern mobile application powered by artificial intelligence. With its user-friendly interface, you can upload ECG images and view visualized results within seconds. AI-based algorithms provide quick and accurate insights about your rhythm, helping you increase daily awareness. Key Features Instant Feedback: Upload your images and see results immediately. High Precision: Advanced algorithms ensure a reliable experience. User-Friendly Design: Intuitive, simple, and accessible for everyone. Always with You: Convenient use anytime, directly on your mobile device. Who Is It For? Individual Users: Ideal for those who want to track their own data in daily life. General Use: Suitable for anyone interested in increasing personal awareness. Why Rapida Rhythm? Efficiency: Combines “AI + mobile solution” to save time and effort. Privacy First: Your data is never shared with third parties. Portable Convenience: A practical and modern tracking experience in your pocket. Rapida Rhythm is intended for informational and awareness purposes only. This application does not replace professional medical diagnosis or treatment. Always consult your doctor before making any medical decisions or taking action based on the app’s results.

About

Contraction Timer

This app helps track labor progress with contraction timing, intensity, and frequency analysis. It offers guided breathing exercises, a hospital bag checklist, and alerts for active labor. It also includes features for tracking baby kicks and postpartum recovery.

Highlights
  • Contraction timing, duration, and frequency tracking
  • Smart labor progress analysis
  • Guided breathing exercises for relaxation
  • Hospital bag checklist
  • Baby kick counter
  • Postpartum recovery checklist
  • Exportable labor logs
Read full description

Your advanced helper for a safe and confident birth. From the first contraction to active labor, you’ll have guidance you can rely on. Smart analysis shows you how labor is progressing, timely alerts tell you when it’s time to act, and breathing exercises help you stay calm. Plus, a built-in hospital bag checklist helps you prepare everything you’ll need for delivery. Everything is designed to keep you and your baby safe. - Start and stop the timer with a single tap - Track duration, frequency, and intensity of contractions - Get notified when active labor begins - Follow guided breathing exercises to stay calm - Receive helpful tips and alerts about concerning patterns - Export and share your logs with your doctor or birth partner - Use the hospital bag checklist to make sure you’re fully prepared - Manage contractions pain with guided relaxation and breathing - Induce labor naturally with safe, evidence-based methods - Track baby kicks to stay aware of your baby’s well-being - Take the “Am I in labor?” test when you’re unsure what’s happening - Follow your recovery checklist after birth - Do pelvic floor exercises to regain strength postpartum The app offers the following subscription plans: 1 week (no trial) – $4.99 1 week (no trial) – $3.99 1 week (no trial) – $2.99 1 year (no trial) – $14.99 3 months with 3-day trial - $29.99 1 year with 3-day trial - $49.99 (prices may vary slightly depending on your country) - Payment is charged to your iTunes account once the purchase is confirmed. - Subscriptions renew automatically unless you turn off auto-renew at least 24 hours before the current period ends. - Your account will be charged for renewal within 24 hours before the current subscription period finishes. - You can manage your subscriptions and disable auto-renew in your Account Settings after purchase. - Renewal pricing is determined by Apple’s App Store Matrix, equivalent to the subscription price in USD. - Any unused portion of a free trial (if available) is forfeited when you purchase a subscription. Disclaimer: This app is not a medical device. Recommendations are based on standard indicators and may not reflect your individual situation. Always consult your doctor and trust your body. If contractions become too painful or irregular, go to the hospital immediately, even if the app has not suggested it yet. Terms and Conditions: https://quilt-geology-5a1.notion.site/Terms-268d656769d28042be0be76ed5f04f77 Privacy Policy: https://quilt-geology-5a1.notion.site/Privacy-Policy-268d656769d28048a4c9d5fad9202cb6

Screenshots

Rapida Rhythm4 screens
Contraction Timer4 screens

Verdict

The call

The clearest difference is device support: Rapida Rhythm at 3 against Contraction Timer's 1. Rapida Rhythm also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases 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. Rapida Rhythm sells 3 one-off in-app purchases and Contraction Timer sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Rapida Rhythm ships an update every 3 weeks, Contraction Timer fortnightly. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
Rapida Rhythm versus Contraction Timer: the parameters behind the verdict, then further details
ParameterRapida RhythmContraction Timer
PriceFreeFree
Rating—4.5 (12 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—12 — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.6
Further details — not scored
Size58 MB61 MB
Age rating17+17+
DeveloperAhmet KabatasMaksym Varnalii

In-app purchases

3 purchases

Rapida Rhythm

One-time3
  • 1-month ECG analysis package$3.99
  • 4-month ECG analysis package$12.99
  • 6-month ECG analysis package$34.99
6 purchases

Contraction Timer

Subscriptions6
  • Contraction Timer PRO Weekly$2.997 Days
  • Contraction Timer PRO Weekly$3.997 Days
  • Contraction Timer PRO Weekly$4.997 Days
Show 3 more
  • Contraction Timer PRO Annual$14.991 Year
  • Contraction Timer PRO 3-Month3 Days trial$29.993 Months
  • Contraction Timer PRO 1 Year3 Days trial$49.991 Year

Questions

Is Rapida Rhythm free?
Rapida Rhythm is free to download, with in-app purchases available.
Is Contraction Timer free?
Contraction Timer is free to download, with in-app purchases available.
Do Rapida Rhythm or Contraction Timer have ads?
Neither Rapida Rhythm nor Contraction Timer shows ads.
Which is updated more often, Rapida Rhythm or Contraction Timer?
Rapida Rhythm ships an update every 3 weeks, and Contraction Timer fortnightly. Most recently, Rapida Rhythm was updated on September 18, 2026 and Contraction Timer on September 24, 2026.

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