Comparison

HeartBeatSync 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

HeartBeatSync

Features
Read full description

HeartBeatSync lets you and your partner feel each other's heartbeat in real time — no matter where you are in the world. Simply connect with your partner using a unique code or QR scan, and instantly see and feel their live heart rate from their Apple Watch. FEATURES • Live heart rate sync with your partner • Animated heartbeat visualization • Heart rate history with charts and stats • Camera-based heart rate measurement (no Apple Watch needed) • Home screen widget — see their BPM at a glance • Works in the background with Apple Health HeartBeatSync uses Apple HealthKit to read heart rate data from your Apple Watch. Your health data never leaves your device — it is only shared directly with your partner.

About

Contraction Timer

Features
Read full description

Time contractions with confidence — simply, privately, and exactly how your provider recommended. Contraction Timer: Labor Track helps you track duration, frequency, and patterns from your first Braxton Hicks through active labor, without the clutter of a general pregnancy app. TRACK EVERY CONTRACTION - One-tap start/stop timing - Automatic duration & time-between calculations - See your average duration and how far apart contractions are, at a glance YOUR FULL HISTORY, ORGANIZED - Every contraction automatically logged by date and time - Review patterns over hours or days - Know exactly what to tell your provider when you call ALERTS SET TO YOUR CARE PLAN - Customize alert thresholds (defaults to the common "5-1-1" guideline) - Adjust minutes apart, duration, and consistency window to match what your provider told you - Gentle haptic, sound, or voice alerts — your choice BUILT FOR THE MOMENT - Large, easy-to-tap timer designed for one-handed use, even in the dark or mid-contraction - Optional rhythm haptics while timing - Works completely offline — no connection needed in the delivery room, car, or anywhere else PRIVATE BY DESIGN - Your timing data stays on your device - No account or sign-up required to start tracking Whether you're in early pregnancy noticing irregular tightening or counting down the final stretch, Contraction Timer: Labor Track gives you a clear, calm way to track what's happening — so you can focus on what matters. Contraction Timer: Labor Track is a tracking tool and does not provide medical advice, diagnosis, or labor detection. Always follow guidance from your doctor, midwife, or care provider, and contact them directly with any concerns. Subscription Details: • Title: Savory All Access • Length: 1 year • Price: $6.99 per week and $29.99 for 3 months with 1 week free trail (auto-renews). • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://docs.google.com/document/d/1IysoItFPBXxdxDkkTJ6FRT1Of8qXqAwwB0op5coC1nU/edit?usp=sharing

Screenshots

HeartBeatSync4 screens
Contraction Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: HeartBeatSync at none against Contraction Timer's 2. Contraction Timer's advantage is iOS requirement (17.6 vs 26.4). On price, ads and device support there is nothing between them.

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

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

Both are free to download. Contraction Timer sells 2 in-app purchases, starting at $6.99 per 7 days. HeartBeatSync asks for nothing beyond the download.

Scorecard2 real differences Ā· 3 level
HeartBeatSync versus Contraction Timer: the parameters behind the verdict, then further details
ParameterHeartBeatSyncContraction Timer
PriceFreeFree
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS26.417.6 — better
Further details — not scored
Size4 MB22 MB
Age rating4+4+
DeveloperJakub MalisKELVIN SENANU WALLACE

In-app purchases

None

HeartBeatSync

No in-app purchases

2 purchases

Contraction Timer

Subscriptions2
  • Pro Access for a week$6.997 Days
  • Pro Access for 3 months7 Days trial$29.993 Months

Questions

Is HeartBeatSync free?
HeartBeatSync is free to download, with no in-app purchases.
Is Contraction Timer free?
Contraction Timer is free to download, with in-app purchases available.
Do HeartBeatSync or Contraction Timer have ads?
Neither HeartBeatSync nor Contraction Timer shows ads.

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