Contraction Timer + vs SonoMe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contraction Timer +
Easily track the duration and frequency of your contractions. This app records labor history, displays progress graphically, and offers guided breathing exercises. It also includes a handbook with information on contractions and labor.
- Track contraction duration and intervals
- Graphic display of interval changes
- Meditation and breathing aids
- Handbook on contractions and labor
- Saves labor history across restarts
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Contraction Timer + helps you time your contractions. Simply press the start button when the contraction starts and the stop button when the contraction ends. Contraction Timer will keep a history of when each contraction started, how long it lasted, and the frequency between each one. Your full labor history and contraction progress will be saved regardless of whether you restart the application during your labor, or restart the entire device. There is no need to keep this application open the whole time. Main functions: - Tracking the duration of contractions and the intervals between them. - Graphic display of interval change. - Sounds and visual effects for meditation and proper breathing. - Handbook and answers to questions about contractions and labor. This App is not intended for medical use, or to replace the advice of a trained medical doctor. We disclaim any liability for the decisions you make based on this information, which is provided to you on a general information basis only and not as a substitute for personalized medical advice. If you have any concerns about your pregnancy, consult with your doctor or midwife.
SonoMe
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This is the dedicated App for SonoMe Wireless Pocket Ultrasound Scanner. Are you a SonoMe user? Then, you can use this App for FREE! 1. Please download and install this App in your phone or tablet. 2. Connect your SonoMe transducer to your device. 3. Launch this App and go scanning! Get ready to scan with SonoMe anywhere, anytime you want with wireless and pock-size compact design without any limit of space, time, or circumstances. For more information, please visit www.sonome.com. *Medical Disclaimer This App’s imaging features are available and intended for diagnostic or procedure guidance purposes only when certified medical professionals use SonoMe transducers (Medical Device). This App only displays or manages ultrasound imaging or Doppler signals, and Image interpreting and specific diagnosis shall be left to qualified medical professionals. The imaging or Doppler signals displayed are only for certified medical professionals, not meant to provide medical advice or diagnosis for you or any other person. Bionet shall not be liable to you or anyone else for any action or decision based on the imaging or image reading to diagnose, treat, cure, or prevent a health problem or prescribe medication. Instead, you should obtain the image reading or advice of a qualified healthcare professional.
Screenshots
Verdict
The clearest difference is update cadence: SonoMe at every 4 months against Contraction Timer +'s every 7 months. SonoMe also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Contraction Timer + ships an update every 7 months, SonoMe every 4 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Contraction Timer + | SonoMe |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.8K ratings) — better | — |
| Positive reviews | 76.3% of reviews | — |
| Number of ratings | 1.8K — better | — |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 6 MB |
| Age rating | 12+ | 12+ |
| Developer | David Hendren | Bionet CO.,LTD |
Bugs and requests
Contraction Timer +
Reported bugs
3 issues- Disappearing text on the screen
- Inaccurate contraction interval calculations
- Failure to record contraction data
Requested features
3 requests- Ability to track contraction intensity
- Background tracking of contractions
- Option to mute sounds
SonoMe
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Contraction Timer +
No in-app purchases
SonoMe
No in-app purchases
Questions
Is Contraction Timer + free?
Is SonoMe free?
Do Contraction Timer + or SonoMe have ads?
Which is updated more often, Contraction Timer + or SonoMe?
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