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Monitor your health whether you are trying to concieve, pregnant or just getting to know your body. While you’re sleeping, the Ava bracelet tracks 9 health parameters also associated with varying levels of progesterone and estradiol throughout the menstrual cycle. 
The Ava bracelet is a completely unprecedented method of tracking a woman’s cycle and health.

While you’re sleeping, Ava’s sensors collect data on nine different physiological parameters.
- Pulse rate
- Breathing rate
- Heart rate variability
- Sleep duration and sleep phases
- Movement
- Skin temperature
- Heat loss
- Perfusion
- Bio impedance

The parameters are fed into our algorithm in order to determine your fertile window. Other methods of fertility tracking rely on only a single parameter, and thus cannot provide a complete picture of your fertility in real time. Ava detects the very first signs that the fertile window is beginning, and confirms when it ends. Ava, in addition keeps tracking your data once you are pregnant and accompanies you on your journey.

+ See 5.3 fertile days per cycle in real time.
+ Track your temperature, resting pulse rate, sleep quality and quantity and physiological stress levels.
+ Gain insights about your menstrual cycle and discover patterns in your health over time with charts, graphs, and trend analysis.
+ Learn about changes in your body during pregnancy.

+ Ava has been shown to detect an average of 5.3 fertile days per cycle at 89% accuracy.
+ Ava was clinically tested in a year-long study at the University Hospital of Zurich under the leadership of Prof. Dr. Brigitte Leeners, the leading expert on the mathematical modeling of menstrual cycles.
+ Ava is an FDA registered device and CE certified. 

The Ava Bracelet is made with the most advanced Swiss sensor technology. It provides health insight that’s not available with any other wearable health tracker and identifies more fertile days per cycle than any other method. The app must be used with the Ava bracelet. Visit avawomen.com to order your Ava bracelet today.

Web – http://www.avawomen.com
Facebook – http://www.facebook.com/AvaBracelet
Twitter - @AvaWomen
Instagram - @AvaWomen
Pinterest - @AvaWomen

If you have any questions about the Ava bracelet or Ava app, read our FAQ's at http://www.avawomen.com/faq/ or email us at support@avawomen.com

What's New

Version 1.6.1

- Ability to export a cycle report
- Period confirmation messages
- Easier navigation in the charts
- Maintenance and bug fixes

Customer Reviews

3.7 out of 5

107 Ratings

107 Ratings

Works well for temping and sleep tracking


While I really like the convenience of the Ava bracelet for temping and tracking sleep and stress, I am very skeptical of its accuracy in predicting fertile days. So I tested its accuracy by using two different brands of OPKs and the Ava bracelet simultaneously. I had two glasses on wine one night, and Ava moved my fertile window up by three days, and then claimed I ovulated two days later. However, both sets of OPKs showed LH surge a week later, and my temperature spike confirmed ovulation to be in line with my OPKs, NOT the Ava bracelet. I understand that alcohol can change your heart rate and breathing rate, but two glasses of wine hardly seems enough to throw everything out of whack like that. Apparently, Ava only works accurately if you abstain from the liquid libations completely. But I do love that I don’t even have to think about temping at the right time of morning, my temperature just syncs up when I take off the bracelet. And tracking my stress level has really encouraged me to make some changes at work to ensure I’m taking care of myself. For those reasons, I am happy with my purchase. But I will not be throwing out my OPKs anytime soon while we are still TTC.

Great idea but needs a lot of product development


I love the idea of the Ava bracelet, and I adjusted relatively quickly to wearing the strap but the actual bracelet can be very fickle. I'm careful to make sure I have the charger plugged in 'just so' so that it will charge, and it seems as if anything touches the nightstand I charge it on then the bracelet isn't charged when I try to go to bed. In the 4ish months that I've had it, I've only had 2 nights during which the bracelet fell off, and I didn't wake up to fix it resulting in "insufficient data". I do have some days (especially when the app updates and I have to remember my password) that I have a difficult time syncing the bracelet to the app as there is no way to force a sync like with Fitbit. As an early Fitbit user I'm hopeful Ava will take a page from the Fitbit playbook and treat their early customers with good service. My first Fitbit wasn't great but as they developed better products they admitted to their lousy ones and upgraded those customers that initially believed in them. I'm hoping Ava does the same.

A valuable addition to my TTC toolbox


Ava is not a magic wand, it’s not a fertility treatment, and it doesn’t prevent medical intervention if that’s what’s truly needed. However, it measures physiological parameters that can really help you get to know your body and your cycles. Ava offers a prediction for ovulation, which gets more accurate each cycle you wear it consistently. While Ava might not always be perfect in her ovulation day prediction- I am always able to visually pinpoint when I ovulated by looking at my chart. I am able to track other signs and symptoms as well so that I can see when certain signs, symptoms, and physiological changes line up. The company also makes app updates directly based on feedback from real live users- which is a breath of fresh air. Wish I would have started using Ava sooner in my journey!!


Ava AG
112.3 MB
Health & Fitness
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German, Italian, Spanish
Age Rating
Rated 4+
© 2017 Ava AG


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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