94 Percent Would Buy Daysy Again
Daysy has built a loyal following of users around the world. This survey of over 6,000 Daysy users shares how they discovered the device, what motivated their purchase, and which features they value most.
To everyone who took part, a sincere thank you! Daysy Europe conducted this survey with users across 40 countries, and the feedback received helps shape future updates and product development. Your input matters.
Nearly 2,500 respondents came from English-speaking countries. The largest group was from the US (43.6%), followed by the Netherlands (17.8%) and Israel (5.8%). Two thirds of participants (62.3%) are aged between 25 and 34.
Insights from the International Daysy Community
More than half of respondents (50%+) have been using Daysy for over a year, and 92% of all Daysy accounts remain active after 12 months.
83.9% of users measure their temperature daily, and 12.3% do so at least 4 to 5 times per week. (Worth noting: the more data Daysy has, the more accurate its calculations become.) Only 3.8% measure fewer than four times a week, which suggests that the morning routine fits easily into most lifestyles, regardless of work schedule or daily habits.
More than a third of respondents (32.1%) first heard about Daysy through a friend. Daysy also offers a referral program if you'd like to share it with someone you know.
95% of respondents said that Daysy's educational resources gave them a solid understanding of both the product and fertility tracking in general. Providing clear, useful information is central to what we do. You can explore more at: Learn more about your body.
The majority of users (59.9%) made the decision to purchase Daysy together with their partner. Partners can stay actively involved in cycle monitoring through the DaysyDay Partner app, which shares cycle data with the same high level of data protection as the main app.
Download DaysyDay Partner app for iOS
Download DaysyDay Partner app for Android
Over 94 Percent of Users Would Purchase Daysy Again
Three in four women are very satisfied with Daysy. On a scale of 1 (disappointing) to 6 (very satisfied), over 70% of respondents gave a rating of 5 (32.7%) or 6 (41.1%). Only 2.3% rated their experience below 3.
Satisfaction with the DaysyDay app is similarly strong, with an average rating of 4.8 out of 6.
The Most Helpful App Features According to Users:
- Calendar overview (69.8%)
- Temperature curve (66.3%)
- Fertility prognosis (46.4%)
Intuitive, Useful and Quality-Built:
When asked what words they associate with Daysy, 68.9% said it represents good value for money, 62.5% described it as easy to use, 52.8% praised how straightforward it is to understand, and 42.2% highlighted its accuracy.
Customer Service That Delivers:
Over 93% of users who contacted customer service had their query successfully resolved.
On a satisfaction scale of 1 to 6, more than 83% of respondents rated their customer service experience a 5 (19.9%) or 6 (62.4%). Only 0.1% were less than satisfied.
What Users Say About Fertility Tracking with Daysy
Many women tell us that using Daysy has changed how they understand their own bodies and, in turn, their lives.
Measuring basal body temperature each morning is a simple habit that delivers immediate, meaningful information. Knowing when ovulation is approaching or when your next period is due helps with family planning and everyday preparation alike.
Understanding which phase of your cycle you're in can reduce stress and help you work with your body rather than against it. Knowing when your energy is naturally lower, or when exercise may feel harder, makes it easier to respond to your body's signals with care.
The simplicity of the device, the clear fertility status display each morning, and the period prediction make cycle awareness genuinely accessible, no matter your background or experience with fertility tracking.
What Users Value Most:
- Simplicity and convenience: Daily temperature measurement and period input are all that's needed to display fertility status each morning.
- Family planning support: Daysy helps users identify fertile days, whether they're trying to conceive or simply want to understand their cycle better.
- Cost-effective: A one-time investment, with the DaysyDay app available for free.
- Environmentally friendly: Rechargeable and designed to minimise waste.
