Shape

Meet CHARLI.
More than just an app

CHARLI Health

Backed by science.

Created by reproductive health specialists.

CHARLI is evidence-based and created by a team of reproductive health specialists.

Designed with women, for women, our app uses smart technology to predict your fertile window and next period.

All information is up-to-date, empowering you with accurate, trustworthy advice.

CHARLI is more than a health app—it combines trusted, evidence-based information with practical tools to help you understand and manage your menstrual and overall health. Beyond tracking, it connects you with trusted health professionals, bridging the gap between your personal health data and expert support. With cutting-edge technology, CHARLI empowers you with knowledge and better access to quality care.

Samantha Costa

Founder, Chief Clinical Officer

Samantha Costa
I have always believed in the power of preventative health care and the importance of looking after the WHOLE woman. Knowledge is power and CHARLI is that expert in your pocket that educates and guides you through the many facets of your health to allow you to UNDERSTAND your body and KNOW the steps to take to look after it.

Dr Tamara Hunter

Founder, Gynaecologist & Fertility Specialist

Dr Tamara Hunter
As a reproductive endocrinologist, I support women through some of their biggest life moments—from conception to complex health challenges. It’s a field that blends medical expertise with deep, compassionate care, building strong, trusting relationships. But not everyone has access to this support due to location, finances, or social barriers. That’s why CHARLI exists—to bridge these gaps with smart technology, delivering the right advice at the right time.

Assoc Prof Anusch Yazdani

Medical Director

Assoc Prof Anusch Yazdani
It is a privilege to be able to partner with other healthcare initiatives to genuinely improve women’s healthcare outcomes in Australia. It has been the mission of Endometriosis Australia to support and advocate for those affected by endometriosis. CHARLI, who has partnered with Endometriosis Australia, extends this mission, empowering individual women to access the information and tools they need to drive their own health destiny.

Dr Tal Jacobson

Founder, Gynaecologist & Fertility Specialist

Dr Tal Jacobson
With recent developments in the field of Artificial Intelligence, we are now on the frontier of the next wave of technology evolution. Harnessing the power of AI to make a measurable positive impact to the lives of women all around the world through CHARLI is nothing short of an incredibly exciting proposition and an amazing opportunity to use this cutting-edge technology for good.

Gareth Saunders

Chief Information Officer

Gareth Saunders
Access to healthcare for women and all people assigned female at birth has been inequitable and difficult for too long. With CHARLI I have a real opportunity to address these inequities and provide trustworthy, easy access to the highest quality women’s healthcare.

Lindsay Hutchinson

Chief Executive Officer

Lindsay Hutchinson
I am so honoured to be part of the CHARLI team – a team that is genuinely interested in both improving women’s health outcomes AND addressing the inequities in access to healthcare for all women and people assigned female at birth

Dr Claudia Duke

Women’s Health GP

Dr Claudia Duke
Being able to connect with women for their nutrition needs regardless of where they live is so wonderful. Women who live rurally or remotely have, in the past, found it difficult to access specialty healthcare. With CHARLI, this is no longer an issue.

Cassandra Lawless

Dietitian

Cassandra Lawless
Healthcare is about more than medications or new machines or technologies. Healthcare works best when experts are able to use innovation to facilitate empathetic connection, impart information that encourages insight and control in a person’s health journey and provide access to everyone, no matter who or where they are. These are the principles that underpin CHARLI, and it makes me so proud to see them in action.

Dr Matt Smith

Founder, Obstetrician, Gynaecologist & Fertility Specialist

Dr Matt Smith
As a gynaecologist and obstetrician, I have looked after women for over 20 years and I am so proud to be part of creating a women’s health platform with our talented team. We worked out that the founding group had a total of over 150 years of experience in women’s health…. How cool is that!? I doubt any women’s health app could claim such expertise….. So please believe us when we say ‘CHARLI really is an expert in your pocket’.

Dr Ben Kroon

Founder, Gynaecologist & Fertility Specialist

Dr Ben Kroon

Making women’s health more accessible and empowering.

Since our launch, CHARLI has hit some exciting milestones. We’ve expanded from cycle tracking to include advanced fertility modules, telehealth services, and a growing community of users.

Each step brings us closer to making CHARLI the go-to app for women’s health in Australia.

At CHARLI, innovation never stops. From adding new features to improving our existing ones, we’re constantly evolving. Whether it’s expanding our telehealth options or integrating new health tools, we’re committed to making CHARLI the most comprehensive women’s health app available.

CHARLI History

The making of CHARLI: redefining women’s health.

2018
Questioning the status quo
Sam Costa, a nurse at Eve Health, began questioning the reliability and usability of cycle tracking apps. Were they truly helping women understand their health, or were they missing the mark?
2018
June 2019
Award-winning research
Sam presented her findings on cycle tracking apps at the European Society of Human Reproduction and Embryology (ESHRE). Her research earned her the award for ‘Best Presentation and Paper by a Nurse.’
June 2019
September 2019
Sparking media interest
Sam took her research to FSANZ, where her insights on menstrual tracking apps caught the attention of the media, fueling discussions about the need for evidence-based tools in women’s health.
September 2019
2020–2021
The shift to telehealth
As the COVID-19 pandemic reshaped healthcare, Sam focused on how telehealth could improve access to specialist care, a shift that would later influence CHARLI’s development.
2020–2021
August 2022
Telehealth in specialist practice
At FSANZ in Sydney, Sam presented her research on telehealth, exploring its role in reproductive healthcare and specialist nursing.
August 2022
June 2023
AI, and the future of care
Continuing her work at FSANZ, Sam presented research on the intersection of AI and nursing, setting the stage for integrating smart technology into women’s health.
June 2023
July 2023
A vision takes shape
Sam and Associate Professor Anusch Yazdani, medical director at Eve Health, discussed transforming her research into something bigger—Australia’s first evidence-based women’s health app.
July 2023
July 2023
The birth of CHARLI
The concept was presented to the directors, who saw the potential to revolutionise women’s health through technology.
July 2023
September 2023
CHARLI begins
With the support of a dedicated team, CHARLI was officially born—built on research, expertise, and a mission to make women’s health care smarter and more accessible.
September 2023
October 2023
Development kicks off
Work began on CHARLI, turning years of research into a real-world digital health solution.
October 2023
March 2024
CHARLI.Health launches
CHARLI became available to the public, offering a smarter, evidence-based way for women to track and manage their health.
March 2024
September 2024
Expanding into fertility
With its foundation set, CHARLI takes the next step—developing fertility-focused tools to further support women on their reproductive health journey.
September 2024
All features

Here’s what CHARLI users are saying

Endometriosis has made my life difficult in so many ways, but the CHARLI app has been a huge help in managing my condition. It’s not just about tracking my periods—it helps me keep track of my pain levels, fatigue, and other symptoms.
In my late 40s, I started experiencing symptoms of perimenopause, and it was overwhelming. The app’s insights have helped me feel more in control and less anxious about this stage of life. I only wish I had discovered CHARLI sooner!
CHARLI isn’t just a period tracker—it helps me manage everything from my cycle to my mood swings. I love how easy it is to use, and the insights it gives me are spot-on. It’s like having a personal health assistant in my pocket!
Living with PCOS has been a challenge, but the CHARLI Health app has made it so much easier to manage. The symptom tracking feature has been a game-changer for me. I can get tailored advice that actually makes a difference.
CHARLI makes tracking my period so easy! I used to be unsure when my period would start, but now I can see everything in one place. The reminders are super helpful—no more surprises! I feel so much more in control now.

Frequently
asked questions.
Period.

The fertility module requires you to be a premium subscriber and purchase the fertility module. The free version of CHARLI allows you to track your cycle, predict your next period, and log symptoms. However, to access fertility-specific features—like tracking treatment cycles and scheduling specialist or nurse appointments—you’ll need the subscription and the fertility module add-on.

Premium members enjoy full access to all features within the CHARLI app, including:

  • AI Support: Your personal women’s health expert, right in your pocket.
  • Analytics: Gain unprecedented insights into your cycles.
  • Learn: Unlock exclusive content crafted by leading experts to keep you informed and up to date.

The fertility module is an add-on to CHARLI premium.

Available deals:


Monthly: 3 months free, then $1.99/month
Annual: 3 months free, then $19.99/year 

To add the fertility module, navigate to your account settings by clicking on the circle with your initials in the top left corner. From there, select “Manage Cycles” and choose the option to add the fertility module to your subscription.

Download CHARLI Cycle tracker

Ready to take control?

Join thousands of others who trust CHARLI to support their health and wellness. Whether you’re tracking your cycle, managing symptoms, or accessing professional advice, CHARLI is here to empower you. Download CHARLI today and start experiencing a healthier, more informed you.

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