Tune into your hormones, feel better than ever

The Jennis app uses the latest hormonal health science to help you get the results you want. Get expert fitness, lifestyle and nutrition recommendations synced to your unique hormones. Understand the power of you and take back control.

created by JESS ENNIS-HILL

"I launched Jennis to show that by talking openly and moving differently we can regain power over our bodies, symptoms and hormonal health."

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We're backed by science

Our 5-month study with 28 women proves the symptom-reduction, mood and motivation gains our women see by moving in line with their hormones

72 %

reported reduced negative symptoms

55 %

reported more motivation to move

61 %

more active days each month

77 %

reported improved mood

Our products

Jennis CycleMapping®

Daily movement and lifestyle recommendations mapped to the four phases of your unique menstrual cycle.

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Perimenopause

Movement programmes and symptom-reduction tools, designed by leading experts in perimenopausal health.

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Join 800+ women 🔥

Movement programmes and symptom-reduction tools, designed by leading experts in perimenopausal health.

Jennis CycleMapping®

Daily movement and lifestyle recommendations mapped to the four phases of your unique menstrual cycle.

SIGN UP TODAY

The Jennis app will help you…

Move, eat and sleep smarter

Get expert fitness sessions designed specifically for your hormones, lifestage and goals.

Reduce Symptoms

From fatigue to cramps, irritation to anxiety, get daily sessions to suit your symptoms. Plus, see your symptom score fall month on month.

Understand your body

Understand your hormone changes with our expert audio guides. Feel the mental health benefits.

Easy for Everyday

We do the thinking and make it easy to fit into busy schedules. Just 5 to 35 mins. Made to suit your energy levels.
choose CYCLEMApPINGchoose perimenopause

Meet our experts

Jessica Ennis-Hill

Founder and CEO

Jess Ennis-Hill is an athlete turned women’s-health ambassador, who is working hard to create a lasting legacy in the field hormonal health.

Laura Clark

Clinical Dietitian

Laura is a registered Dietitian who specialises in helping women understand the behavioural and hormonal background to what we eat. She also has a focus in supporting perimenopausal women.

Dr. Emma Ross

Physiologist

As part of her work with Jennis, she helps us translate scientific studies into an accessible app all women can benefit from.

Baz Moffat

Perimenopause Fitness Expert

A former elite rower, Baz Moffat is a health and fitness coach who is laser focused on helping perimenopausal women.

Bella Smith

GP

Bella is a GP with 20 years experience. For Jennis, she advises us on the medical and mental health issues we can help women at every lifestage with.

Lina Nielsen

Yoga Ambassator

400m hurdler, Lina, turned to yoga after injury and now teaches Jennis women how to use yoga to reduce symptoms.

Georgie Lawlor

Breathwork Ambassator

Georgie Lawlor is a master breathwork coach who uses breathing techniques to improve your mental, physical and emotional health.

Shelley Rudman

Strength Coach

Silver medallist, Shelley Rudman, is a trained PT who works with women to improve strength and reduce symptoms.

Nicky Keay

Hormone expert and lecturer

Dr Nicky Keay, endocrinologist and author of Hormones, Health And Human Potential, is a leading expert on women’s hormones.

Anna Allerton

Perimenopause Workplace Coach

Anna is an executive coach who specialises in supporting women to maintain their careers and confidence during perimenopause.

MEET THE TEAM

Testimonials from the community...

“It’s amazing to see how the recommendations change across my cycle and how they really do echo the way I feel in my body and how motivated I am.”

Emma, 43

“I've never seen anything like it before. It makes you feel listened to as a woman and that it’s normal for your cycle to affect your life.”

Ella, 39

“This is the first time I have followed a women’s fitness programme and not felt guilty about taking a rest day. I understand why and I feel good for taking it!”

Alice, 45
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