Ida Tin

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Ida Tin
Born (1979-05-28) 28 May 1979 (age 44)
Copenhagen, Denmark
Alma materKaospilot
OccupationInternet entrepreneur
Known forCo-founder and CEO of Clue
WebsiteClue official website

Ida Tin (born 28 May 1979[1]) is a Danish internet entrepreneur and author who is the co-founder and CEO of the women's menstruation-tracking app, Clue.[2][3][4] She is credited with coining the term "femtech".[5][6]

Early life and education[edit]

Tin was born and raised in Copenhagen, Denmark. She graduated from the Danish alternative business school, Kaospilot.[4][7]


Prior to founding Clue, Tin ran a motorcycle tour company based in Denmark with her father.[4] She was with the company for five years and toured locations like Vietnam, the United States, Cuba, Chile, and Mongolia.[3] She later released a book about her experiences called Direktøs which became a Danish bestseller.[8]

In 2013, Tin co-founded the Clue app with Hans Raffauf, Moritz von Buttlar, and Mike LaVigne in Berlin, Germany.[9] Tin began formulating an idea for the app in 2009 as a way to track her own menstrual and fertility cycle.[2][10] In mid-2015, the app had around 1 million active users.[11] In October 2015, the company raised $7 million in a funding round led by Union Square Ventures and Mosaic Ventures, bringing the total amount of funding up to $10 million.[12]

By November of that year, the number of active users had risen to 2 million representing over 180 countries.[13] In late 2015, Tin worked with Apple to help them develop their own period tracking software for their HealthKit platform.[14] Also in 2015, Tin was named the Female Web Entrepreneur of the Year at the Slush Conference.[15]

In 2016, Tin was credited for coining the term "femtech" to refer to technology designed for women's health.[16] The term to referred to technology that addressed needs related to fertility, period-tracking, pregnancy, menopause and more.[5][6]

In September 2016, Tin spoke at the TechCrunch Disrupt event in San Francisco on the topic of analytics in women's health.[17][18] Two months later, Clue raised an additional $20 million in a funding round led by Nokia Growth Partners.[19][20] In 2016 and 2017, Tin helped introduce new features to the app, including cycle-sharing and pill-tracking.[21] In 2017, Tin announced that Clue was working on adding features to serve app users going through menopause.[22] By 2018, Clue had 10 million users in 190 countries.[21]

Personal life[edit]

Tin lives in Berlin. Her ex-partner (and fellow Clue co-founder) is Hans Raffauf whom she has two children with, Elliot and Eleanor.[2][8]


  1. ^ Ida Tin [@idatin] (15 May 2013). "Female #astronaut Karen Nyberg taking off on (my birthday) May 28 to the International Space Station #ISS" (Tweet) – via Twitter.
  2. ^ a b c Gering, Jeanny (18 November 2015). "The health app that hopes to empower women". BBC. Retrieved 28 February 2017.
  3. ^ a b Reynolds, Emily (24 January 2017). "No pink, no flowers, just science: Clue's Ida Tin on the period-tracking app". The Guardian. Retrieved 28 February 2017.
  4. ^ a b c Price, Susan (14 December 2015). "How This Period Tracking App Is Helping Scientists Fight Disease". Fortune. Retrieved 28 February 2017.
  5. ^ a b Magistretti, Bérénice (5 February 2017). "The rise of femtech: women, technology, and Trump". VentureBeat. Retrieved 28 February 2017.
  6. ^ a b Hinchliffe, Emma (29 December 2016). "Why 2016 was a huge year for women's health tech". Mashable. Retrieved 28 February 2017.
  7. ^ Li, Charmaine (5 September 2014). "A close-up of Clue, the startup that aims to help women make sense of their fertility cycle". Retrieved 28 February 2017.
  8. ^ a b Krishnan, Sriram (10 May 2016). "Ida Tin: Adventurer & Entrepreneur". The Huffington Post. Retrieved 28 February 2017.
  9. ^ Rosbrow-Telem, Laura (25 October 2016). "For women tracking their fertility, only a few apps can help". Geektime. Archived from the original on 3 March 2017. Retrieved 28 February 2017.
  10. ^ McGoogan, Cara (11 June 2016). "The period-tracking app helping women and scientists understand cycles". The Daily Telegraph. Retrieved 28 February 2017.
  11. ^ Lomas, Natasha (9 October 2015). "Period Tracker App Clue Gets $7M To Build A Platform For Female Health". TechCrunch. Retrieved 28 February 2017.
  12. ^ Rabin, Roni Caryn (12 November 2015). "How Period Trackers Have Changed Girl Culture". The New York Times. Retrieved 28 February 2017.
  13. ^ Cook, James (9 January 2016). "German period tracking app Clue has over 2.5 million active users — but it's still not sure how it's going to make money". Business Insider. Retrieved 28 February 2017.
  14. ^ Rank, Elisabeth (5 January 2016). "Handy statt Hormone: Clue-CEO Ida Tin über Health Tracking & moderne Verhütung". Wired (in German). Archived from the original on 3 March 2017. Retrieved 28 February 2017.
  15. ^ Baker; Gabriel, Hostetler LLP-Jessie M.; Ravi, Tara (19 March 2019). "Women Investing in Women's Health: The Rise of Femtech Companies and Investors in Celebration of Women's History Month | Lexology". Retrieved 3 May 2019.
  16. ^ Escher, Anna (16 August 2016). "Ida Tin to speak on bringing analytics to female health at Disrupt SF". TechCrunch. Retrieved 28 February 2017.
  17. ^ Kolodny, Lora (13 September 2016). "Health tech founders call for high ethical bar for use of women's intimate data". TechCrunch. Retrieved 28 February 2017.
  18. ^ Kharpal, Arjun (30 November 2016). "Nokia VC arm invests in an app that tracks women's menstrual cycles in $20 million funding raise". CNBC. Retrieved 28 February 2017.
  19. ^ O'Brien, Chris (30 November 2016). "Female fertility app Clue raises $20 million in round led by Nokia Growth Partners". VentureBeat. Retrieved 28 February 2017.
  20. ^ a b "Ida Tin leads the femtech revolution with health app Clue". Retrieved 18 April 2019.
  21. ^ "The menopause is on our roadmap, says Clue's Ida Tin". TechCrunch. Retrieved 18 April 2019.[permanent dead link]