Mayday: Period tracker for guy

In-app purchases
18 reviews
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
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About this app

No complicated charts or confusing medical terms - just the essential information you need to be supportive and prepared. Enter a few basic dates and Mayday handles the rest, giving you rough predictions of upcoming cycles and fertile windows.

We believe being supportive shouldn't be complicated. Whether you want to be more understanding, plan better dates, or just avoid asking awkward questions, Mayday helps you stay in sync with minimal effort.

Mayday keeps things simple - because being there for your partner shouldn't require a medical degree.

Note: Mayday provides rough estimates based on average cycles. For precise tracking or medical purposes, please consult healthcare professionals.
Period tracking made simple for boyfriends, lovers and everyone else
Updated on
Sep 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Health and fitness
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

18 reviews
Neil Backus
November 3, 2025
Great concept, but there are a few small tweaks that would make it even better. Give several options for mapping other phases of cycle (follicular, ovulation, luteal); knowing these is also really important if you don't want to piss off your girlfriend/wife/partner, or create a baby that you're not ready for at the wrong time. Just add them as different color options so that you can flesh out the cycle in a bit more detail and plan more effectively around it. ;)
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Alasdair Norðurljós
September 13, 2026
this has genuinely already helped me understand my other half, and I just downloaded it like, 15 minutes ago. I will definitely keep this app around
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Roy Wachira
February 12, 2026
No ads. Simple layout - Very user friendly. Awesome, inconspicuous app icons over the years 💯 (No one, who has access to my device, knows what it is/does, and/or bothers checking, which I really love). Just rated it because it didn't ask me to.
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What’s new

Making men a little better :)