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Maren
A period tracker with no account, no server, no analytics
Track periods, symptoms, mood and perimenopause on iPhone without handing your cycle to a server. No account, no analytics SDK, no iCloud sync; records stay in an on-device store. Built for irregular cycles, with ranged predictions and trends.
Hi Product Hunt! Maren is a period, symptom and perimenopause tracker for iPhone, built around one constraint: cycle data shouldn't need a server.
There's no account to create, no analytics SDK and no networking code in the app. Records live in an on-device store and don't sync to iCloud, and Apple Health is only involved if you switch it on. The source is public on GitHub if you'd rather check than trust.
It's designed for irregular cycles rather than a textbook 28 days. Predictions show an expected range and a confidence level instead of a single date, and the calendar marks cycle phases next to what you've actually logged.
The core tracker is free; Premium adds deeper insights such as mood-by-phase correlations. It's available in English, Spanish and Chinese.
I'd especially love feedback on the perimenopause tracking.
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About Maren on Product Hunt
“A period tracker with no account, no server, no analytics”
Maren was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #72 on the daily leaderboard. Track periods, symptoms, mood and perimenopause on iPhone without handing your cycle to a server. No account, no analytics SDK, no iCloud sync; records stay in an on-device store. Built for irregular cycles, with ranged predictions and trends.
Maren was featured in iOS (110.8k followers), Health & Fitness (83.2k followers) and Privacy (11.3k followers) on Product Hunt. Together, these topics include over 80k products, making this a competitive space to launch in.
Who hunted Maren?
Maren was hunted by Jun. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Jun