DotDiary
Private period tracker — your data stays in Apple Health
DotDiary launched on July 29, 2026 with 1 votes.
What it does
DotDiary is a private period and cycle tracker that stores everything in Apple Health on your iPhone — no account, no ads, no tracking, no subscription. There's no server holding your cycle data, so nothing to breach, sell, or subpoena. It's still a full tracker: single-tap logging, predictions with confidence ranges, symptom, mood and fertility tracking, trends, and a doctor-ready PDF. Free import from Flo or Clue. Free to use, with a one-time $2.99 Pro unlock, no subscription.
Download DotDiary by Fredy Soussou on the App Store. See screenshots, ratings and reviews, user tips, and more apps like DotDiary.
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS. Health & Fitness Developer Fredy Soussou Language EN + 1 More Size 1.6 MB iPhone New: Changing Cycles — a free perimenopause mode that describes instead of predicts. Plus custom tags and French support. Same rule as always: no data collected. DotDiary is a private period and cycle tracker that keeps your data where it belongs — in Apple Health on your iPhone. No account. No ads. No tracking. No subscription. Most trackers send your most personal data to their servers. DotDiary doesn't. Everything you log — periods, symptoms, fertility signs — is saved straight into Apple Health. DotDiary keeps no copy, has no login, and…from apps.apple.com
Does a similar job
all alternatives →- IMI made a privacy friendly and simple app to track my menstruation2024 · play.google.com · ▲732
Hey HN, after the app I actually used to track my period wanted me to log in and save my data in the cloud, I decided to write my own. Most apps in this area are based on a subscription model and display far too much information anyway. For me, a simple calendar is enough where I can add a few notes if necessary. So that is the result of my work - a simple design and the data is only saved on the smartphone.
LadyLog - A period tracker2024 · play.google.com · ▲89Easy to use period tracking app that respects your privacy

Luna - Private Period TrackerNov 2025 · apps.apple.com · ▲11Your period data never leaves your phone. 100% private.
Simply Track: Period & Cycle TrackerAug 2026 · simply-track.com · ▲2The private period tracker that grows with every cycle
Simpluna2021 · simpluna.app · ▲68I've been running Simpluna, a period-tracking app, for six years. It's a company based in Tokyo, Japan, but development and operations are basically a one-person effort. The app is built with React Native (Expo). The defining trait of the app is that it's simple, with no unnecessary features. Recording periods, calculating predictions, and sending notifications — that's the core of it. This space is dominated by big players (Flo, Clue, and in Japan, Luna Luna). Building something similar would have been hopeless, so I made the things those apps don't have my selling point. Optional features…
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