Best Ovulation and Period Tracking Apps in 2026: 8 Apps Compared

Clue suits people who want to log more than period dates. You can track flow, pain, mood, sleep, and other symptoms, then look back for patterns across months. That record can also be useful to show a clinician, because it is based on what you actually logged rather than a single average cycle length.

The free plan covers core tracking, while Clue Plus adds extra predictions and features for about $39.99 per year on app store listings. The honest limit applies to every app here: if your cycles vary a lot, predictions will vary too. Clue works best when you log consistently for a few months and treat early predictions as rough guides.

Flo is the most content-heavy app in this list. Alongside period and ovulation estimates, it offers articles, a pregnancy mode, and community spaces where users discuss health topics. For people who want reading material next to their calendar, that extra content is the main reason to pick Flo over a simpler tracker.

Price needs care here, because app store listings have shown different annual premium prices. Start free, check the premium price inside the app before you pay, and read the privacy settings first. Flo has faced past criticism over data sharing, and it now describes an anonymous mode. If privacy is your top concern, compare its current policy with Clue before you choose.

Natural Cycles is different from a simple calendar app, because it asks for basal body temperature readings and uses an algorithm to estimate fertile days. It is cleared by regulators for contraception use when used as directed, which sets it apart from general trackers that only estimate ovulation. Annual plans have been listed at about $149.99 per year, which works out cheaper than paying monthly.

That method only works if you can measure temperature regularly, ideally at a similar time each morning, and follow its instructions closely. Shift work, illness, and broken sleep can affect readings, and the app itself notes that correct use matters. If you want a low-effort tracker, this is not it. If you want a temperature-based method and accept the daily routine and cost, it is the clear specialist here.

Premom is built around ovulation testing. You can photograph a test strip in the app, and it reads the result and plots it on your chart, which removes some of the guesswork of comparing faint lines by eye. For people who are actively tracking ovulation, that strip reading is a real practical benefit.

For simple period logging, Premom can feel crowded, because its home screen is aimed at fertility tracking rather than a minimal calendar. The free plan covers core tracking and strip reading, with premium options for extra features. If you do not use test strips, Clue or Flo will feel simpler. If you do, Premom is the natural first try.

Ovia covers a longer journey than most trackers. It offers fertility tracking, then pregnancy tracking with week-by-week information, and later parenting tools, so you do not need to switch apps as your needs change. That continuity is useful if you plan to keep one record across stages.

The trade-off is focus. Ovia lists no in-app purchases on some store listings, which keeps the core app free, but the experience can feel broader and busier than a period-only app. If you only want a quiet calendar, a simpler app may suit you better. If you want one free app that follows you from trying to conceive into pregnancy, Ovia is a strong pick.

Glow pairs cycle and fertility tracking with a large community, which some people value when trying to conceive. You can log periods, symptoms, and ovulation signs, read articles, and join forums where other users share experiences. Partner sharing is also available, so a partner can follow the same calendar.

Community content is a mixed benefit. It can be reassuring, but forum advice is not medical advice, and it can also be stressful to read other people's stories. Keep that in mind, and check the premium price in the app before upgrading, because the free plan already covers core tracking. Glow suits people who want peer support next to their charts.

Stardust is a lighter, more playful tracker. It covers period dates, symptoms, and ovulation estimates, and adds daily content that some users enjoy opening each morning. Partner sharing lets someone else see your cycle dates if you want them to.

We would not pick Stardust for deep fertility charting, because Premom and Natural Cycles offer more specialised tools. We would pick it if you want a simple app you will actually open every day, and you like its tone. Check the paid plan price in your app store before subscribing, since listings have shown different monthly prices.

WomanLog is a long-running tracker that focuses on detailed records rather than a polished social feed. You can log periods, symptoms, weight, mood, and other notes, and keep a calendar that is easy to review month by month. For people who value a complete personal record, that depth matters more than a modern look.

The design is less fresh than Clue or Stardust, and some features sit behind a paid plan, so check the price in the app store before you commit. Still, WomanLog earns its place for users who want thorough logging without community features or a heavy content feed. It is a quiet, practical choice.