Comparison

LADYTIMER Period Tracker vs Flo Cycle & Period Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LADYTIMER Period Tracker

This app accurately tracks and predicts menstrual cycles and fertile days using scientific methods. It offers features for pregnancy tracking, symptom logging, and reminders for medical exams and birth control. Users can also share data and utilize cloud backup.

Highlights
  • Menstrual cycle tracking
  • Fertile window prediction
  • Pregnancy mode
  • Symptom and mood logging
  • Medical and birth control reminders
  • Data sharing and cloud backup
Features
Read full description

Ladytimer tracks and predicts menstrual cycle days. Congrats, you've just discovered the world's best and most complete period tracker app. Ladytimer uses the latest scientific methods to accurately pinpoint a woman's fertile days. The app helps you to take charge of your menstrual cycle, lets you switch to pregnancy mode and back to period calendar mode after birth or miscarriage. * Easy to use period tracker * Ovulation calendar options: symptoms, moods, weight, etc * Period, Ovulation and medical exams reminders * Fertility calendar with temperature charts * Menstrual period history * Chat and Direct Messaging * Share calendar data with your doctor or partner * LadyCloud automatic backup and sync * Ovulation App is portable to any smartphone * Basal body temperature tracker * Body weight tracker * Intimacy tracker * Birth control pill reminder * Ovulation calculator with cervical mucus tracker * Ovulation Calendar print option * Fertility educational videos * A personal diary for every woman Simply track your start period day every month. After that the app calculates the menstrual cycle for you. Enter your morning body temperature for precise fertility tracking. The app will use it to calculate ovulation. Enter and track symptoms, moods, notes, weight, intimacy, ovulation tests, etc for any day. Chat with other Ladytimer users. Your period calendar data can be saved online and imported to any smartphone when needed. Never lose your data when switching phones. LadyCloud synchronization does it all automatically for you. It's very easy to share your period calendar with your doctor or partner. Chose the data you wish to share. — Ladytimer • the most advanced menstruation calendar —

About

Flo Cycle & Period Tracker

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Highlights
  • Period and ovulation tracking
  • Fertility and pregnancy support
  • Symptom and mood logging
  • Personalized cycle insights
  • Pregnancy week-by-week guidance
  • Perimenopause symptom tracking
  • Anonymous mode and data security
Features
Read full description

Flo Health is a science-backed cycle, ovulation, pregnancy, and period tracker with over 570 million downloads worldwide.* Track your period (regular or irregular), predict ovulation, learn to spot fertile signs, follow your baby’s growth with Flo Health’s pregnancy tracker, and explore common perimenopause symptoms. Flo Health is here to support your menstrual cycle and female health journey. Is my data safe with Flo Health? Flo Health is the first and only period tracking app with two certifications that are internationally recognized as the gold standard in data protection and security. In 2025, Flo Health was recognized as the ISO/Information Security Management System Team of the Year at the PICCASO Privacy and Security Awards for excellence and commitment to privacy-first design. - Anonymous Mode: Use the Flo Health period tracker without any personal identifiers being linked to your health data. Why choose Flo Health for period and ovulation tracking? Flo Health is more than a basic calendar — it's a period tracker and ovulation tracker designed to help you notice patterns over time. - Over 70 trackable symptoms and moods to receive personalized menstrual cycle insights - Support for irregular periods, pre-period symptoms, and cycle changes - Cycle report summaries you can download and share with your doctor Can Flo Health support my trying-to-conceive (TTC) journey? Flo Health offers educational features to help you explore conception insights and better understand how to spot fertile signs. - Fertile window and ovulation predictions based on your logged period data - Log LH/ovulation test strip results and basal body temperature - Discharge tracking to help you recognize fertile signs How does Flo Health support me in pregnancy? Once you conceive, switch to Pregnancy Mode for checklists and expert guidance. - Pregnancy tracking with weekly updates on your baby's development - Daily articles explaining fetal development at each stage Can Flo Health help me with perimenopause symptoms? Track changes during perimenopause with tools designed to help you better understand this life stage. - Perimenopause Score to follow symptom changes - Menopause Timeline to understand the perimenopause phases - Tracker to log sleep, energy, mood, and well-being changes Can I share with my partner? Flo for Partners lets you invite your partner to support your health journey. - Help them understand your menstrual cycle, get ovulation predictions, and celebrate pregnancy progress together. Is Flo Health free? The Flo Health app is free to download and includes core tools you need to track and understand your cycle. What do I get with Flo Health Premium? - Daily, tailored insights and expert-led videos - In-depth pregnancy features - Symptom Checker** that provides educational information on polyendocrine metabolic ovarian syndrome, endometriosis, and uterine fibroids symptoms - Fertility insights to support your TTC journey - 24/7 virtual Health Assistant: Explore instant, tailored insights about your body and cycle trends - Secret Chats: Find tips from other members - Flori: Well-Being Battery that gives you a snapshot of how your sleep, cycle, activity, and symptoms may be impacting you Note: Flo Health Premium is HSA/FSA eligible. Medical disclaimer: Flo Health does not provide medical advice, diagnosis, or treatment, and is not a method of birth control or conception aid. Predictions and features are for informational and educational purposes only. Always consult a qualified healthcare professional. Flo Health period tracker is compatible with Apple Watch. Download the Flo Health app today and join millions using a trusted period tracker, pregnancy app, and cycle tracker. *As of July 2026 **Not available in the UK, EU, Iceland, Liechtenstein, Norway, or Switzerland. Privacy Policy: https://flo.health/privacy-policy Terms of Use: https://flo.health/terms-of-service

Screenshots

LADYTIMER Period Tracker4 screens
Flo Cycle & Period Tracker4 screens

Verdict

The call

The clearest difference is ads: Flo Cycle & Period Tracker at none against LADYTIMER Period Tracker's shown. Flo Cycle & Period Tracker also leads on ratings volume (2M vs 432) and update cadence (every 9 days vs every 6 weeks). LADYTIMER Period Tracker's advantage is review sentiment (80% vs 46%) and iOS requirement (13.0 vs 17.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LADYTIMER Period Tracker sells 8 one-off in-app purchases and Flo Cycle & Period Tracker sells 10 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for LADYTIMER Period Tracker against 4.7 for Flo Cycle & Period Tracker. That said, the two scores are not equally well evidenced: Flo Cycle & Period Tracker has 2M ratings behind it against 432, so its average is the more settled of the two. Written reviews are what separate them: 80% of LADYTIMER Period Tracker's written reviews are positive against 46% of Flo Cycle & Period Tracker's.

UpkeepUpdate frequency

LADYTIMER Period Tracker ships an update every 6 weeks, Flo Cycle & Period Tracker every 9 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 5 level
LADYTIMER Period Tracker versus Flo Cycle & Period Tracker: the parameters behind the verdict, then further details
ParameterLADYTIMER Period TrackerFlo Cycle & Period Tracker
PriceFreeFree
Rating4.7 (432 ratings)4.7 (2M ratings) — better
Positive reviews79.6% of reviews — better46.0% of reviews
Number of ratings4322M — better
Update frequencyEvery 6 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#2 — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size24 MB332 MB
Age rating12+12+
DeveloperVipos.comFLO HEALTH UK LIMITED

Customer experience

LADYTIMER Period Tracker

All ratings432 ratings
Positive94.2%
Neutral1.9%
Negative3.9%
Written reviews720 reviews
Positive79.6%
Neutral4.7%
Negative15.7%

Flo Cycle & Period Tracker

All ratings2,002,880 ratings
Positive93.7%
Neutral2.8%
Negative3.4%
Written reviews9,228 reviews
Positive46.0%
Neutral11.4%
Negative42.6%

User reviews

LADYTIMER Period Tracker

From 432 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate period tracking
  • 💡 Helpful for planning pregnancy
  • 🤰 Useful for tracking ovulation
  • 📅 Convenient calendar features

Room to improve

  • 🐛 Bugs and crashes
  • 💸 Too many ads
  • 🔒 Privacy concerns
  • 🔄 Difficulty changing data

Flo Cycle & Period Tracker

From 2M App Store ratings

What we love

  • 🚀 Accurate period predictions
  • 📊 Helpful insights and information
  • 🤝 Supportive community
  • 🗓️ Useful tracking features
  • 💻 Great app design and interface

Room to improve

  • 💰 Excessive push for premium subscription
  • 🔒 Privacy concerns around data sharing
  • 🤖 Lack of inclusivity for non-binary users
  • 🚫 Paywall for basic health information
  • 🙄 Annoying notifications and ads

Bugs and requests

LADYTIMER Period Tracker

Reported bugs

3 issues
  • App not opening
  • Data not saving properly
  • Incompatibility with updates

Requested features

3 requests
  • Sync with health apps
  • More customization options
  • Improved chat/community features

Flo Cycle & Period Tracker

Reported bugs

4 issues
  • Inaccurate period/ovulation predictions
  • Inability to edit cycle data
  • Disappearing articles and insights
  • Syncing issues with other health apps

Requested features

6 requests
  • Custom symptom tracking options
  • Improved pregnancy tracking features
  • Menstrual migraine tracking
  • Breastfeeding/postpartum tracking
  • Expanded community features
Show 1 more
  • More localized content and insights

In-app purchases

8 purchases

LADYTIMER Period Tracker

One-time8
  • Themes$0.99
  • AI assistant$1.99
  • AI Assistant$1.99
Show 5 more
  • Remove Ads2 variants$3.99
  • Pro Version$5.99
  • Ladytimer Pro$5.99
  • AI Assistant$6.99
  • AI Assistant$19.99
10 purchases

Flo Cycle & Period Tracker

Subscriptions10
  • Flo Premium7 Days trial$1.997 Days
  • Flo Premium$1.997 Days
  • Flo Premium7 Days trial$7.497 Days
Show 7 more
  • Flo Ovulation & Health tracker$11.491 Month
  • Flo Premium$14.991 Year
  • Flo Ovulation & Health tracker$14.991 Month
  • Flo Birth Control Reminder14 Days trial$43.991 Year
  • Flo Premium$47.991 Year
  • Flo Pregnancy Tracker7 Days trial$49.991 Year
  • Flo Premium14 Days trial$59.991 Year

Questions

Is LADYTIMER Period Tracker free?
LADYTIMER Period Tracker is free to download, with in-app purchases available.
Is Flo Cycle & Period Tracker free?
Flo Cycle & Period Tracker is free to download, with in-app purchases available.
Which has better reviews, LADYTIMER Period Tracker or Flo Cycle & Period Tracker?
Flo Cycle & Period Tracker is rated higher. LADYTIMER Period Tracker averages 4.7 out of 5 from 432 ratings, while Flo Cycle & Period Tracker averages 4.7 from 2M ratings.
Do LADYTIMER Period Tracker or Flo Cycle & Period Tracker have ads?
LADYTIMER Period Tracker shows ads; Flo Cycle & Period Tracker does not.
Which is updated more often, LADYTIMER Period Tracker or Flo Cycle & Period Tracker?
LADYTIMER Period Tracker ships an update every 6 weeks, and Flo Cycle & Period Tracker every 9 days. Most recently, LADYTIMER Period Tracker was updated on November 1, 2026 and Flo Cycle & Period Tracker on November 4, 2026.

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