FEMM Period Ovulation Tracker vs Tempdrop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FEMM Period Ovulation Tracker
This app helps women track their menstrual cycles, symptoms, and fertility. It offers insights into hormonal health and connects users with healthcare professionals for personalized care and education.
- Cycle and period tracking
- Symptom logging (physical & emotional)
- Daily data input reminders
- Cycle pattern charts
- Medication tracking
- Shareable health charts
- Hormone knowledge base
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Are you looking to track your menstrual cycles and symptoms, get pregnant or avoid pregnancy? The FEMM app is more than just a period tracker: it provides you with cutting edge science that helps you keep track of your health, understand what is going on with your body, flag potential issues and connect with a network of doctors and nurses to provide you the best health care. We’re a new revolution in women’s health! Empower yourself and be an active player in your health care with our easy to use app! FEATURES * Easy data input to track your cycle or period. * Track physical and emotional symptoms to better diagnose potential health problems. * Daily reminder. Never forget to input your data through our app's notification feature. * View several Charts on a screen to help you understand your patterns. * Track medications you are currently taking. * Email and/or print your charts to share with your doctor, friends or family * Various view styles let you see and interpret your cycles better: calendar view, chart view and the detailed chart view, which let you see your symptoms. * Understand your health and the interplay of hormones in your body through our knowledge base. CONTACT OUR TEAM TO HELP YOU FIND: * a FEMM-trained doctor or FEMM health center near you * a FEMM teacher who can teach you how to chart and understand the interplay of hormones in your body
Tempdrop
This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.
- Basal body temperature tracking
- Ovulation pinpointing
- Menstrual cycle prediction
- Hormonal fluctuation correlation
- Fertility awareness support
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The Tempdrop app is designed to complement the Tempdrop device - a personalized user-specific thermometer that captures minute temperature variations throughout the night to pinpoint the basal body temperature. Detected variations in temperature correlate with hormonal fluctuations throughout the menstrual cycle. When used with the Tempdrop device, this app can help users to pinpoint ovulation and effectively track and predict the varying phases of the cycle. Disclaimer: The Tempdrop sensor and app are intended as complementary instruments to enhance your ability to monitor your fertility and share health details. The app and its wearable sensor, in themselves, are not, nor are they intended to be, a fertility monitor, a substitute for contraception, or a birth control method. We recognize the need of some to use the data and information provided to support ongoing health and menstrual cycle tracking, however, it is important to note that this should NOT be used as a substitute for an in-presence qualified professional, medical analysis, advice, guidance, or treatment. We strongly advise seeking a qualified Fertility Awareness instructor or other self-teaching resources to learn a symptothermal method and support your fertility journey. The provided interpretations and prediction guidelines are not suitable for use with irregular cycles. Optimal performance is dependent on correct and consistent use. Individual usage, wearing, input, and circumstances can affect the data. The user is fully responsible for the individual data inputs. The Tempdrop Sensor is approved for use in the USA, and is registered in the FDA database under registration number 3016099071. The device is classified as "Device, Fertility Diagnostic, Proceptive”. A link to the terms of use - https://www.tempdrop.com/pages/tos A link to the privacy policy - https://www.tempdrop.com/pages/privacy-policy
Screenshots
Verdict
The clearest difference is rating: FEMM Period Ovulation Tracker at 4.8 against Tempdrop's 4.2. FEMM Period Ovulation Tracker also leads on in-app purchases (none vs 6) and review sentiment (65% vs 39%). On price, update cadence, ads and device support 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
Both are free to download. Tempdrop sells 6 in-app purchases, starting at $2.99 per month. FEMM Period Ovulation Tracker asks for nothing beyond the download.
FEMM Period Ovulation Tracker holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: FEMM Period Ovulation Tracker has 4.1K ratings behind it against 711, so its average is the more settled of the two. Written reviews point the same way: 65% of FEMM Period Ovulation Tracker's written reviews are positive against 39% of Tempdrop's.
FEMM Period Ovulation Tracker ships an update every 4 months, Tempdrop every 2 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.
| Parameter | FEMM Period Ovulation Tracker | Tempdrop |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.1K ratings) — better | 4.2 (711 ratings) |
| Positive reviews | 65.3% of reviews — better | 38.7% of reviews |
| Number of ratings | 4.1K — better | 711 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 103 MB |
| Age rating | 4+ | 17+ |
| Developer | FEMM Foundation | Tempdrop Inc |
Customer experience
FEMM Period Ovulation Tracker
Tempdrop
User reviews
FEMM Period Ovulation Tracker
From 4.1K App Store ratingsWhat we love
- 💻 User-friendly interface
- 🔍 Detailed cycle tracking
- 🧠 Informative health insights
- 🤝 Helpful for natural family planning
- 🙌 Empowering for women's health
Room to improve
- 🐛 Glitches and bugs with recent updates
- 🕰️ Redundant date/cycle prompts
- 🤔 Limited customization options
- 🔍 Lack of export/sharing features
- 🤷♀️ Confusing navigation at times
Tempdrop
From 711 App Store ratingsWhat we love
- 🚀 Convenient and easy to use
- 🚀 Accurate temperature tracking
- 👍 Helpful for fertility awareness and family planning
- 👍 Empowering for understanding one's body
- 👍 Useful for tracking hormonal fluctuations
Room to improve
- 🐛 Issues with app syncing and functionality
- 🔍 Limited symptom and data tracking options
- 💰 Expensive device and subscription model
- 👎 Poor customer service and support
- 👎 Unreliable hardware and short device lifespan
Bugs and requests
FEMM Period Ovulation Tracker
Reported bugs
4 issues- App crashes on opening after iOS updates
- Date/cycle tracking gets mixed up or stuck
- Symptom/observation data not saving properly
- Analysis/charting features not functioning as expected
Requested features
6 requests- Add option to track seminal fluid observations
- Integrate with Apple Health for seamless data sync
- Expand mood/emotion tracking options
- Improve date/cycle navigation and data entry
- Provide better postpartum/breastfeeding support
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- Offer calendar view in addition to chart view
Tempdrop
Reported bugs
4 issues- App crashes and freezes
- Issues with syncing device data
- Inaccurate cycle predictions and phase tracking
- Temperature data changes over time
Requested features
5 requests- Improved sleep tracking capabilities
- More customizable symptom and data tracking
- Ability to manually confirm ovulation
- Integration with other fertility/health apps
- Support for irregular cycles and postpartum/breastfeeding phases
In-app purchases
FEMM Period Ovulation Tracker
No in-app purchases
Tempdrop
- Tempdrop Promo Premium monthly2 Months trial$2.991 Month
- Tempdrop Premium monthly2 Months trial$6.001 Month
- Tempdrop Promo Premium quarterly2 Months trial$7.993 Months
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- Tempdrop Premium quarterly2 Months trial$15.003 Months
- Tempdrop Promo Premium yearly2 Months trial$24.991 Year
- Tempdrop Premium yearly*2 Months trial$48.001 Year
Questions
Is FEMM Period Ovulation Tracker free?
Is Tempdrop free?
Which has better reviews, FEMM Period Ovulation Tracker or Tempdrop?
Do FEMM Period Ovulation Tracker or Tempdrop have ads?
Which is updated more often, FEMM Period Ovulation Tracker or Tempdrop?
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