Comparison

Tempdrop vs Marquette NFP™ Pro

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

Head to head
About

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.

Highlights
  • Basal body temperature tracking
  • Ovulation pinpointing
  • Menstrual cycle prediction
  • Hormonal fluctuation correlation
  • Fertility awareness support
Features
Read full description

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

About

Marquette NFP™ Pro

This app uses a research-backed algorithm to provide clear insights into fertility, helping couples achieve or avoid pregnancy with confidence. It offers non-predictive charting, customizable biomarker settings, and easy chart sharing with instructors.

Highlights
  • Non-predictive charting
  • Research-backed algorithm
  • Customizable biomarker settings
  • Easy-to-read charts
  • Instructor communication
  • Fertility insights
Features
Read full description

Say Goodbye to clunky paper charts and hello to the Marquette NFP™ Pro charting app! Unlike predictive apps, Marquette NFP™ Pro app uses the research-backed algorithm developed by The Boland Institute for Natural Family Planning (INFP) to give you clear insights into your fertility. With a 98% accuracy rate, Marquette Method offers couples a natural, reliable way to joyfully embrace their fertility. Marquette NFP™ Pro makes charting using the method simple. With clear, easy to interpret charts, couples are able to achieve or avoid pregnancy with confidence. PLEASE NOTE: We recommend learning the Marquette Method from a Marquette Method Certified Professional (MMCP) before relying on the app for Natural Family Planning decisions. Key Features: ● NON-PREDICTIVE CHARTING. Instead of predicting fertile windows and menses, the app uses the proven Marquette Algorithm to determine periods of fertility based on daily data input. ● EASY-TO-READ CHARTS Clear charts allow users to better view their cycle overview and share it with an instructor to get help if needed. ● CUSTOMIZABLE BIOMARKER SETTINGS. Couples can choose which biomarkers to track! Allowing for users to add additional biomarkers such as temp and LH tests to their charts. ● COMMUNICATE WITH YOUR INSTRUCTOR. Clear easy to read charts make it easy for the couple to see and understand their fertility. Easy export options allow couples to easily share their chart with their MMCP for personalized conversation and feedback! “The new app will now make the Marquette Method of NFP easier to access, learn, and use… [It] is a true device to help women monitor their menstrual cycle as a vital sign for health.” – DR. RICHARD FEHRING, Ph.D., RN, FAAN, Professor Emeritus at Marquette University College of Nursing, and a research scientist at the Boland Institute for Natural Family Planning. The Marquette NFP™ Pro app is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Subscription Required. Marquette NFP™ Pro requires an active subscription to access the app. An active subscription provides full access to all app features, including non-predictive charting, easy to read charts, and personalized insights based on the Marquette Method of Natural Family Planning. DEVELOPED BY MARQUETTE UNIVERSITY’S BOLAND INSTITUTE FOR NATURAL FAMILY PLANNING IN ACCORDANCE WITH THE TEACHINGS OF THE CATHOLIC CHURCH For more information, visit our website at www.marquettenfppro.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tempdrop4 screens
Marquette NFP™ Pro4 screens

Verdict

The call

The clearest difference is rating: Tempdrop at 4.2 against Marquette NFP™ Pro's 3.4. Tempdrop also leads on review sentiment (39% vs 0%) and monetization model (free with in-app purchases vs subscription). Marquette NFP™ Pro's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tempdrop sells 6 in-app purchases, starting at $2.99 per month and Marquette NFP™ Pro sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tempdrop holds the better App Store score, 4.2 against 3.4. That said, the two scores are not equally well evidenced: Tempdrop has 714 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 39% of Tempdrop's written reviews are positive against 0% of Marquette NFP™ Pro's.

UpkeepUpdate frequency

Tempdrop ships an update every 2 months, Marquette NFP™ Pro every 3 weeks. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

Scorecard5 real differences · 5 level
Tempdrop versus Marquette NFP™ Pro: the parameters behind the verdict, then further details
ParameterTempdropMarquette NFP™ Pro
PriceFreeFree
Rating4.2 (714 ratings) — better3.4 (5 ratings)
Positive reviews38.7% of reviews — better0.0% of reviews
Number of ratings714 — better5
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.3
Further details — not scored
Size107 MB111 MB
Age rating17+17+
DeveloperTempdrop IncMarquette NFP Pro LLC

Customer experience

Tempdrop

All ratings714 ratings
Positive80.3%
Neutral6.2%
Negative13.6%
Written reviews168 reviews
Positive38.7%
Neutral18.5%
Negative42.9%

Marquette NFP™ Pro

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

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

Marquette NFP™ Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Tempdrop

Subscriptions6
  • 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
Show 3 more
  • 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
4 purchases

Marquette NFP™ Pro

Subscriptions4
  • Instructor Monthly1 Month trial$6.991 Month
  • Monthly1 Month trial$9.991 Month
  • Instructor Yearly1 Month trial$59.991 Year
Show 1 more
  • Yearly1 Month trial$69.991 Year

Questions

Is Tempdrop free?
Tempdrop is free to download, with in-app purchases available.
Is Marquette NFP™ Pro free?
Marquette NFP™ Pro is free to download, with in-app purchases available.
Which has better reviews, Tempdrop or Marquette NFP™ Pro?
Tempdrop is rated higher. Tempdrop averages 4.2 out of 5 from 714 ratings, while Marquette NFP™ Pro averages 3.4 from 5 ratings.
Do Tempdrop or Marquette NFP™ Pro have ads?
Neither Tempdrop nor Marquette NFP™ Pro shows ads.
Which is updated more often, Tempdrop or Marquette NFP™ Pro?
Tempdrop ships an update every 2 months, and Marquette NFP™ Pro every 3 weeks. Most recently, Tempdrop was updated on October 26, 2026 and Marquette NFP™ Pro on October 19, 2026.

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