Comparison

NFP Charting vs Read Your Body

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

Head to head
About

NFP Charting

Track your Natural Family Planning (NFP) charts online using the Billings Ovulation Method. This app allows you to enter data, share charts with your teacher, and view current and previous cycles. It is designed for users already trained in the Billings Ovulation Method.

Highlights
  • Track NFP charting data online
  • Share charts with teachers
  • Email charts
  • View current and previous cycles
  • Leave notes for teachers
  • Access from computer
Features
Read full description

Allows one free month of NFP Charting. The NFP Charting application allows you to keep track of your NFP chart online. (Note: This app is meant to be used with the Billings Ovulation Method of NFP Charting. There is no support for the Sympto-Thermal method.) This utility is not designed to teach you proper use of the Billings Ovulation Method of Natural Family Planning. It will not be useful to you unless you have been trained by a WOOMB certified teacher. You can find the nearest WOOMB certified teacher at http://www.boma-usa.com (for the United States) or http://www.WOOMB.org worldwide. FEATURES: -Enter your NFP Charting data from anywhere -Share your chart with your teacher -Email your chart to anyone -View your current cycle as well as your previous one -Leave notes for your teacher -Access your cycle from a computer at http://www.nfpcharting.com

About

Read Your Body

This app helps users understand their unique menstrual cycle patterns through customizable tracking of symptoms, lifestyle, and fertility indicators. It prioritizes user privacy with on-device data storage and offers science-based educational content. Ideal for those tracking periods, fertility, or managing irregular cycles.

Highlights
  • Customizable period and symptom tracking
  • Fertility charting with BBT and Tempdrop integration
  • Privacy-focused on-device data storage
  • Science-based educational content
  • Data import from other cycle apps
  • Support for irregular cycles, pregnancy, and postpartum
Features
Read full description

Female-led, non-profit, privacy-focused menstrual cycle app. Read Your Body (RYB) is highly customisable for understanding your unique patterns. Loved and trusted by users worldwide. 100% community-driven and user-funded. Try free for 30 days then it’s a small monthly / annual payment. PRIVACY FIRST By default all charting data is stored only on your device to care for your privacy. Use the app without ever entering your name or email address if you wish! Export or delete your charting data at any time. Register for an optional account for encrypted data backups & educational emails. PERIOD TRACKING *Period tracking mode with unlimited symptoms & lifestyle tracking including exercise, mood, stress, ovulation pain, cramps, self-care *Create your own custom tracking items to track what matters most for you *Upload daily notes, journal entries & photos *Enjoy dark mode & moon phases *Import your cycle data from other apps including Flo & Clue *Review your cycle trends including cycle length variation over time *Grow your menstrual cycle knowledge with our science-based content including menstrual cycle phases, hormones & top tips for cyclical living FERTILITY CHARTING *Customisable cervical fluid categories, sensation & cervix tracking *Basal body temperature (BBT), Tempdrop integration *Hormone tests (LH, progesterone, pregnancy, Clearblue monitor) *Mark all of your own interpretations including peak day, temperature rise, coverline & fertile days *Import your cycle data from other apps including Natural Cycles, Kindara & Fertility Friend *Review your cycle stats including cycle length, peak day & luteal phase length variation over time *Choose a settings template that perfectly matches your chosen natural family planning (NFP) / fertility awareness-based method (FABM) *Approved by institutes including SymptoPro, FEMM, Justisse, Marquette Method Professionals Association *Export your charts as images to share with your fertility awareness educator IRREGULAR CYCLES PCOS PERIMENOPAUSE *No predictions or algorithms makes Read Your Body ideal for use with irregular menstrual cycles *Set up custom tracking items for symptoms, medication, self-care *Export your charts as images to share with your healthcare provider PREGNANCY POSTPARTUM *Track pregnancy progress based on presumed ovulation day rather than last menstrual period for a more accurate estimated due date *Set up custom tracking items for pregnancy symptoms, breastfeeding, weaning SUPPORT Friendly, responsive support provided by our female-led team. Connect with us through the app: Menu > Support > Contact us Or via email: hello@readyourbody.com Whether you’re tracking your periods & symptoms, looking to understand your hormones or support your wellbeing, coming off hormonal birth control, trying to avoid pregnancy or conceive, pregnant or postpartum, moving through perimenopause - we’re here for you! YOUR DATA IN YOUR HANDS Note: Read Your Body is a data recording tool. It is not a contraceptive device or a medical device. It puts full responsibility for all tracking goals & outcomes in your hands. https://readyourbody.com/privacy-terms/

Screenshots

NFP Charting4 screens
Read Your Body4 screens

Verdict

The call

NFP Charting and Read Your Body both sit at 4.3 stars, but that hides the real split: 81% of Read Your Body's written reviews are positive against 49% of NFP Charting's. Read Your Body also leads on update cadence (monthly vs every 4 months) and ratings volume (195 vs 6). NFP Charting's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ads and in-app purchases 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. NFP Charting sells 6 one-off in-app purchases and Read Your Body sells 2 in-app purchases, starting at $2.69 per month. 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 — 4.3 for NFP Charting against 4.4 for Read Your Body. That said, the two scores are not equally well evidenced: Read Your Body has 195 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 49% of NFP Charting's written reviews are positive against 81% of Read Your Body's.

UpkeepUpdate frequency

NFP Charting ships an update every 4 months, Read Your Body monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
NFP Charting versus Read Your Body: the parameters behind the verdict, then further details
ParameterNFP ChartingRead Your Body
PriceFreeFree
Rating4.3 (6 ratings)4.4 (195 ratings) — better
Positive reviews49.3% of reviews80.7% of reviews — better
Number of ratings6195 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size6 MB159 MB
Age rating4+17+
DeveloperLawson CulverThe Body Literacy Collective CIC

Customer experience

NFP Charting

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews69 reviews
Positive49.3%
Neutral5.8%
Negative44.9%

Read Your Body

All ratings195 ratings
Positive83.1%
Neutral5.1%
Negative11.8%
Written reviews150 reviews
Positive80.7%
Neutral4.7%
Negative14.7%

User reviews

NFP Charting

From 6 App Store ratings

What we love

  • 👍 Convenient chart access on phone
  • 👍 Replaces paper charts
  • 👍 Compatible with Creighton/Billings
  • 👍 Easy to share with instructor/doctor
  • 👍 Good for tracking fertility

Room to improve

  • 💸 Expensive subscription fees
  • 💸 Not a one-time purchase option
  • 💸 Perceived as a rip-off
  • 🐛 App crashes/stops working
  • 🐛 Website down

Read Your Body

From 195 App Store ratings

What we love

  • 👍 Customizable and flexible
  • 🚀 Integrates well with Tempdrop
  • 🔒 Respects user privacy
  • 💡 Comprehensive charting features
  • 👍 User-friendly interface

Room to improve

  • 🐛 Slow performance and lagging issues
  • 🐛 Subscription issues on sign-in
  • 🐛 Incompatibility with iPad
  • 🐛 Confusing for new users
  • 🐛 Partner notification feature not working as expected

Bugs and requests

NFP Charting

Reported bugs

12 issues
  • Unable to log in
  • App stopped working
  • Website is down
  • Overlapping/misaligned on iPhone
  • Email version not printable
Show 7 more
  • Crashes and freezes constantly
  • View All charts in ascending order
  • Accidentally delete info and cannot undo
  • App crashes on launch
  • App crashes every time opened
  • App doesn't work
  • App doesn't recognize password

Requested features

11 requests
  • Ability to send one chart at a time
  • Update app for iPhone compatibility
  • Make chart printable (PDF)
  • Improve interface/design
  • Add temperature tracking
Show 6 more
  • Option for one-time purchase
  • Undo delete action
  • Offline component for iPod users
  • Notation on entry screen for symbols
  • Lower subscription fee
  • Creighton-specific app

Read Your Body

Reported bugs

3 issues
  • Login issues after reinstalling the app
  • Inability to import data from other apps
  • Inconsistent app performance after recent updates

Requested features

5 requests
  • Add predictive features for periods and ovulation
  • More customization options for intimacy tracking
  • Ability to sync data with partner
  • More emoji options for charting
  • Improved calendar view and cycle overview

In-app purchases

6 purchases

NFP Charting

One-time6
  • One Month Account Extension$2.99
  • One Month$2.99
  • Six Months Account Extension$11.99
Show 3 more
  • Six Months$14.99
  • One Year Account Extension$19.99
  • One Year$24.99
2 purchases

Read Your Body

Subscriptions2
  • Monthly supporter1 Month trial$2.691 Month
  • Annual supporter1 Month trial$20.991 Year

Questions

Is NFP Charting free?
NFP Charting is free to download, with in-app purchases available.
Is Read Your Body free?
Read Your Body is free to download, with in-app purchases available.
Which has better reviews, NFP Charting or Read Your Body?
Read Your Body is rated higher. NFP Charting averages 4.3 out of 5 from 6 ratings, while Read Your Body averages 4.4 from 195 ratings.
Do NFP Charting or Read Your Body have ads?
Neither NFP Charting nor Read Your Body shows ads.
Which is updated more often, NFP Charting or Read Your Body?
NFP Charting ships an update every 4 months, and Read Your Body monthly. Most recently, NFP Charting was updated on October 23, 2026 and Read Your Body on October 24, 2026.

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