NFP Charting vs Read Your Body
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Track NFP charting data online
- Share charts with teachers
- Email charts
- View current and previous cycles
- Leave notes for teachers
- Access from computer
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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
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | NFP Charting | Read Your Body |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) | 4.4 (195 ratings) — better |
| Positive reviews | 49.3% of reviews | 80.7% of reviews — better |
| Number of ratings | 6 | 195 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 159 MB |
| Age rating | 4+ | 17+ |
| Developer | Lawson Culver | The Body Literacy Collective CIC |
Customer experience
NFP Charting
Read Your Body
User reviews
NFP Charting
From 6 App Store ratingsWhat 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 ratingsWhat 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
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- 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
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- 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
NFP Charting
- One Month Account Extension$2.99
- One Month$2.99
- Six Months Account Extension$11.99
Show 3 moreShow fewer
- Six Months$14.99
- One Year Account Extension$19.99
- One Year$24.99
Read Your Body
- Monthly supporter1 Month trial$2.691 Month
- Annual supporter1 Month trial$20.991 Year
Questions
Is NFP Charting free?
Is Read Your Body free?
Which has better reviews, NFP Charting or Read Your Body?
Do NFP Charting or Read Your Body have ads?
Which is updated more often, NFP Charting or Read Your Body?
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