Comparison

Chart Neo 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

Chart Neo

This app simplifies menstrual cycle tracking by combining proven methods into an easy-to-use interface. It offers fast recording, offline functionality, and detailed chart viewing, with an accompanying web portal for advanced features and advisor interaction.

Highlights
  • Combines proven charting methods
  • Fast and easy sign recording
  • Offline functionality
  • View historical charts
  • Web portal access
  • Share with spouse/devices
  • Apple Watch companion app
Features
Read full description

Creighton. Sympto-Thermal. Marquette. Billings. So many different methods to track your menstrual cycle. It can be confusing to find one that works for you. Neo takes the proven elements from these and many others to create an easy, fast, and powerful way to chart. - Free *45 Day* trial. We want to be sure the app is working well for you! Very low cost afterward. - Starts up faster than any other charting app. Super easy to record your sign and get on with your life. - Still works without a cell or WiFi signal. Often there is not a good signal where you may be recording your signs! - View your chart on your device, going as far back as you like. View multiple cycles at once! - Access to a powerful web portal where you can create PDFs of your chart, interact with an advisor, and more. - Share with your spouse! Share your account across multiple devices. - Apple Watch companion app - Optional HealthKit integration - Continuous updates and new features added thanks to feedback from users

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

Chart Neo3 screens
Read Your Body4 screens

Verdict

The call

The clearest difference is rating: Chart Neo at 4.8 against Read Your Body's 4.4. Chart Neo also leads on iOS requirement (13.6 vs 15.0). On price, review sentiment, ratings volume and update cadence 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. Chart Neo sells 2 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

Chart Neo holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 72 and 195 respectively. Written reviews complicate that: 80% of Chart Neo's written reviews are positive against 81% of Read Your Body's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Chart Neo ships an update every 6 weeks, Read Your Body monthly. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Chart Neo versus Read Your Body: the parameters behind the verdict, then further details
ParameterChart NeoRead Your Body
PriceFreeFree
Rating4.8 (72 ratings) — better4.4 (195 ratings)
Positive reviews79.5% of reviews80.7% of reviews — better
Number of ratings72195 — better
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.6 — better15.0
Further details — not scored
Size15 MB159 MB
Age rating12+17+
DeveloperNeoFertility LLCThe Body Literacy Collective CIC

Customer experience

Chart Neo

All ratings72 ratings
Positive97.2%
Neutral2.8%
Negative0.0%
Written reviews44 reviews
Positive79.5%
Neutral4.5%
Negative15.9%

Read Your Body

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

Bugs and requests

Chart Neo

Not enough reviews yet to summarise bugs or requests.

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

2 purchases

Chart Neo

One-time2
  • One Year of Chart Neo$19.99
  • Cycle Charting Basics$99.99
2 purchases

Read Your Body

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

Questions

Is Chart Neo free?
Chart Neo 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, Chart Neo or Read Your Body?
Chart Neo is rated higher. Chart Neo averages 4.8 out of 5 from 72 ratings, while Read Your Body averages 4.4 from 195 ratings.
Do Chart Neo or Read Your Body have ads?
Neither Chart Neo nor Read Your Body shows ads.
Which is updated more often, Chart Neo or Read Your Body?
Chart Neo ships an update every 6 weeks, and Read Your Body monthly. Most recently, Chart Neo was updated on September 24, 2026 and Read Your Body on September 19, 2026.

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