Comparison

NFP Calendar vs NFP Tracker

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

Head to head
About

NFP Calendar

Track your fertility naturally using various methods like Creighton or Billings. Record daily observations, manage your cycle, and export data for your instructor or doctor. Designed specifically for Natural Family Planning users.

Highlights
  • Record mucus observations
  • Track menstrual flow
  • Log intercourse timing
  • Automatic cycle detection
  • Generate PDF charts
  • Export data as JSON
  • iCloud sync
Features
Read full description

Track your fertility naturally with a beautiful, intuitive charting app designed for Natural Family Planning methods. NFP Calendar helps you record daily fertility observations following Creighton Model, Billings, or other mucus-based NFP methods. Whether you're trying to conceive or avoid pregnancy naturally, this app gives you everything you need to chart with confidence. DAILY CHARTING MADE SIMPLE - Record mucus observations: color, sensation, and stretch - Track menstrual flow intensity (heavy, moderate, light, spotting) - Log intercourse timing and frequency - Mark peak days and cycle starts - Add personal notes to any day POWERFUL CYCLE MANAGEMENT - Automatic cycle detection and numbering - Smart handling of spotting vs. true periods - View your complete cycle history at a glance - Navigate cycles easily with calendar and list views EXPORT & BACKUP - Generate beautiful PDF charts for your instructor or doctor - Export your data as JSON for backup - iCloud sync keeps your data safe across devices DESIGNED FOR NFP USERS Built specifically for fertility awareness methods, not just another period tracker. Every feature is tailored to the vocabulary and workflow of NFP charting. Your fertility data stays private on your device. No account required. Start charting your fertility journey today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://estebancervera.github.io/nfp-support/

About

NFP Tracker

Features
Read full description

NFP Tracker is a privacy-first charting app for individuals or couples practicing natural family planning. Log the observations you already track each day in one simple place: • Bleeding • Monitor readings • Mucus observations • Temperature • Symptoms • Notes Designed to replace paper charts and spreadsheets, NFP Tracker helps you keep consistent records and review your cycle history over time. Features: • Daily observation tracking • Shared access for spouses • Calendar and cycle history views • Reminders to log observations • CSV and PDF export options • Support for multiple NFP approaches, including Marquette, Creighton, Billings, and sympto-thermal tracking NFP Tracker provides educational summaries based on the data you enter. It is intended for tracking and recordkeeping only and does not provide medical advice, diagnosis, or treatment. Consult a licensed clinician or certified instructor for interpretation and guidance. NFP Tracker Terms of Use: https://nfptracker.com/terms NFP Tracker Privacy Policy: https://nfptracker.com/privacy Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

NFP Calendar4 screens
NFP Tracker3 screens

Verdict

The call

The clearest difference is in-app purchases: NFP Calendar at none against NFP Tracker's 2. NFP Tracker's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (15.0 vs 26.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NFP Tracker sells 2 in-app purchases, starting at $9.99 per month. NFP Calendar asks for nothing beyond the download.

UpkeepUpdate frequency

NFP Calendar ships an update every 2 months, NFP Tracker every 5 days. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
NFP Calendar versus NFP Tracker: the parameters behind the verdict, then further details
ParameterNFP CalendarNFP Tracker
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size8 MB29 MB
Age rating12+17+
DeveloperEsteban CerveraMitchell Fisher

In-app purchases

None

NFP Calendar

No in-app purchases

2 purchases

NFP Tracker

Subscriptions2
  • Access (monthly)$9.991 Month
  • Access (yearly)$64.991 Year

Questions

Is NFP Calendar free?
NFP Calendar is free to download, with no in-app purchases.
Is NFP Tracker free?
NFP Tracker is free to download, with in-app purchases available.
Do NFP Calendar or NFP Tracker have ads?
Neither NFP Calendar nor NFP Tracker shows ads.
Which is updated more often, NFP Calendar or NFP Tracker?
NFP Calendar ships an update every 2 months, and NFP Tracker every 5 days. Most recently, NFP Calendar was updated on October 22, 2026 and NFP Tracker on October 6, 2026.

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