Best Creighton Model Apps

47+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated October 2026

Looking for free creighton model apps? 19 of our 47+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Creighton Model Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Chart35Chart35Free5.0★ (1)NoNoOct 2026
2NFP ChartingNFP ChartingFree4.3★ (6)NoYesMay 2026
3NFP CalendarNFP CalendarFree4.7★ (3)NoYesOct 2026
4Chart NeoChart NeoFree4.8★ (72)NoYesOct 2026
5FEMM Period Ovulation TrackerFEMM Period Ovulation TrackerFree4.8★ (4.1K)NoNoNov 2026
6Model NearModel NearFree—NoNoJul 2026
7Model EngineerModel EngineerFree4.4★ (12)NoYesNov 2026
8Creighton UniversityCreighton UniversityFree—NoNoSep 2026

Top Picks for Creighton Model

Chart35#1

Chart35 by Stephens Page LLC

Creighton Model charting
Editor's Choice
💪 Health & Fitness
5.0(1 ratings)
Free
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This app helps users privately track their fertility observations using the Creighton Model FertilityCare System. It offers offline functionality, color-coded stamps, and various chart views. Users can securely share their data with practitioners.

4.3😐(6 ratings)
FreeIn-App Purchases
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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.

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
  • 👍 Useful for travel
  • 👍 Customer service responsive
  • 👍 Real-time access
  • 👍 Simple and to the point

Room to Improve

  • 💸 Expensive subscription fees
  • 💸 Not a one-time purchase option
  • 💸 Perceived as a rip-off
  • 🐛 App crashes/stops working
  • 🐛 Website down
  • 🐛 Overlapping/misaligned on iPhone
  • 🐛 Not printable
  • 🐛 Interface is old/unappealing
  • 🐛 Difficult to maneuver/use
  • 🐛 Crashes and freezes constantly
  • 🐛 Charts in ascending order
  • 🐛 No temperature tracking
  • 🐛 Too easy to accidentally delete
  • 🐛 Not user-friendly
  • 🐛 No tutorial or help with symbols
  • 🐛 Not all Creighton descriptions included
  • 🐛 Clunky interface
  • 🐛 Ugly interface
  • 🐛 Needs to be rewritten
  • 🐛 No offline component
  • 🐛 No instructions
  • 🐛 No place for temps
  • 🐛 Subscription fee surprise
NFP Calendar#3

NFP Calendar by Esteban Cervera

Natural Family Planning Chart
Worth Considering
💪 Health & Fitness
4.7(3 ratings)
Free
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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.

More Creighton Model apps to explore

FAQ about Creighton Model

What are the best creighton model apps for iPhone?
Chart35 tops our creighton model apps ranking as of October 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 19 of the top creighton model apps we rank are free to download, including Chart35 and NFP Charting.
Chart35 has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 47+ creighton model apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.