1. Home
  2. Topics
  3. Billings Method

Best Billings Method Apps

14+ iOS apps curated and reviewed

3.9 avg rating
13 free apps
Updated August 2026

Out of 14+ billings method apps on iOS, 13 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Billings Method Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BillingsAppTMBillingsAppTMFree3.4★ (17)NoYesSep 2026
2NFP ChartingNFP ChartingFree4.3★ (6)NoYesMay 2026
3billingsMentor®billingsMentor®$4.991.0★ (1)NoNoAug 2026
4BillingsBillingsFree—NoNoAug 2026
5WhatsApp MessengerWhatsApp MessengerFree4.7★ (19M)YesYesOct 2026
6BILL AP & AR Business PaymentsBILL AP & AR Business PaymentsFree4.9★ (49K)NoNoOct 2026
7EvelynEvelynFree—NoYesJul 2026
8Billings Pro - Time & InvoiceBillings Pro - Time & InvoiceFree2.0★ (26)NoYesSep 2026

Top Picks for Billings Method

NFP Charting#2

NFP Charting by Lawson Culver

Strong Contender
💪 Health & Fitness
4.3😐(6 ratings)
FreeIn-App Purchases
NFP Charting screenshot 1
NFP Charting screenshot 2
NFP Charting screenshot 3
NFP Charting screenshot 4
NFP Charting screenshot 5

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
billingsMentor®#3

billingsMentor® by Webmatics Pty Ltd

Worth Considering
💪 Health & Fitness
1.0(1 ratings)
$4.99
billingsMentor® screenshot 1
billingsMentor® screenshot 2
billingsMentor® screenshot 3
billingsMentor® screenshot 4
billingsMentor® screenshot 5
billingsMentor® screenshot 6

This app helps you observe, record, and interpret fertility symptoms using the Billings Method. It generates fertility charts, identifies peak days, and predicts menstruation, aiding in achieving or avoiding pregnancy. It offers an intuitive visual format and supports multiple languages.

More Billings Method apps to explore

FAQ about Billings Method

What are the best billings method apps for iPhone?
BillingsAppTM tops our billings method apps ranking as of August 2026, with a 3.4-star average from 17 App Store ratings, and it's free to download.
Yes — 13 of the top billings method apps we rank are free to download, including BillingsAppTM and NFP Charting.
BillingsAppTM has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 14+ billings method apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.