NFP Charting vs BillingsAppTM
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
BillingsAppTM
Track your fertility using the Billings Ovulation Method® with daily entries and chart sharing. Access premium features like direct teacher contact, chart printing, and custom color palettes through a subscription.
- Daily entry registration
- Spouse and device linking
- Share chart with teacher
- Save charts securely
- Offline registration
- Direct teacher questions
- Print and email charts
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With our Free Version you will be able to: 1) Register daily entries using the Billings Ovulation Method® Chart 2) Link your account with your spouse and with all your mobile devices 3) Contact and share your chart with an Accredited Teacher 4) Safely save your charts 5) Register without Internet With our PREMIUM Subscription you will be able to: 1) Ask question directly to Accredited Teachers 2) Print your Charts 3) Email your Charts in PDF format 4) Create a reminder so you don´t forget 5) Select Custom Palette Colors 6) Backup all your charts in your device With the Free Version we want to reach all BOM Users and help them to easily keep their daily chart entries in a matter of seconds. Furthermore, buying the PREMIUM Subscription you are helping the association in your country and WOOMB International World Wide Organization.
Screenshots
Verdict
The clearest difference is rating: NFP Charting at 4.3 against BillingsAppTM's 3.2. NFP Charting also leads on review sentiment (49% vs 34%) and iOS requirement (12.0 vs 15.0). BillingsAppTM's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (18 vs 6). On price, ads, in-app purchases and monetization model 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 BillingsAppTM sells 4 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.
NFP Charting holds the better App Store score, 4.3 against 3.2. Both are backed by a comparable volume of ratings — 6 and 18 respectively. Written reviews point the same way: 49% of NFP Charting's written reviews are positive against 34% of BillingsAppTM's.
NFP Charting ships an update every 4 months, BillingsAppTM fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | NFP Charting | BillingsAppTM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 3.2 (18 ratings) |
| Positive reviews | 49.3% of reviews — better | 34.5% of reviews |
| Number of ratings | 6 | 18 — better |
| Update frequency | Every 4 months | Fortnightly — 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 | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Lawson Culver | Applied Programming LLC |
Customer experience
NFP Charting
BillingsAppTM
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
Show 7 moreShow fewer
- 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
BillingsAppTM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NFP Charting
- One Month Account Extension$2.99
- One Month$2.99
- Six Months Account Extension$11.99
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- Six Months$14.99
- One Year Account Extension$19.99
- One Year$24.99
BillingsAppTM
- Billings App Premium$9.991 Year
- Grafica Billings PREMIUM$2.99
- Billings PREMIUM 1 Year$9.99
- Billings PREMIUM 5 Years$24.99
Questions
Is NFP Charting free?
Is BillingsAppTM free?
Which has better reviews, NFP Charting or BillingsAppTM?
Do NFP Charting or BillingsAppTM have ads?
Which is updated more often, NFP Charting or BillingsAppTM?
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