# NFP Charting vs BillingsAppTM

The clearest difference is rating: NFP Charting at 4.3 against BillingsAppTM's 3.1. NFP Charting also leads on review sentiment (49% vs 32%) and iOS requirement (12.0 vs 15.0). BillingsAppTM's advantage is update cadence (fortnightly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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 3.1. Both are backed by a comparable volume of ratings — 6 and 15 respectively. Written reviews point the same way: 49% of NFP Charting's written reviews are positive against 32% of BillingsAppTM's.

NFP Charting ships an update every 4 months, BillingsAppTM fortnightly. The most recent releases landed on June 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NFP Charting | BillingsAppTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/nfp-charting/id300767738/reviews)** | [3.1 (15 ratings)](https://appshunter.io/ios/app/billingsapptm/id1435246315/reviews) |
| Number of ratings | 6 | **15** |
| Positive reviews | **49.3% of reviews** | 32.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 6 MB | 11 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lawson Culver](https://appshunter.io/developer/300767741) | [Applied Programming LLC](https://appshunter.io/developer/1435246314) |

## What reviewers say

### NFP Charting

[App page](https://appshunter.io/ios/app/nfp-charting/id300767738)

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.

**Highlights:** Track NFP charting data online, Share charts with teachers, Email charts, View current and previous cycles, Leave notes for teachers, Access from computer

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Account Extension | $2.99 | one-time |
| One Month | $2.99 | one-time |
| Six Months Account Extension | $11.99 | one-time |
| Six Months | $14.99 | one-time |
| One Year Account Extension | $19.99 | one-time |
| One Year | $24.99 | one-time |


### BillingsAppTM

[App page](https://appshunter.io/ios/app/billingsapptm/id1435246315)

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.

**Highlights:** Daily entry registration, Spouse and device linking, Share chart with teacher, Save charts securely, Offline registration, Direct teacher questions, Print and email charts

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Billings App Premium | $9.99 | per year |
| Grafica Billings PREMIUM | $2.99 | one-time |
| Billings PREMIUM 1 Year | $9.99 | one-time |
| Billings PREMIUM 5 Years | $24.99 | one-time |


## Frequently asked questions

### Is NFP Charting free?

NFP Charting is free to download, with in-app purchases available.

### Is BillingsAppTM free?

BillingsAppTM is free to download, with in-app purchases available.

### Which has better reviews, NFP Charting or BillingsAppTM?

NFP Charting is rated higher. NFP Charting averages 4.3 out of 5 from 6 ratings, while BillingsAppTM averages 3.1 from 15 ratings.

### Do NFP Charting or BillingsAppTM have ads?

Neither NFP Charting nor BillingsAppTM shows ads.

### Which is updated more often, NFP Charting or BillingsAppTM?

NFP Charting ships an update every 4 months, and BillingsAppTM fortnightly. Most recently, NFP Charting was updated on June 11, 2026 and BillingsAppTM on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*