# Chart Neo vs BillingsAppTM

The clearest difference is review sentiment: Chart Neo at 80% against BillingsAppTM's 34%. Chart Neo also leads on rating (4.8 vs 3.2) and ratings volume (72 vs 18). BillingsAppTM's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chart Neo sells 2 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.

Chart Neo holds the better App Store score, 4.8 against 3.2. Both are backed by a comparable volume of ratings — 72 and 18 respectively. Written reviews point the same way: 80% of Chart Neo's written reviews are positive against 34% of BillingsAppTM's.

Chart Neo ships an update every 6 weeks, BillingsAppTM fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chart Neo | BillingsAppTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (72 ratings)](https://appshunter.io/ios/app/chart-neo/id1376976631/reviews)** | [3.2 (18 ratings)](https://appshunter.io/ios/app/billingsapptm/id1435246315/reviews) |
| Number of ratings | **72** | 18 |
| Positive reviews | **79.5% of reviews** | 34.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 15 MB | 11 MB |
| Requires iOS | **13.6** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [NeoFertility LLC](https://appshunter.io/developer/1837439527) | [Applied Programming LLC](https://appshunter.io/developer/1435246314) |

## What reviewers say

### Chart Neo

[App page](https://appshunter.io/ios/app/chart-neo/id1376976631)

This app simplifies menstrual cycle tracking by combining proven methods into an easy-to-use interface. It offers fast recording, offline functionality, and detailed chart viewing, with an accompanying web portal for advanced features and advisor interaction.

**Highlights:** Combines proven charting methods, Fast and easy sign recording, Offline functionality, View historical charts, Web portal access, Share with spouse/devices, Apple Watch companion app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Year of Chart Neo | $19.99 | one-time |
| Cycle Charting Basics | $99.99 | 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 Chart Neo free?

Chart Neo 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, Chart Neo or BillingsAppTM?

Chart Neo is rated higher. Chart Neo averages 4.8 out of 5 from 72 ratings, while BillingsAppTM averages 3.2 from 18 ratings.

### Do Chart Neo or BillingsAppTM have ads?

Neither Chart Neo nor BillingsAppTM shows ads.

### Which is updated more often, Chart Neo or BillingsAppTM?

Chart Neo ships an update every 6 weeks, and BillingsAppTM fortnightly. Most recently, Chart Neo was updated on October 21, 2026 and BillingsAppTM on October 24, 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.*