# BillingsAppTM vs e

The clearest difference is in-app purchases: e at none against BillingsAppTM's 4. BillingsAppTM's advantage is review sentiment (32% vs 0%) and ratings volume (15 vs 1). On price, rating and iOS requirement there is nothing between them.

Both are free to download. BillingsAppTM sells 4 in-app purchases, starting at $9.99 per year. e asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.1 for BillingsAppTM against 3.0 for e. That said, the two scores are not equally well evidenced: BillingsAppTM has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 32% of BillingsAppTM's written reviews are positive against 0% of e's.

BillingsAppTM ships an update fortnightly, e monthly. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | BillingsAppTM | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (15 ratings)](https://appshunter.io/ios/app/billingsapptm/id1435246315/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/e-billings-mob/id1642796709/reviews) |
| Number of ratings | **15** | 1 |
| Positive reviews | **32.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Freemium | **Free** |
| Size | 11 MB | 52 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Applied Programming LLC](https://appshunter.io/developer/1435246314) | [VENDA NO DIGITAL SERVICOS DE MARKETING DIGITAL LTDA](https://appshunter.io/developer/1642796711) |

## What reviewers say

### 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 |


### e

[App page](https://appshunter.io/ios/app/e-billings-mob/id1642796709)

This app helps users track daily observations related to a specific fertility awareness method. It allows for easy viewing of cycle graphs on various devices and facilitates sharing information with partners and instructors. It is intended for users already familiar with the Billings Ovulation Method.

**Highlights:** Daily observation notes, Cycle graph visualization, Cross-device access, Information sharing, Method-specific tracking

**In-app purchases:** none


## Frequently asked questions

### Is BillingsAppTM free?

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

### Is e free?

e is free to download, with no in-app purchases.

### Which has better reviews, BillingsAppTM or e?

BillingsAppTM is rated higher. BillingsAppTM averages 3.1 out of 5 from 15 ratings, while e averages 3.0 from 1 ratings.

### Which is updated more often, BillingsAppTM or e?

BillingsAppTM ships an update fortnightly, and e monthly. Most recently, BillingsAppTM was updated on September 21, 2026 and e on September 17, 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.*