Chart Neo vs e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chart Neo
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.
- 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
Read full descriptionHide full description
Creighton. Sympto-Thermal. Marquette. Billings. So many different methods to track your menstrual cycle. It can be confusing to find one that works for you. Neo takes the proven elements from these and many others to create an easy, fast, and powerful way to chart. - Free *45 Day* trial. We want to be sure the app is working well for you! Very low cost afterward. - Starts up faster than any other charting app. Super easy to record your sign and get on with your life. - Still works without a cell or WiFi signal. Often there is not a good signal where you may be recording your signs! - View your chart on your device, going as far back as you like. View multiple cycles at once! - Access to a powerful web portal where you can create PDFs of your chart, interact with an advisor, and more. - Share with your spouse! Share your account across multiple devices. - Apple Watch companion app - Optional HealthKit integration - Continuous updates and new features added thanks to feedback from users
e
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.
- Daily observation notes
- Cycle graph visualization
- Cross-device access
- Information sharing
- Method-specific tracking
Read full descriptionHide full description
O aplicativo tem o objetivo de auxiliar nas anotações do método, aproveitando a facilidade de ter o celular sempre em mãos e que desta forma se possa anotar as observações diárias. A utilização desta ferramenta possibilitará ver o gráfico do ciclo a qualquer momento pelo celular, tablet ou computador e também proporcionará o compartilhamento das informações com maior facilidade entre o casal e a instrutora. Importante! O aplicativo não deverá ser usado por pessoas que não tenham conhecimento do método de ovulação billings, para isso procure uma instrutora oficial ou a CENPLAFAM - WOOMB BRASIL para maiores informações sobre o método.
Screenshots
Verdict
The clearest difference is review sentiment: Chart Neo at 80% against e's 0%. Chart Neo also leads on rating (4.8 vs 3.0) and ratings volume (72 vs 1). e's advantage is in-app purchases (none vs 2). On price, update cadence and iOS requirement 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. Chart Neo sells 2 one-off in-app purchases. e asks for nothing beyond the download.
Chart Neo holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Chart Neo has 72 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Chart Neo's written reviews are positive against 0% of e's.
Chart Neo ships an update every 6 weeks, e monthly. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.
| Parameter | Chart Neo | e |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (72 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 79.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 72 — better | 1 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | — |
| Requires iOS | 13.6 — better | 14.0.0 |
| Further details — not scored | ||
| Size | 15 MB | 52 MB |
| Age rating | 12+ | 17+ |
| Developer | NeoFertility LLC | VENDA NO DIGITAL SERVICOS DE MARKETING DIGITAL LTDA |
Customer experience
Chart Neo
e
In-app purchases
Chart Neo
- One Year of Chart Neo$19.99
- Cycle Charting Basics$99.99
e
No in-app purchases
