e vs iNatural
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
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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.
iNatural
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Inatural, adie ou alcance sua gravidez com saúde.
Screenshots
Verdict
The clearest difference is update cadence: e at monthly against iNatural's every 17 months. On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
e ships an update monthly, iNatural every 17 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | e | iNatural |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 17 months |
| In-app purchases | No | No |
| Monetization | Free | — |
| Requires iOS | 14.0.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 52 MB | 48 MB |
| Age rating | 17+ | 12+ |
| Developer | VENDA NO DIGITAL SERVICOS DE MARKETING DIGITAL LTDA | Argo Soluções tecnológicas LTDA |
In-app purchases
e
No in-app purchases
iNatural
No in-app purchases
