# ovolution vs symptosphere

The clearest difference is ads: symptosphere at none against ovolution's shown. symptosphere also leads on update cadence (every 10 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ovolution sells 3 in-app purchases, starting at $1.99 per month and symptosphere sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ovolution ships an update every 5 weeks, symptosphere every 10 days. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ovolution | symptosphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/ovolution/id1633014678/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 55 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ovolution GmbH](https://appshunter.io/developer/1633014680) | [SJR_nort](https://appshunter.io/developer/6806557662) |

## What reviewers say

### ovolution

[App page](https://appshunter.io/ios/app/ovolution/id1633014678)

This app helps users understand their natural menstrual cycle using the NFP method. It tracks body signs like temperature and cervical mucus to determine ovulation and fertile days. Features include cycle phase information, fertility tracking, and pregnancy monitoring.

**Highlights:** NFP rule evaluation, Digital NFP cycle sheet, Body sign documentation, Cycle phase display and forecast, Fertility and pregnancy mode, Cycle statistics and overview, NFP educational articles and videos

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Monthly Subscription | $1.99 | per month |
| Yearly subscription | $19.99 | per year |


### symptosphere

[App page](https://appshunter.io/ios/app/symptosphere/id6806557660)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SymptoSphere Premium | $2.99 | per month |


## Frequently asked questions

### Is ovolution free?

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

### Is symptosphere free?

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

### Do ovolution or symptosphere have ads?

ovolution shows ads; symptosphere does not.

### Which is updated more often, ovolution or symptosphere?

ovolution ships an update every 5 weeks, and symptosphere every 10 days. Most recently, ovolution was updated on October 5, 2026 and symptosphere on October 4, 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.*