# femSense fertility vs ovolution

The clearest difference is rating: ovolution at 3.0 against femSense fertility's 2.4. ovolution also leads on update cadence (every 5 weeks vs every 3 months). femSense fertility's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, monetization model, 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. femSense fertility asks for nothing beyond the download.

ovolution holds the better App Store score, 3.0 against 2.4. That said, the two scores are not equally well evidenced: femSense fertility has 21 ratings behind it against 1, so its average is the more settled of the two.

femSense fertility ships an update every 3 months, ovolution every 5 weeks. The most recent releases landed on September 22, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | femSense fertility | ovolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (21 ratings)](https://appshunter.io/ios/app/femsense-fertility/id1373747509/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/ovolution/id1633014678/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 17.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 117 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [SteadySense GmbH](https://appshunter.io/developer/1373747508) | [ovolution GmbH](https://appshunter.io/developer/1633014680) |

## What reviewers say

### femSense fertility

[App page](https://appshunter.io/ios/app/femsense-fertility/id1373747509)

This app helps users understand their menstrual cycle and fertility. It can be used to plan a pregnancy by identifying fertile days or as a free period calendar to track cycles and symptoms. It works with a smart sensor patch or as a standalone cycle tracker.

**Highlights:** Fertility tracking, Ovulation prediction, Cycle calendar, Period tracking, Symptom logging, Smart sensor patch integration, NFC data reading

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is femSense fertility free?

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

### Is ovolution free?

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

### Which has better reviews, femSense fertility or ovolution?

ovolution is rated higher. femSense fertility averages 2.4 out of 5 from 21 ratings, while ovolution averages 3.0 from 1 ratings.

### Do femSense fertility or ovolution have ads?

ovolution shows ads; femSense fertility does not.

### Which is updated more often, femSense fertility or ovolution?

femSense fertility ships an update every 3 months, and ovolution every 5 weeks. Most recently, femSense fertility was updated on September 22, 2026 and ovolution on June 26, 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.*