# FertiCalc vs ROLAVIScan

The clearest difference is update cadence: FertiCalc at every 3 days against ROLAVIScan's every 2 weeks. FertiCalc also leads on iOS requirement (8.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FertiCalc ships an update every 3 days, ROLAVIScan every 2 weeks. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | FertiCalc | ROLAVIScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 17 MB | 11 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roedolf Johannes Nieuwenhuis](https://appshunter.io/developer/1231555866) | [Marco Herrera](https://appshunter.io/developer/6779786898) |

## What reviewers say

### FertiCalc

[App page](https://appshunter.io/ios/app/ferticalc/id1231594109)

**Features:** macOS Compatibility

**In-app purchases:** none


### ROLAVIScan

[App page](https://appshunter.io/ios/app/rolaviscan/id6779786896)

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

**In-app purchases:** none


## Frequently asked questions

### Is FertiCalc free?

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

### Is ROLAVIScan free?

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

### Do FertiCalc or ROLAVIScan have ads?

Neither FertiCalc nor ROLAVIScan shows ads.

### Which is updated more often, FertiCalc or ROLAVIScan?

FertiCalc ships an update every 3 days, and ROLAVIScan every 2 weeks. Most recently, FertiCalc was updated on October 12, 2026 and ROLAVIScan on October 18, 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.*