# Varsom vs FEI SECURE

The clearest difference is update cadence: Varsom at every 6 weeks against FEI SECURE's every 5 months. FEI SECURE's advantage is iOS requirement (13.0 vs 15.0). 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.

Varsom ships an update every 6 weeks, FEI SECURE every 5 months. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Varsom | FEI SECURE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Size | 46 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Norges Vassdrags- og Energidirektorat](https://appshunter.io/developer/878542319) | [Mattia Dorigo](https://appshunter.io/developer/892085024) |

## What reviewers say

### Varsom

[App page](https://appshunter.io/ios/app/varsom/id1450501601)

**Features:** Vision Pro support

**In-app purchases:** none


### FEI SECURE

[App page](https://appshunter.io/ios/app/fei-secure/id1533642201)

**In-app purchases:** none


## Frequently asked questions

### Is Varsom free?

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

### Is FEI SECURE free?

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

### Do Varsom or FEI SECURE have ads?

Neither Varsom nor FEI SECURE shows ads.

### Which is updated more often, Varsom or FEI SECURE?

Varsom ships an update every 6 weeks, and FEI SECURE every 5 months. Most recently, Varsom was updated on October 10, 2026 and FEI SECURE on September 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.*