# Vestas SiteRec vs Comtarsia Authenticator

The clearest difference is update cadence: Vestas SiteRec at every 6 weeks against Comtarsia Authenticator's every 63 months. Vestas SiteRec also leads on iOS requirement (7.0 vs 12.4). 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.

Vestas SiteRec ships an update every 6 weeks, Comtarsia Authenticator every 63 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | Vestas SiteRec | Comtarsia Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 63 months |
| Size | 48 MB | 2 MB |
| Requires iOS | **7.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vestas Wind Systems AS](https://appshunter.io/developer/385438202) | [Comtarsia IT Services GmbH](https://appshunter.io/developer/1538437597) |

## What reviewers say

### Vestas SiteRec

[App page](https://appshunter.io/ios/app/vestas-siterec/id1214227646)

**Features:** macOS Compatibility

**In-app purchases:** none


### Comtarsia Authenticator

[App page](https://appshunter.io/ios/app/comtarsia-authenticator/id1538437355)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vestas SiteRec free?

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

### Is Comtarsia Authenticator free?

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

### Do Vestas SiteRec or Comtarsia Authenticator have ads?

Neither Vestas SiteRec nor Comtarsia Authenticator shows ads.

### Which is updated more often, Vestas SiteRec or Comtarsia Authenticator?

Vestas SiteRec ships an update every 6 weeks, and Comtarsia Authenticator every 63 months. Most recently, Vestas SiteRec was updated on October 12, 2026 and Comtarsia Authenticator on October 12, 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.*