# Castel Virtual Card vs Sieph Update

The clearest difference is update cadence: Sieph Update at every 2 months against Castel Virtual Card's every 5 months. Sieph Update also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

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

Castel Virtual Card ships an update every 5 months, Sieph Update every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Castel Virtual Card | Sieph Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/castel-virtual-card/id1596446402/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 77 MB | 44 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castel](https://appshunter.io/developer/566301834) | [TECMOTION](https://appshunter.io/developer/1638150825) |

## What reviewers say

### Castel Virtual Card

[App page](https://appshunter.io/ios/app/castel-virtual-card/id1596446402)

This app transforms your smartphone into a secure mobile access control solution. It allows you to use your device as a virtual badge for entry, offering both proximity and remote control options. Compatible with specific Castel readers, it streamlines access management.

**Highlights:** Virtual access badge on smartphone, Bluetooth mobile access, Proximity identification mode, Remote control mode, Secure and intuitive access

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

**In-app purchases:** none


### Sieph Update

[App page](https://appshunter.io/ios/app/sieph-update/id6444893351)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Castel Virtual Card free?

Castel Virtual Card is free to download, with no in-app purchases.

### Is Sieph Update free?

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

### Do Castel Virtual Card or Sieph Update have ads?

Neither Castel Virtual Card nor Sieph Update shows ads.

### Which is updated more often, Castel Virtual Card or Sieph Update?

Castel Virtual Card ships an update every 5 months, and Sieph Update every 2 months. Most recently, Castel Virtual Card was updated on October 10, 2026 and Sieph Update on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*