# Secure Contacts vs Capella Tower

The clearest difference is update cadence: Capella Tower at every 2 weeks against Secure Contacts's every 2 months. Capella Tower also leads on iOS requirement (15.5 vs 17.0). 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.

Secure Contacts ships an update every 2 months, Capella Tower every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Secure Contacts | Capella Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/secure-contacts/id1617596880/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 318 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Provectus Software GmbH](https://appshunter.io/developer/1717423073) | [225 6th Street Property Owner LLC](https://appshunter.io/developer/1853846451) |

## What reviewers say

### Secure Contacts

[App page](https://appshunter.io/ios/app/secure-contacts/id1617596880)

Manage business contacts centrally and compliantly without manual maintenance. Consolidate contacts from Outlook, Teams, and CRM systems in a secure environment, avoiding unwanted synchronization with third-party providers.

**Highlights:** GDPR-compliant contact storage, Microsoft 365 integration, Teams calls and chats, Caller identification and blocking, Duplicate detection and merging, Secure contact sharing, Vacation mode

**Features:** Vision Pro support

**In-app purchases:** none


### Capella Tower

[App page](https://appshunter.io/ios/app/capella-tower/id6755431905)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Secure Contacts free?

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

### Is Capella Tower free?

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

### Do Secure Contacts or Capella Tower have ads?

Neither Secure Contacts nor Capella Tower shows ads.

### Which is updated more often, Secure Contacts or Capella Tower?

Secure Contacts ships an update every 2 months, and Capella Tower every 2 weeks. Most recently, Secure Contacts was updated on October 24, 2026 and Capella Tower on October 24, 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.*