# Debos vs Quantum Shield

The clearest difference is in-app purchases: Debos at none against Quantum Shield's 4. Quantum Shield's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Quantum Shield sells 4 in-app purchases, starting at $3.99 per month. Debos asks for nothing beyond the download.

Debos ships an update every 2 weeks, Quantum Shield every 4 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Debos | Quantum Shield |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 48 MB | 24 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smart Open Building, SLU](https://appshunter.io/developer/1525349279) | [Quantum Secure Labs SL](https://appshunter.io/developer/1895611135) |

## What reviewers say

### Debos

[App page](https://appshunter.io/ios/app/debos/id1588030764)

Manage your building efficiently with this application. It provides tools for property management and communication within your community. Stay informed about building updates and access important information.

**Highlights:** Property management, Community communication, Building updates, Information access, Efficient management tools

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

**In-app purchases:** none


### Quantum Shield

[App page](https://appshunter.io/ios/app/quantum-shield-anti-scam/id6764045374)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Mensual | $3.99 | per month |
| Shield Mensual | $8.99 | per month |
| Plus Anual | $25.00 | per year |
| Shield Anual | $69.00 | per year |


## Frequently asked questions

### Is Debos free?

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

### Is Quantum Shield free?

Quantum Shield is free to download, with in-app purchases available.

### Do Debos or Quantum Shield have ads?

Neither Debos nor Quantum Shield shows ads.

### Which is updated more often, Debos or Quantum Shield?

Debos ships an update every 2 weeks, and Quantum Shield every 4 days. Most recently, Debos was updated on October 24, 2026 and Quantum Shield on October 11, 2026.

---

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