# LinkVault vs Quantum Shield

The clearest difference is iOS requirement: Quantum Shield at 13.0 against LinkVault's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. LinkVault sells 2 one-off in-app purchases and Quantum Shield sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

LinkVault ships an update weekly, Quantum Shield every 4 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LinkVault | Quantum Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (9 ratings)](https://appshunter.io/ios/app/linkvault/id1592234033/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 24 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Liqiang Wang](https://appshunter.io/developer/1592234035) | [Quantum Secure Labs SL](https://appshunter.io/developer/1895611135) |

## What reviewers say

### LinkVault

[App page](https://appshunter.io/ios/app/linkvault/id1592234033)

Organize and manage all your mobile links in one central location. Save links from various apps, add notes and tags for easy categorization, and quickly find them with a powerful search function. Back up your data securely with iCloud sync.

**Highlights:** Save links from any app, Organize with notes and tags, Efficient search functionality, Privacy-focused local storage, iCloud backup and sync, QR code scanning, Direct sharing from other apps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me One Shot of Espresso | $1.99 | one-time |
| Coffee Latte | $3.99 | one-time |


### 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 LinkVault free?

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

### Is Quantum Shield free?

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

### Do LinkVault or Quantum Shield have ads?

Neither LinkVault nor Quantum Shield shows ads.

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

LinkVault ships an update weekly, and Quantum Shield every 4 days. Most recently, LinkVault was updated on November 3, 2026 and Quantum Shield 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.*