# Si4iLocker vs Lava Security

The clearest difference is in-app purchases: Si4iLocker at none against Lava Security's 2. Si4iLocker also leads on iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Lava Security sells 2 in-app purchases, starting at $3.99 per month. Si4iLocker asks for nothing beyond the download.

## The numbers

| Metric | Si4iLocker | Lava Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 9 MB | 28 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文焕 陈](https://appshunter.io/developer/1810161184) | [Lava Security LLC](https://appshunter.io/developer/1896774687) |

## What reviewers say

### Si4iLocker

[App page](https://appshunter.io/ios/app/si4ilocker/id6747120411)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lava Security

[App page](https://appshunter.io/ios/app/lava-security/id6778022110)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lava Security Plus | $3.99 | per month |
| Lava Security Plus | $29.99 | per year |


## Frequently asked questions

### Is Si4iLocker free?

Si4iLocker is free to download, with no in-app purchases.

### Is Lava Security free?

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

### Do Si4iLocker or Lava Security have ads?

Neither Si4iLocker nor Lava Security shows ads.

---

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