# ShieldBlock vs RedPing SOS

The clearest difference is in-app purchases: RedPing SOS at none against ShieldBlock's 3. RedPing SOS also leads on device support (4 vs 2) and iOS requirement (15.5 vs 17.0). On price and ads there is nothing between them.

Both are free to download. ShieldBlock sells 3 in-app purchases, starting at $0.99 per month. RedPing SOS asks for nothing beyond the download.

## The numbers

| Metric | ShieldBlock | RedPing SOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 3 MB | 62 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [ZAINAB KICHOU AMANAD](https://appshunter.io/developer/1644291674) | [Alfredo Jr Romana](https://appshunter.io/developer/1896775164) |

## What reviewers say

### ShieldBlock

[App page](https://appshunter.io/ios/app/shieldblock-ad-blocker/id6759074278)

**Features:** macOS Compatibility, Safari Extension, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Access | $4.99 | per year |
| Lifetime Access | $12.99 | one-time |


### RedPing SOS

[App page](https://appshunter.io/ios/app/redping-sos/id6771239955)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ShieldBlock free?

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

### Is RedPing SOS free?

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

### Do ShieldBlock or RedPing SOS have ads?

Neither ShieldBlock nor RedPing SOS shows ads.

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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.*