# PROTECT SMART SECURITY vs iShield Mobile Security

The clearest difference is in-app purchases: PROTECT SMART SECURITY at none against iShield Mobile Security's 4. iShield Mobile Security's advantage is update cadence (weekly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iShield Mobile Security sells 4 in-app purchases, starting at $0.99 per 7 days. PROTECT SMART SECURITY asks for nothing beyond the download.

PROTECT SMART SECURITY ships an update every 12 months, iShield Mobile Security weekly. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PROTECT SMART SECURITY | iShield Mobile Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Size | 7 MB | 86 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TRIKDIS](https://appshunter.io/developer/1092492125) | [Terezinha Silva](https://appshunter.io/developer/1835169561) |

## What reviewers say

### PROTECT SMART SECURITY

[App page](https://appshunter.io/ios/app/protect-smart-security/id1372812999)

**Features:** macOS Compatibility

**In-app purchases:** none


### iShield Mobile Security

[App page](https://appshunter.io/ios/app/ishield-mobile-security/id6603836409)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iShield Mobile Security | $0.99 | per 7 days |
| AdGuard Pro | $2.99 | per 7 days |
| AdGuard Plus Protect | $39.99 | per year |
| iShield Protection Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is PROTECT SMART SECURITY free?

PROTECT SMART SECURITY is free to download, with no in-app purchases.

### Is iShield Mobile Security free?

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

### Do PROTECT SMART SECURITY or iShield Mobile Security have ads?

Neither PROTECT SMART SECURITY nor iShield Mobile Security shows ads.

### Which is updated more often, PROTECT SMART SECURITY or iShield Mobile Security?

PROTECT SMART SECURITY ships an update every 12 months, and iShield Mobile Security weekly. Most recently, PROTECT SMART SECURITY was updated on November 11, 2026 and iShield Mobile Security on October 30, 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.*