# ABB CLOSER vs Protector Security

The clearest difference is iOS requirement: ABB CLOSER at 12.4 against Protector Security's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ABB CLOSER ships an update every 3 months, Protector Security every 2 months. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ABB CLOSER | Protector Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 134 MB | 48 MB |
| Requires iOS | **12.4** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ABB Information Systems AG](https://appshunter.io/developer/1026885389) | [ITOT SA](https://appshunter.io/developer/1858702680) |

## What reviewers say

### ABB CLOSER

[App page](https://appshunter.io/ios/app/abb-closer/id1560948190)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protector Security

[App page](https://appshunter.io/ios/app/protector-security/id6504768350)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ABB CLOSER free?

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

### Is Protector Security free?

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

### Do ABB CLOSER or Protector Security have ads?

Neither ABB CLOSER nor Protector Security shows ads.

### Which is updated more often, ABB CLOSER or Protector Security?

ABB CLOSER ships an update every 3 months, and Protector Security every 2 months. Most recently, ABB CLOSER was updated on September 29, 2026 and Protector Security on October 10, 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.*