# Centinela Pro 2 vs Shadow SOS

Centinela Pro 2 and Shadow SOS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Centinela Pro 2 ships an update every 2 weeks, Shadow SOS every 10 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Centinela Pro 2 | Shadow SOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 30 MB | 35 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [M2M Aplicaciones](https://appshunter.io/developer/940034437) | [Shadow Stealth](https://appshunter.io/developer/1191830166) |

## What reviewers say

### Centinela Pro 2

[App page](https://appshunter.io/ios/app/centinela-pro-2/id1479821344)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow SOS

[App page](https://appshunter.io/ios/app/shadow-sos/id6756010468)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centinela Pro 2 free?

Centinela Pro 2 is free to download, with no in-app purchases.

### Is Shadow SOS free?

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

### Do Centinela Pro 2 or Shadow SOS have ads?

Neither Centinela Pro 2 nor Shadow SOS shows ads.

### Which is updated more often, Centinela Pro 2 or Shadow SOS?

Centinela Pro 2 ships an update every 2 weeks, and Shadow SOS every 10 days. Most recently, Centinela Pro 2 was updated on October 25, 2026 and Shadow SOS on October 13, 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.*