# SOS Traffic V16 vs Shadow SOS

The clearest difference is update cadence: Shadow SOS at every 10 days against SOS Traffic V16's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

SOS Traffic V16 ships an update every 3 weeks, Shadow SOS every 10 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SOS Traffic V16 | Shadow SOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 4 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Atressa Automotive Trading S.L.](https://appshunter.io/developer/1167111606) | [Shadow Stealth](https://appshunter.io/developer/1191830166) |

## What reviewers say

### SOS Traffic V16

[App page](https://appshunter.io/ios/app/sos-traffic-v16/id6748609359)

**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 SOS Traffic V16 free?

SOS Traffic V16 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 SOS Traffic V16 or Shadow SOS have ads?

Neither SOS Traffic V16 nor Shadow SOS shows ads.

### Which is updated more often, SOS Traffic V16 or Shadow SOS?

SOS Traffic V16 ships an update every 3 weeks, and Shadow SOS every 10 days. Most recently, SOS Traffic V16 was updated on October 25, 2026 and Shadow SOS on October 30, 2026.

---

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