# Dynacam vs SOS

The clearest difference is update cadence: SOS at every 3 weeks against Dynacam's every 3 months. Dynacam's advantage is iOS requirement (12.0 vs 17.0). 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.

Dynacam ships an update every 3 months, SOS every 3 weeks. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Dynacam | SOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 38 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ASKEY COMPUTER CORP](https://appshunter.io/developer/1085004047) | [Orlando Costa](https://appshunter.io/developer/6780307902) |

## What reviewers say

### Dynacam

[App page](https://appshunter.io/ios/app/dynacam/id6474246593)

**Features:** macOS Compatibility

**In-app purchases:** none


### SOS

[App page](https://appshunter.io/ios/app/sos-global/id6780307900)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dynacam free?

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

### Is SOS free?

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

### Do Dynacam or SOS have ads?

Neither Dynacam nor SOS shows ads.

### Which is updated more often, Dynacam or SOS?

Dynacam ships an update every 3 months, and SOS every 3 weeks. Most recently, Dynacam was updated on September 10, 2026 and SOS on September 21, 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.*