# Yesido Ring vs SOS Response App

The clearest difference is update cadence: SOS Response App at fortnightly against Yesido Ring's every 7 months. Yesido Ring's advantage is iOS requirement (9.0 vs 12.0). 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.

Yesido Ring ships an update every 7 months, SOS Response App fortnightly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Yesido Ring | SOS Response App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 69 MB | 42 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永健 张](https://appshunter.io/developer/1752993509) | [Eagle Protect Security](https://appshunter.io/developer/1827628960) |

## What reviewers say

### Yesido Ring

[App page](https://appshunter.io/ios/app/yesido-ring/id6739153743)

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

**In-app purchases:** none


### SOS Response App

[App page](https://appshunter.io/ios/app/sos-response-app/id6748842263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yesido Ring free?

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

### Is SOS Response App free?

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

### Do Yesido Ring or SOS Response App have ads?

Neither Yesido Ring nor SOS Response App shows ads.

### Which is updated more often, Yesido Ring or SOS Response App?

Yesido Ring ships an update every 7 months, and SOS Response App fortnightly. Most recently, Yesido Ring was updated on October 10, 2026 and SOS Response App on October 8, 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.*