# SHO vs UN Decoder & Hazmat

The clearest difference is in-app purchases: SHO at none against UN Decoder & Hazmat's 2. SHO also leads on iOS requirement (9.0 vs 13.0). UN Decoder & Hazmat's advantage is update cadence (every 3 weeks vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. UN Decoder & Hazmat sells 2 in-app purchases, starting at $0.99 per month. SHO asks for nothing beyond the download.

SHO ships an update every 10 months, UN Decoder & Hazmat every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | SHO | UN Decoder & Hazmat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Size | 90 MB | 47 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Task Force Tips](https://appshunter.io/developer/1447418344) | [AYLIN BICEN](https://appshunter.io/developer/1839275591) |

## What reviewers say

### SHO

[App page](https://appshunter.io/ios/app/sho-gauge/id1611235398)

**In-app purchases:** none


### UN Decoder & Hazmat

[App page](https://appshunter.io/ios/app/un-decoder-and-hazmat/id6752623945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Membeship ( 1 Month ) | $0.99 | per month |
| Pro Membership ( 1 Year ) | $9.99 | per year |


## Frequently asked questions

### Is SHO free?

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

### Is UN Decoder & Hazmat free?

UN Decoder & Hazmat is free to download, with in-app purchases available.

### Do SHO or UN Decoder & Hazmat have ads?

Neither SHO nor UN Decoder & Hazmat shows ads.

### Which is updated more often, SHO or UN Decoder & Hazmat?

SHO ships an update every 10 months, and UN Decoder & Hazmat every 3 weeks. Most recently, SHO was updated on October 25, 2026 and UN Decoder & Hazmat on October 25, 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.*