# SH vs YJ Combustion

The clearest difference is iOS requirement: SH at 11.0 against YJ Combustion's 14. 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.

## The numbers

| Metric | SH | YJ Combustion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sh-35n/id1293348476/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 62 MB | 125 MB |
| Requires iOS | **11.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JB Industries, Inc.](https://appshunter.io/developer/977734857) | [YELLOW JACKET](https://appshunter.io/developer/924701171) |

## What reviewers say

### SH

[App page](https://appshunter.io/ios/app/sh-35n/id1293348476)

Monitor pressure and temperature wirelessly with this tool. It allows programming of favorite refrigerants, firmware updates, and system monitoring on a single screen. Ideal for HVAC professionals.

**Highlights:** Wireless pressure and temperature measurement, Saturation temperature, superheat, and subcool calculation, Program up to 5 favorite refrigerants, Firmware updates, Single-screen system monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### YJ Combustion

[App page](https://appshunter.io/ios/app/yj-combustion/id6443457550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SH free?

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

### Is YJ Combustion free?

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

### Do SH or YJ Combustion have ads?

Neither SH nor YJ Combustion shows ads.

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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.*