# LG HVAC Service vs SJS

The clearest difference is update cadence: SJS at every 2 days against LG HVAC Service's every 2 months. LG HVAC Service's advantage is iOS requirement (14.0 vs 26.5). 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.

LG HVAC Service ships an update every 2 months, SJS every 2 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | LG HVAC Service | SJS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (10 ratings)](https://appshunter.io/ios/app/lg-hvac-service/id1521784544/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 38 MB | 8 MB |
| Requires iOS | **14.0** | 26.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [LG Electronics, Inc.](https://appshunter.io/developer/382800716) | [Noii Consulting LLC](https://appshunter.io/developer/6794797124) |

## What reviewers say

### LG HVAC Service

[App page](https://appshunter.io/ios/app/lg-hvac-service/id1521784544)

Access technical content and service information for system air conditioners on your mobile device. Features include error code lookup, troubleshooting guides, manuals, refrigerant simulation, and unit conversion tools.

**Highlights:** Error code lookup, Troubleshooting guide, Manual guide download, Refrigerant simulation, Unit conversion, Remote call services

**Features:** Vision Pro support

**In-app purchases:** none


### SJS

[App page](https://appshunter.io/ios/app/sjs-app/id6794797122)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LG HVAC Service free?

LG HVAC Service is free to download, with no in-app purchases.

### Is SJS free?

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

### Do LG HVAC Service or SJS have ads?

Neither LG HVAC Service nor SJS shows ads.

### Which is updated more often, LG HVAC Service or SJS?

LG HVAC Service ships an update every 2 months, and SJS every 2 days. Most recently, LG HVAC Service was updated on November 3, 2026 and SJS on November 10, 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.*