# Ref Tools vs LGMV

The clearest difference is rating: Ref Tools at 3.9 against LGMV's 2.1. Ref Tools also leads on review sentiment (58% vs 25%) and update cadence (every 5 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ref Tools holds the better App Store score, 3.9 against 2.1. Both are backed by a comparable volume of ratings — 52 and 25 respectively. Written reviews point the same way: 58% of Ref Tools's written reviews are positive against 25% of LGMV's.

Ref Tools ships an update every 5 weeks, LGMV every 3 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Ref Tools | LGMV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (52 ratings)](https://appshunter.io/ios/app/ref-tools/id472312541/reviews)** | [2.1 (25 ratings)](https://appshunter.io/ios/app/lgmv-business/id1506724643/reviews) |
| Number of ratings | **52** | 25 |
| Positive reviews | **57.6% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 98 MB | 57 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [LG Electronics, Inc.](https://appshunter.io/developer/382800716) |

## What reviewers say

### Ref Tools

[App page](https://appshunter.io/ios/app/ref-tools/id472312541)

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

**Highlights:** Refrigerant Slider for P/T calculations, Solenoid valve coil testing tool, Refrigeration system troubleshooting guide, Product data finder, Spare parts ordering, Low-GWP refrigerant comparison, TXV Superheat optimization, Educational podcasts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful tool for HVAC/R techs
- 👍 Great idea for an app
- 👍 Best refrigeration and hvac app
- 👍 Useful App for HVACR
- 👍 Brilliant app

**What reviewers complain about**

- 🐛 Crashes instantly on launch
- 🐛 App won’t open on iPhone
- 🐛 Flashes up and disappears
- 🐛 Cannot open app
- 🐛 Immediately shuts off

**Reported bugs**

- CRASHED instantly on Mac Mini M4
- App won’t open on iPhone
- App flashes up and disappears
- Cannot open app
- Immediately shuts off since recent release

**Requested features**

- More residential AC information
- Troubleshooter for Residential & Commercial
- Add SP22 refrigerant
- Add R-11 refrigerant
- Add R-123 range down to 40 degrees


### LGMV

[App page](https://appshunter.io/ios/app/lgmv-business/id1506724643)

This application allows air conditioning service engineers to monitor LG air conditioner product status, diagnose issues, and interpret refrigeration cycles. It provides real-time data, graphical representations, and troubleshooting guides to assist in problem-solving.

**Highlights:** Monitor air conditioner status, View pressure and frequency graphs, Control indoor unit operation, Save air conditioner data, Access troubleshooting guides, Save Black Box and Test Report data

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ref Tools free?

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

### Is LGMV free?

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

### Which has better reviews, Ref Tools or LGMV?

Ref Tools is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while LGMV averages 2.1 from 25 ratings.

### Do Ref Tools or LGMV have ads?

Neither Ref Tools nor LGMV shows ads.

### Which is updated more often, Ref Tools or LGMV?

Ref Tools ships an update every 5 weeks, and LGMV every 3 months. Most recently, Ref Tools was updated on October 7, 2026 and LGMV on October 7, 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.*