Mastercool Connect vs LG HVAC Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mastercool Connect
Monitor all your Mastercool devices equipped with Bluetooth Low Energy. This app supports specific digital manifolds, vacuum gauges, thermometers, and refrigerant scales for seamless data tracking.
- BLE device monitoring
- Supports Spartan Smart Manifold
- Supports Digital Vacuum Gauge
- Supports Digital Thermometer/Hygrometer
- Supports Electronic Refrigerant Scale
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Mastercool® Connect lets you monitor all of your Mastercool devices equipped with BLE (Bluetooth® Low Energy). Supported Devices: · 9992X-BT/9994X-BT Spartan Smart Manifold. · 98063-BT Digital Vacuum Gauge. · 52234-BT Digital Thermometer/Hygrometer. · 98210-001-BTR Accu-Charge Electronic Refrigerant Scale
LG HVAC Service
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.
- Error code lookup
- Troubleshooting guide
- Manual guide download
- Refrigerant simulation
- Unit conversion
- Remote call services
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You will be required to set up an account on our LG B2B Partner Portal website (“the Website”, [http://partner.lge.com]) in order to use the Services. The App uses the same account with the Website. Of course, your use of the account follows the Web's Terms & Conditions and Privacy Policy. The Services allows you to find and download the services & technical contents of system air-conditioner through your mobile device and use additional functions such as error code & troubleshooting guide, manual guide, refrigerant simulation, unit conversion, and remote call services.
Screenshots
Verdict
The clearest difference is rating: Mastercool Connect at 5.0 against LG HVAC Service's 3.0. Mastercool Connect also leads on iOS requirement (12.0 vs 14.0). LG HVAC Service's advantage is review sentiment (25% vs 0%) and ratings volume (10 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mastercool Connect holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews complicate that: 0% of Mastercool Connect's written reviews are positive against 25% of LG HVAC Service's, so the app with the better star average is not the one people write more warmly about.
Mastercool Connect ships an update every 3 months, LG HVAC Service every 2 months. Both last shipped on November 3, 2026.
| Parameter | Mastercool Connect | LG HVAC Service |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.0 (10 ratings) |
| Positive reviews | 0.0% of reviews | 25.0% of reviews — better |
| Number of ratings | 3 | 10 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 26 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Mastercool, U.S.A., Inc. | LG Electronics |
Customer experience
Mastercool Connect
LG HVAC Service
In-app purchases
Mastercool Connect
No in-app purchases
LG HVAC Service
No in-app purchases
