VRF & Mini vs HydraCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VRF & Mini
Access essential technical information for HVAC systems, including VRF and Mini-Splits. Find how-to videos, manuals, error code lookups, and troubleshooting guides to streamline service calls.
- How-to videos
- Technical literature access
- Error code lookup
- Troubleshooting guides
- Refrigerant charge calculation
- Service reference materials
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Lennox Industries offers a wide range of HVAC Systems, including full VRF and Mini-Split product lines, which are accompanied with the Lennox VRF & Mini-Splits app. This app provides immediate access to valuable technical information to help you save time and money on service calls. Whether you need videos that show how the units are operated in different modes, or access to technical literature, the VRF & Mini-Splits app provides a single source for all of your needs. With the VRF & Mini-Splits app, you can: - Watch how-to videos - Access VRF & Mini-Splits related technical literature (such as installation manuals, operation manuals, submittals) - Review error code lookup tables with step by step troubleshooting guide - Quickly reference items such as piping limitations, pre-commissioning checklist, pressure test procedure, and more - Calculate refrigerant charge based on the liquid line length and liquid line diameter Note that this app will not directly connect to the Lennox VRF & Mini-Split Systems. The app is a central database of technical, service, installation, and troubleshooting guides.
HydraCal
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HydraCal makes it simple to stay on top of your daily hydration and calorie needs. Designed with people undergoing radiotherapy in mind, and working with the products provided by your healthcare professional, HydraCal helps you record your fluid intake and nutrition in just a few taps. With clear progress tracking against your daily goals and an easy-to-read history, HydraCal supports your wellbeing by keeping you motivated and informed. Its clean, modern interface ensures that logging your Fortisips® and Calogen® intake as well as feeding tube flushes and any other calorie or liquid intake is quick, effortless, and stress-free.
Screenshots
Verdict
The clearest difference is update cadence: HydraCal at every 4 weeks against VRF & Mini's every 7 months. HydraCal also leads on iOS requirement (15.1 vs 18.5). On price, ads, in-app purchases and device support 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.
VRF & Mini ships an update every 7 months, HydraCal every 4 weeks. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.
| Parameter | VRF & Mini | HydraCal |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (15 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 7 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Lennox Industries | Daniel Mitchell |
In-app purchases
VRF & Mini
No in-app purchases
HydraCal
No in-app purchases
