# Ref Tools vs Lovato Electric Sam1

The clearest difference is review sentiment: Ref Tools at 58% against Lovato Electric Sam1's 0%. Ref Tools also leads on rating (3.9 vs 1.0) and ratings volume (52 vs 1). Lovato Electric Sam1's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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 1.0. That said, the two scores are not equally well evidenced: Ref Tools has 52 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 58% of Ref Tools's written reviews are positive against 0% of Lovato Electric Sam1's.

Ref Tools ships an update monthly, Lovato Electric Sam1 every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Ref Tools | Lovato Electric Sam1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (52 ratings)](https://appshunter.io/ios/app/ref-tools/id472312541/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/lovato-electric-sam1/id871795634/reviews) |
| Number of ratings | **52** | 1 |
| Positive reviews | **57.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 98 MB | 3 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [LOVATO ELECTRIC SPA.](https://appshunter.io/developer/871795637) |

## 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


### Lovato Electric Sam1

[App page](https://appshunter.io/ios/app/lovato-electric-sam1/id871795634)

This application simplifies configuration and maintenance for compatible LOVATO Electric products. It allows users to connect via a smartphone or tablet, eliminating the need for a laptop and cables to set parameters, send commands, and view device measurements.

**Highlights:** Remote product configuration, Parameter setting, Send commands to devices, View device measurements, Save and email event logs, Load saved configuration files

**In-app purchases:** none


## Frequently asked questions

### Is Ref Tools free?

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

### Is Lovato Electric Sam1 free?

Lovato Electric Sam1 is free to download, with no in-app purchases.

### Which has better reviews, Ref Tools or Lovato Electric Sam1?

Ref Tools is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while Lovato Electric Sam1 averages 1.0 from 1 ratings.

### Do Ref Tools or Lovato Electric Sam1 have ads?

Neither Ref Tools nor Lovato Electric Sam1 shows ads.

### Which is updated more often, Ref Tools or Lovato Electric Sam1?

Ref Tools ships an update monthly, and Lovato Electric Sam1 every 3 months. Most recently, Ref Tools was updated on October 24, 2026 and Lovato Electric Sam1 on October 24, 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.*