# Ref Tools vs Código Diagnóstico Mirage

Ref Tools and Código Diagnóstico Mirage both sit at 3.9 stars, but that hides the real split: 58% of Ref Tools's written reviews are positive against 20% of Código Diagnóstico Mirage's. Ref Tools also leads on update cadence (every 5 weeks vs every 7 months) and ratings volume (52 vs 1). Código Diagnóstico Mirage's advantage is iOS requirement (13.0 vs 15.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 3.9 for Ref Tools against 4.0 for Código Diagnóstico Mirage. 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 are what separate them: 58% of Ref Tools's written reviews are positive against 20% of Código Diagnóstico Mirage's.

Ref Tools ships an update every 5 weeks, Código Diagnóstico Mirage every 7 months. The most recent releases landed on October 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Ref Tools | Código Diagnóstico Mirage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (52 ratings)](https://appshunter.io/ios/app/ref-tools/id472312541/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/codigo-diagnostico-mirage/id1048228632/reviews)** |
| Number of ratings | **52** | 1 |
| Positive reviews | **57.6% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 98 MB | 13 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Airpac S.A. de C.V.](https://appshunter.io/developer/1018522303) |

## 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


### Código Diagnóstico Mirage

[App page](https://appshunter.io/ios/app/codigo-diagnostico-mirage/id1048228632)

Easily identify and resolve error codes displayed on your Mirage evaporator. Select your model and the displayed code to get a clear explanation and troubleshooting steps.

**Highlights:** Identify Mirage evaporator error codes, Troubleshoot code solutions, Model-specific guidance, Advanced code search, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ref Tools free?

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

### Is Código Diagnóstico Mirage free?

Código Diagnóstico Mirage is free to download, with no in-app purchases.

### Which has better reviews, Ref Tools or Código Diagnóstico Mirage?

Código Diagnóstico Mirage is rated higher. Ref Tools averages 3.9 out of 5 from 52 ratings, while Código Diagnóstico Mirage averages 4.0 from 1 ratings.

### Do Ref Tools or Código Diagnóstico Mirage have ads?

Neither Ref Tools nor Código Diagnóstico Mirage shows ads.

### Which is updated more often, Ref Tools or Código Diagnóstico Mirage?

Ref Tools ships an update every 5 weeks, and Código Diagnóstico Mirage every 7 months. Most recently, Ref Tools was updated on October 7, 2026 and Código Diagnóstico Mirage on September 22, 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.*