---
title: "Ref Tools — App Overview"
url: https://marlvel.ai/intel-report/utilities/ref-tools
category: Utilities
developer: Danfoss A/S
platforms: ios, android
rating: 4.7 (9.9K ratings)
pricing: free
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T18:45:16.160Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers a robust set of technical utilities for HVACR professionals, recent user reports indicate significant stability issues and crashes on various iOS devices.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.7 ★ (9.9K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 6.73.1 |
| Latest Version (Android) | 6.73.1 |
| Developer | Danfoss A/S |

<!-- SECTION: Summary -->
## What is Ref Tools?

Ref Tools is a comprehensive utility suite developed by Danfoss A/S designed to assist HVACR technicians with field diagnostics and technical documentation. The app consolidates essential industry tools, including pressure/temperature calculators and system troubleshooting guides, into a single digital platform.

<!-- SECTION: Key Features -->
## Key Features

- **Refrigerant Slider**: Calculates pressure/temperature ratios and provides technical data for over 80 refrigerants.
- **Magnetic Tool**: Enables quick testing and troubleshooting of solenoid valve coils.
- **Troubleshooter**: Assists in diagnosing refrigeration system issues by identifying symptoms and recommending solutions.
- **Product Finder**: Provides access to product specifications, documentation, and visuals via code or category search.

<!-- SECTION: Target Audience -->
## Who is it for?

Professional HVACR technicians and field service installers.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/ref-tools/id472312541?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.danfoss.koolapp&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/ref-tools)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/ref-tools).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*