Ref Tools app icon

Ref Tools

The all-in-one app for air conditioning and refrigeration technicians.

Danfoss A/S · com.danfoss.koolapp

4.0 out of 5 (2 ratings) 1M+ downloads v6.78.1 49.2 MB Android 6.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v6.78.1 (984)
Updated
Sep 26, 2026 (13 days ago)
APK size
49.2 MB
Requires
Android 6.0+ (API 23)
CPU support
x86 64-bit, ARM 64-bit
Category
Tools (app)
Listed since
Apr 8, 2021 (at least)
Permissions
16 (5 sensitive)
Website
danfoss.com/BusinessAreas/RefrigerationAndAirConditioning
Developer contact
[email protected]

About this APK

Ref Tools is an app by Danfoss A/S in the Tools category, listed since at least April 2021. It includes native code only for x86 64-bit and ARM 64-bit, so it won't install on phones that can only run 32-bit apps.

Since version 6.70.1, the minimum Android version rose from 5.0 to 6.0. It asks for 16 permissions, 5 of them sensitive, including precise location, camera and approximate location. It asks for the same permissions as version 6.77.2.

What's new in v6.78.1

Translations fixes and performance improvements.

Description

From the listing uploaded by “appupdater”.

Get the guidance, support, information, and tools you need—on the job and in the field. Ref Tools is a free, powerful app that contains essential tools every air conditioning and refrigeration technician needs in their digital toolbelt. Ref Tools offers a collection of useful air conditioning and refrigeration tools: Refrigerant Slider As a featured part of Ref Tools, you get all the features and functionality that made Refrigerant Slider a hit with millions of installers around the world. Quickly calculate pressure/temperature ratios and find essential information on over 140 refrigerants. Magnetic Tool Test and troubleshoot solenoid valve coils quickly and easily. Troubleshooter Get help diagnosing issues in refrigeration systems, so you can quickly identify symptoms and find recommended solutions. Product Finder Find extensive product-related data in one place. Search by product code number or product category to access and share product specifications, documentation, visuals, and more. Spare Parts Access and order an extensive list of Danfoss spare parts and service kits for air conditioning and refrigeration applications. Low-GWP Tool Find and compare climate-friendly refrigerants for retrofitting by checking compatibility with the TXV. TXV Superheat Tuner Optimize superheat in less than 15 minutes. Using advanced algorithms, TXV Superheat Tuner provides valve-specific adjustment recommendations. Podcasts The workday can be full and the road long, so Ref Tools also provides you with some educational entertainment. You can listen to podcasts, including the popular Chilling with Jens podcast, directly in the app. So, take a break and chill out a bit while learning something new about refrigeration. More about Refrigerant Slider Refrigerant Slider, now a part of Ref Tools, helps you quickly calculate the pressure-to-temperature ratio for more than 80 refrigerants, including natural refrigerants such as ammonia and transcritical CO2. Refrigerant Slider also provides you with information about each refrigerant, including Global Warming Potential (GWP) and Ozone Depleting Potential (ODP). You can switch between the IPCC AR4 and AR5 values, where AR4 values are used in relation to the European F-Gas regulations. Refrigerant Slider’s P/T calculations use extended curve–fitting models based on Refprop 10 results. You can also see both dew and bubble point for refrigerants with glide. Streamline your workflow Ref Tools goes beyond just providing quick access to helpful tools; it helps you save time by allowing you to track your most visited service sites and save unique settings for each one. Simplify each service call with ease. Feedback Your input matters – we would love to hear it from you. We're committed to continuously improving Ref Tools to meet your needs. If you encounter a bug or have a feature suggestion, please use the in-app feedback function available in Settings. Alternatively, you can reach us via email at [email protected]. Danfoss Climate Solutions At Danfoss Climate Solutions, we engineer energy-efficient solutions to help the world get more out of less. Our innovative products and solutions enable a decarbonized, digital, and more sustainable tomorrow, and our technology supports a cost-efficient transition to renewable energy sources. With a strong foundation in quality, people, and the climate, we drive the energy, refrigerant, and food system transitions needed to achieve climate goals. Read more about us at www.danfoss.com. Terms and Conditions apply for use of the app.

Version history

4 versions are listed, going back to v6.70.1. Since v6.73.1 it requires Android 6.0+.

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 26, 2026.
  • Certificate issued to “NewGround” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature verified Sep 26, 2026
  • Validated against Google Play Sep 26, 2026
  • Signed byCN=NewGround, OU=Mobile games division, O=NewGround, L=Kiev, ST=Kiev, C=UA
  • Signing certificate (SHA-1)FD:21:16:B0:FC:CF:BD:33:05:61:C6:4B:2E:72:2C:19:C4:6A:3F:9C
  • File MD53b4858ed3b8c1e9e891a226fd078bb81
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (16)

Ref Tools requests 16 permissions, 5 of them sensitive.

Required hardware & features

Ref Tools APK: questions and answers

Is there a version of Ref Tools for older Android phones?

The current version needs Android 6.0 or later. Version 6.70.1 is the newest listed build that installs on Android 5.0 and later. Get version 6.70.1 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Ref Tools APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 3b4858ed3b8c1e9e891a226fd078bb81.

Tags

More Tools apps