Comparison

Installer App vs ViParts

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Installer App

This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

Highlights
  • Radiator Presetting
  • Product Finder
  • My Projects (Cloud-based)
  • Hydronic Balancing
  • Flow/Pressure Calculator
  • Floor Heating Tools
  • Burner Converter
  • Magnetic Tool
Features
Read full description

The Danfoss Installer app is an all-in-one digital toolbox that helps plumbers, heating and HVAC professionals, service technicians, engineers, and installers with your everyday tasks. For projects big and small, our comprehensive toolbox equips you with the latest product information, installation guides and advanced features to streamline your work, making your daily tasks easier. Simplify project management with customizable databases to track your work and pick up where you left off, anytime you need. The Danfoss Installer app offers a collection of useful tools and features: Radiator Presetting Set proper values based on valve, sensor, and radiator type, or alternatively by room size and heat loss. Get the heat emission, flow, and presetting right every time. Product Finder Search and access comprehensive product information, documentation, and details. Download Danfoss product documentation directly in the app. My Projects Make project management easier by creating a list of your clients and jobs, saving contact and building information, calculating system properties, and presetting for radiator and underfloor heating. Cloud-based, My Projects allows you to save everything in one spot for easy overview and fast access across all your devices. Hydronic Balancing Determine accurate system heat output with precise flow calculations. Tailor settings to valve type, handle position, and measured pressure. Flow/Pressure calculator Calculate, convert, or verify pressure, flow, power, and temperature (values or units). Floor heating Specify circuit lengths and calculate presetting for your floor heating manifolds. Select floor heating pipe type and dimensions, define heat loss, and divide rooms into circuits. Burner Converter Modify burner components and find spare parts in a matter of seconds, while keeping an overview of product updates and alternatives. Magnetic Tool Test solenoid valve coils quickly and easily. If the wheel rotates, your valve is good to go. Timer Replacement Select the appropriate timer replacement for a Danfoss or third-party unit. Installation guides are available as well. Feedback Your input matters, and we're committed to continuously improving Installer App 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 coolapp@danfoss.com. 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.

About

ViParts

Access comprehensive information on spare parts and place orders directly. Identify parts using exploded drawings, barcode scanning, and compatibility checks. View technical documents and check availability and pricing.

Highlights
  • Spare part identification via exploded drawings
  • Barcode scanner for material numbers
  • Maintenance parts display
  • Product and spare part compatibility check
  • Direct spare part ordering
  • Access to technical documents
  • Availability and price display
Features
Read full description

The Viessmann ViParts app offers you as a Viessmann partner the opportunity to see all information about our spare parts and order them directly. The following functions are available in ViParts: - Identification of all spare part in exploded drawings and parts lists - Barcode scanner for reading in material numbers - Display of all maintenance parts for the products - Compatibility check between product and spare part - Ordering of spare parts - Availability of all technical documents - Display of availability and prices (with login)

Screenshots

Installer App4 screens
ViParts4 screens

Verdict

The call

The clearest difference is review sentiment: Installer App at 50% against ViParts's 15%. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Installer App ships an update every 5 weeks, ViParts every 3 weeks. The most recent releases landed on September 1, 2026 and September 16, 2026 respectively.

Scorecard1 real difference · 9 level
Installer App versus ViParts: the parameters behind the verdict, then further details
ParameterInstaller AppViParts
PriceFreeFree
Rating3.0 (7 ratings) — better—
Positive reviews50.0% of reviews — better15.4% of reviews
Number of ratings7 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size90 MB33 MB
Age rating4+4+
DeveloperDanfoss A/SViessmann IT Service GmbH

Customer experience

Installer App

All ratings7 ratings
Positive42.9%
Neutral0.0%
Negative57.1%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

ViParts

Written reviews13 reviews
Positive15.4%
Neutral15.4%
Negative69.2%

In-app purchases

None

Installer App

No in-app purchases

None

ViParts

No in-app purchases

Questions

Is Installer App free?
Installer App is free to download, with no in-app purchases.
Is ViParts free?
ViParts is free to download, with no in-app purchases.
Do Installer App or ViParts have ads?
Neither Installer App nor ViParts shows ads.
Which is updated more often, Installer App or ViParts?
Installer App ships an update every 5 weeks, and ViParts every 3 weeks. Most recently, Installer App was updated on September 1, 2026 and ViParts on September 16, 2026.

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