ConXus vs ViParts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ConXus
Remotely monitor and adjust boiler operating conditions and parameters from any smart device. Control set points, hot water, pump settings, and more for single boilers or multi-unit systems. Stay connected and in command of your heating system from anywhere.
- Remote boiler monitoring
- Adjust boiler parameters
- Receive status alerts
- Control set points
- Manage domestic hot water
- Reprogram boiler functions
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From anywhere in the world, check operating conditions, receive status alerts and modify boiler parameters, using a smart device. From a single boiler to an 8-unit cascade system, check operating status or reprogram any boiler function. Wherever you are, you’ll be able to control set points, domestic hot water, reset curves, pump controls and more. Con-X-Us mobile connect will keep you in touch and in control.
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.
- 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
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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
Verdict
The clearest difference is update cadence: ViParts at every 3 weeks against ConXus's every 2 months. ViParts also leads on iOS requirement (15.0 vs 17.6). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ConXus ships an update every 2 months, ViParts every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | ConXus | ViParts |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (27 ratings) — better | — |
| Positive reviews | 14.3% of reviews | 14.3% of reviews |
| Number of ratings | 27 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Lochinvar Corporation | Viessmann IT Service GmbH |
Customer experience
ConXus
ViParts
In-app purchases
ConXus
No in-app purchases
ViParts
No in-app purchases
