KEMPER HS2 vs ViParts
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
KEMPER HS2
Configure and manage your KHS-HS2 Hygiene-Flushing Box. View settings, read flushing logs, and easily update firmware for your device.
- Configure Hygiene-Flushing Box
- Display adjustment values
- Read flushing logs
- Transmit firmware updates
- Manage KHS-HS2 settings
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With the KEMPER HS2 app you can totally configure the KHS-HS2 Hygiene-Flushing Box. It facilitates displaying the adjustment values and reads out the flushing logs. It is simple to transmit firmware updates for the KHS-HS2 through the app.
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 review sentiment: KEMPER HS2 at 100% against ViParts's 14%. ViParts's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KEMPER HS2 ships an update every 4 months, ViParts every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | KEMPER HS2 | ViParts |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews โ better | 14.3% of reviews |
| Update frequency | Every 4 months | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 29 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Gebr. Kemper GmbH + Co. KG | Viessmann IT Service GmbH |
Customer experience
KEMPER HS2
ViParts
In-app purchases
KEMPER HS2
No in-app purchases
ViParts
No in-app purchases









