Öltankschau vs ViParts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Öltankschau
This app provides a quick and objective assessment of heating oil tank systems. It follows current regulations from AwSV and TRwS, specifically TRwS 791-1 and 2. More information is available on the developer's website.
- Objective assessment of heating oil tanks
- Follows AwSV and TRwS regulations
- Quick system evaluation
- Detailed regulatory guidance
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Herzlich willkommen bei der Öltankschau, die Sie zu einer schnellen und objektiven Beurteilung der Heizöltankanlage führt. Die Kriterien und Bewertung orientiert sich an den aktuellen Vorschriften der AwSV, der TRWS- speziell TRwS 791-1 und 2. Weitere Informationen finden sie auf www.öltankschau.de.
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 Öltankschau's every 11 months. ViParts also leads on review sentiment (14% vs 0%). Öltankschau's advantage is iOS requirement (9.3 vs 15.0). On price, ads, in-app purchases and monetization model 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.
Öltankschau ships an update every 11 months, ViParts every 3 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Öltankschau | ViParts |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 14.3% of reviews — better |
| Update frequency | Every 11 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 | 9.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 31 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | ConSoft | Viessmann IT Service GmbH |
Customer experience
Öltankschau
ViParts
In-app purchases
Öltankschau
No in-app purchases
ViParts
No in-app purchases
