# ESBE vs Öltankschau

The clearest difference is review sentiment: ESBE at 83% against Öltankschau's 0%. ESBE also leads on update cadence (every 5 months vs every 11 months). Öltankschau's advantage is iOS requirement (9.3 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ESBE ships an update every 5 months, Öltankschau every 11 months. The most recent releases landed on September 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ESBE | Öltankschau |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 5 MB | 31 MB |
| Requires iOS | 17.0 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESBE AB](https://appshunter.io/developer/1287612322) | [ConSoft](https://appshunter.io/developer/397747217) |

## What reviewers say

### ESBE

[App page](https://appshunter.io/ios/app/esbe/id554443104)

This app helps plumbers, installers, and planners select the correct ESBE valve and determine the appropriate Kvs value. It provides technical details on valve series and offers contact information for the company.

**Highlights:** ESBE valve selection tool, Kvs value calculation, Technical information on valve series, Company contact details

**Features:** macOS Compatibility

**In-app purchases:** none


### Öltankschau

[App page](https://appshunter.io/ios/app/oltankschau/id1295099783)

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.

**Highlights:** Objective assessment of heating oil tanks, Follows AwSV and TRwS regulations, Quick system evaluation, Detailed regulatory guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESBE free?

ESBE is free to download, with no in-app purchases.

### Is Öltankschau free?

Öltankschau is free to download, with no in-app purchases.

### Do ESBE or Öltankschau have ads?

Neither ESBE nor Öltankschau shows ads.

### Which is updated more often, ESBE or Öltankschau?

ESBE ships an update every 5 months, and Öltankschau every 11 months. Most recently, ESBE was updated on September 10, 2026 and Öltankschau on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*