# Endress+Hauser Discovery Sales vs Construction Defect Tracker

The clearest difference is update cadence: Construction Defect Tracker at every 3 weeks against Endress+Hauser Discovery Sales's every 5 months. Endress+Hauser Discovery Sales's advantage is iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Endress+Hauser Discovery Sales ships an update every 5 months, Construction Defect Tracker every 3 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Endress+Hauser Discovery Sales | Construction Defect Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 53 MB | 2 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Endress and Hauser Instruments International AG](https://appshunter.io/developer/513969520) | [Michael Roennau](https://appshunter.io/developer/1499959874) |

## What reviewers say

### Endress+Hauser Discovery Sales

[App page](https://appshunter.io/ios/app/endress-plus-hauser-discovery-sales/id1062322814)

**In-app purchases:** none


### Construction Defect Tracker

[App page](https://appshunter.io/ios/app/construction-defect-tracker/id6460030445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Endress+Hauser Discovery Sales free?

Endress+Hauser Discovery Sales is free to download, with no in-app purchases.

### Is Construction Defect Tracker free?

Construction Defect Tracker is free to download, with no in-app purchases.

### Do Endress+Hauser Discovery Sales or Construction Defect Tracker have ads?

Neither Endress+Hauser Discovery Sales nor Construction Defect Tracker shows ads.

### Which is updated more often, Endress+Hauser Discovery Sales or Construction Defect Tracker?

Endress+Hauser Discovery Sales ships an update every 5 months, and Construction Defect Tracker every 3 weeks. Most recently, Endress+Hauser Discovery Sales was updated on October 5, 2026 and Construction Defect Tracker on October 14, 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.*