# Empolis Industrial Knowledge vs zDox

The clearest difference is review sentiment: zDox at 100% against Empolis Industrial Knowledge's 75%. zDox also leads on monetization model (free vs ad-supported). Empolis Industrial Knowledge's advantage is update cadence (every 4 weeks vs every 4 months). 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.

Empolis Industrial Knowledge ships an update every 4 weeks, zDox every 4 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Empolis Industrial Knowledge | zDox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 274 MB | 107 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Empolis Information Management GmbH](https://appshunter.io/developer/1293249623) | [Ginkgo Soft](https://appshunter.io/developer/924725312) |

## What reviewers say

### Empolis Industrial Knowledge

[App page](https://appshunter.io/ios/app/empolis-industrial-knowledge/id1376571362)

Access comprehensive service knowledge on your mobile device, both online and offline. Quickly find solutions to customer requests, create and share new service notes, and collaborate with colleagues to solve complex problems. Ensures data security and GDPR compliance.

**Highlights:** Mobile knowledge hub, Offline availability, Create and share service knowledge, Community and team knowledge collaboration, Intelligent search, GDPR compliant data security

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### zDox

[App page](https://appshunter.io/ios/app/zdox/id1436468541)

Effortlessly create, sign, and manage your documents digitally. This app allows for secure document handling, signature creation, and organization with features like folders and search.

**Highlights:** Create and sign documents, Secure document storage, Signature creation, Document organization with folders, Search functionality, Profile and security settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Empolis Industrial Knowledge free?

Empolis Industrial Knowledge is free to download, with no in-app purchases.

### Is zDox free?

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

### Do Empolis Industrial Knowledge or zDox have ads?

Neither Empolis Industrial Knowledge nor zDox shows ads.

### Which is updated more often, Empolis Industrial Knowledge or zDox?

Empolis Industrial Knowledge ships an update every 4 weeks, and zDox every 4 months. Most recently, Empolis Industrial Knowledge was updated on October 13, 2026 and zDox 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.*