# VDI Events vs DECHEMA

The clearest difference is update cadence: DECHEMA at every 5 weeks against VDI Events's every 13 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.

VDI Events ships an update every 13 months, DECHEMA every 5 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | VDI Events | DECHEMA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/vdi-events/id1463798456/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 21 MB | 16 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VDI Wissensforum GmbH](https://appshunter.io/developer/1032652670) | [DECHEMA Gesellschaft für Chemische Technik und Biotechnologie e.V.](https://appshunter.io/developer/1277000376) |

## What reviewers say

### VDI Events

[App page](https://appshunter.io/ios/app/vdi-events/id1463798456)

Enhance your event experience with real-time program updates, networking tools, and interactive features. Plan your visit, connect with participants, and stay informed about important changes.

**Highlights:** Digital program customization, Participant networking and chat, Real-time event notifications, Interactive location map, Service information access, Live Q&A and surveys

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### DECHEMA

[App page](https://appshunter.io/ios/app/dechema-app/id6477532389)

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

**In-app purchases:** none


## Frequently asked questions

### Is VDI Events free?

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

### Is DECHEMA free?

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

### Do VDI Events or DECHEMA have ads?

Neither VDI Events nor DECHEMA shows ads.

### Which is updated more often, VDI Events or DECHEMA?

VDI Events ships an update every 13 months, and DECHEMA every 5 weeks. Most recently, VDI Events was updated on November 6, 2026 and DECHEMA on November 8, 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.*