# YDEM vs Liander BouwApp

The clearest difference is update cadence: YDEM at monthly against Liander BouwApp's every 5 months. YDEM also leads on iOS requirement (13.0 vs 15.0). 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.

YDEM ships an update monthly, Liander BouwApp every 5 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | YDEM | Liander BouwApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 37 MB | 66 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Good! B.V.](https://appshunter.io/developer/1646441283) | [Concepteurs BV](https://appshunter.io/developer/960085713) |

## What reviewers say

### YDEM

[App page](https://appshunter.io/ios/app/ydem/id1495825892)

Enhance your trade show experience with this digital event manager. Discover new products, save information, register for seminars, and stay updated on all sustainable trade fairs.

**Highlights:** Find new products, Scan product information, Save information, Register for seminars, Stay informed of event details

**Features:** Vision Pro support

**In-app purchases:** none


### Liander BouwApp

[App page](https://appshunter.io/ios/app/liander-bouwapp/id6448183499)

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

**In-app purchases:** none


## Frequently asked questions

### Is YDEM free?

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

### Is Liander BouwApp free?

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

### Do YDEM or Liander BouwApp have ads?

Neither YDEM nor Liander BouwApp shows ads.

### Which is updated more often, YDEM or Liander BouwApp?

YDEM ships an update monthly, and Liander BouwApp every 5 months. Most recently, YDEM was updated on November 13, 2026 and Liander BouwApp on November 7, 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.*