# glasstec  App vs CTBUH

The clearest difference is review sentiment: CTBUH at 100% against glasstec  App's 0%. CTBUH also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

glasstec  App ships an update every 5 weeks, CTBUH every 2 months. The most recent releases landed on October 19, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | glasstec  App | CTBUH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ctbuh/id6593696572/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 68 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Messe Düsseldorf GmbH](https://appshunter.io/developer/396662243) | [COUNCIL ON TALL BUILDINGS AND URBAN HABITAT](https://appshunter.io/developer/1470487290) |

## What reviewers say

### glasstec  App

[App page](https://appshunter.io/ios/app/glasstec-app/id553435857)

Plan your visit to a major glass industry trade fair with this app. Access exhibitor details, interactive maps, and news updates. Save favorites and get all essential trade fair information in one place.

**Highlights:** Interactive exhibition maps, Offline exhibitor search, Personalized favorites list, Latest industry news, Trade fair visitor information, Calendar and Maps integration

**Features:** macOS Compatibility

**In-app purchases:** none


### CTBUH

[App page](https://appshunter.io/ios/app/ctbuh/id6593696572)

Access the complete program, speaker details, and sponsor information for CTBUH conferences. This app is designed for attendees to enhance their conference experience.

**Highlights:** View full conference program, Access speaker information, See sponsor details, Enhance attendee experience, Conference networking tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is glasstec  App free?

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

### Is CTBUH free?

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

### Do glasstec  App or CTBUH have ads?

Neither glasstec  App nor CTBUH shows ads.

### Which is updated more often, glasstec  App or CTBUH?

glasstec  App ships an update every 5 weeks, and CTBUH every 2 months. Most recently, glasstec  App was updated on October 19, 2026 and CTBUH on September 27, 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.*