# HD Center vs CDT 25

The clearest difference is update cadence: CDT 25 at weekly against HD Center's 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.

HD Center ships an update every 4 months, CDT 25 weekly. The most recent releases landed on September 28, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | HD Center | CDT 25 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 120 MB | 57 MB |
| Requires iOS | **13.4** | 14.0.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [HD CENTER - PROJETOS LOCACOES E SERVICOS LTDA](https://appshunter.io/developer/1627739577) | [Koddex Solucoes Digitais Ltda Me](https://appshunter.io/developer/966761844) |

## What reviewers say

### HD Center

[App page](https://appshunter.io/ios/app/hd-center/id6471662969)

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

**In-app purchases:** none


### CDT 25

[App page](https://appshunter.io/ios/app/cdt-25/id6737216029)

This event app allows attendees to view the schedule, favorite sessions, and learn about speakers and sponsors. It enhances the event experience with interactive features.

**Highlights:** View event schedule, Favorite sessions, See speaker information, Interact with sponsors, Event program details

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

**In-app purchases:** none


## Frequently asked questions

### Is HD Center free?

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

### Is CDT 25 free?

CDT 25 is free to download, with no in-app purchases.

### Do HD Center or CDT 25 have ads?

Neither HD Center nor CDT 25 shows ads.

### Which is updated more often, HD Center or CDT 25?

HD Center ships an update every 4 months, and CDT 25 weekly. Most recently, HD Center was updated on September 28, 2026 and CDT 25 on August 22, 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.*