# HD Center vs CIASAT

HD Center and CIASAT are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, CIASAT every 3 months. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | HD Center | CIASAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 120 MB | 42 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [HD CENTER - PROJETOS LOCACOES E SERVICOS LTDA](https://appshunter.io/developer/1627739577) | [Reinaldo de Aguiar](https://appshunter.io/developer/1458113408) |

## 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


### CIASAT

[App page](https://appshunter.io/ios/app/ciasat/id6475118495)

**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 CIASAT free?

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

### Do HD Center or CIASAT have ads?

Neither HD Center nor CIASAT shows ads.

### Which is updated more often, HD Center or CIASAT?

HD Center ships an update every 4 months, and CIASAT every 3 months. Most recently, HD Center was updated on November 4, 2026 and CIASAT 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.*