# Captis vs HC Calibrator

The clearest difference is update cadence: HC Calibrator at every 5 weeks against Captis's every 20 months. HC Calibrator also leads on iOS requirement (13 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.

Captis ships an update every 20 months, HC Calibrator every 5 weeks. The most recent releases landed on October 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Captis | HC Calibrator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 weeks** |
| Size | 177 MB | 29 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONEIL](https://appshunter.io/developer/1649786402) | [杭州士腾科技有限公司](https://appshunter.io/developer/1679259852) |

## What reviewers say

### Captis

[App page](https://appshunter.io/ios/app/captis/id1658335877)

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

**In-app purchases:** none


### HC Calibrator

[App page](https://appshunter.io/ios/app/hc-calibrator/id6473139016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Captis free?

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

### Is HC Calibrator free?

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

### Do Captis or HC Calibrator have ads?

Neither Captis nor HC Calibrator shows ads.

### Which is updated more often, Captis or HC Calibrator?

Captis ships an update every 20 months, and HC Calibrator every 5 weeks. Most recently, Captis was updated on October 14, 2026 and HC Calibrator on September 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.*