# HCA vs yACK FAST

The clearest difference is update cadence: yACK FAST at every 2 months against HCA's every 4 months. HCA's advantage is iOS requirement (12.0 vs 15.6). 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.

HCA ships an update every 4 months, yACK FAST every 2 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HCA | yACK FAST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/hca/id869907178/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 15 MB | 9 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Quonset Technology, Inc](https://appshunter.io/developer/1200893792) | [Serialio Ltd.](https://appshunter.io/developer/333178140) |

## What reviewers say

### HCA

[App page](https://appshunter.io/ios/app/hca/id869907178)

Control your home's lighting, thermostat, and automation devices remotely. Monitor sensors, trigger programs, and manage keypads. Uses geofencing for automated actions when entering or leaving areas.

**Highlights:** Remote device control, Sensor status monitoring, Program execution, Keypad control, Geofencing automation, Log viewing and filtering, Custom icon synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


### yACK FAST

[App page](https://appshunter.io/ios/app/yack-fast/id1166008825)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HCA free?

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

### Is yACK FAST free?

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

### Do HCA or yACK FAST have ads?

Neither HCA nor yACK FAST shows ads.

### Which is updated more often, HCA or yACK FAST?

HCA ships an update every 4 months, and yACK FAST every 2 months. Most recently, HCA was updated on October 5, 2026 and yACK FAST on October 10, 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.*