# SSC Spring Engineering vs HySecurity Installer App

SSC Spring Engineering and HySecurity Installer App both sit at 4.6 stars, but that hides the real split: 100% of HySecurity Installer App's written reviews are positive against 50% of SSC Spring Engineering's. HySecurity Installer App also leads on iOS requirement (11.0 vs 15.1). SSC Spring Engineering's advantage is ratings volume (26 vs 8). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for SSC Spring Engineering against 4.5 for HySecurity Installer App. Both are backed by a comparable volume of ratings — 26 and 8 respectively. Written reviews are what separate them: 50% of SSC Spring Engineering's written reviews are positive against 100% of HySecurity Installer App's.

SSC Spring Engineering ships an update every 6 months, HySecurity Installer App every 9 months. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SSC Spring Engineering | HySecurity Installer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/ssc-spring-engineering/id1438112209/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/hysecurity-installer-app/id1501325597/reviews) |
| Number of ratings | **26** | 8 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 38 MB | 13 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Service Spring Corporation](https://appshunter.io/developer/342694497) | [Nice Spa](https://appshunter.io/developer/1063645984) |

## What reviewers say

### SSC Spring Engineering

[App page](https://appshunter.io/ios/app/ssc-spring-engineering/id1438112209)

This utility app assists with spring engineering calculations, including conversions, new designs, and comparisons. It helps determine spring and drum specifications for various applications, such as rolling steel doors, and calculates lifting capacities.

**Highlights:** Spring conversion, New spring engineering, Drum specification comparison, IPPT spring calculation, Rolling steel door spring design, Approximate pull calculation, Maximum lift capacity determination

**Features:** macOS Compatibility

**In-app purchases:** none


### HySecurity Installer App

[App page](https://appshunter.io/ios/app/hysecurity-installer-app/id1501325597)

This app allows professional installers to wirelessly connect with gate operator controllers to change settings, run diagnostics, and access documentation. It streamlines common configurations and allows for saving and sharing diagnostic logs.

**Highlights:** Wireless connection to gate controllers, Change and adjust settings, Run diagnostics and save logs, Store and reuse common configurations, Access documentation and diagrams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SSC Spring Engineering free?

SSC Spring Engineering is free to download, with no in-app purchases.

### Is HySecurity Installer App free?

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

### Which has better reviews, SSC Spring Engineering or HySecurity Installer App?

SSC Spring Engineering is rated higher. SSC Spring Engineering averages 4.6 out of 5 from 26 ratings, while HySecurity Installer App averages 4.5 from 8 ratings.

### Do SSC Spring Engineering or HySecurity Installer App have ads?

Neither SSC Spring Engineering nor HySecurity Installer App shows ads.

### Which is updated more often, SSC Spring Engineering or HySecurity Installer App?

SSC Spring Engineering ships an update every 6 months, and HySecurity Installer App every 9 months. Most recently, SSC Spring Engineering was updated on September 29, 2026 and HySecurity Installer App on September 23, 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.*