# OptoFitting vs Gilsa Security System

The clearest difference is in-app purchases: Gilsa Security System at none against OptoFitting's 2. Gilsa Security System also leads on iOS requirement (13.0 vs 15.6). OptoFitting's advantage is update cadence (monthly vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. OptoFitting sells 2 in-app purchases, starting at $19.99 per month. Gilsa Security System asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OptoFitting against 5.0 for Gilsa Security System. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

OptoFitting ships an update monthly, Gilsa Security System every 3 months. The most recent releases landed on September 18, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | OptoFitting | Gilsa Security System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/optofitting/id1576655068/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gilsa-security-system/id6450709178/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 44 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Alireza Nazer](https://appshunter.io/developer/1576655070) | [Arian Taheri Nakhost](https://appshunter.io/developer/1694506567) |

## What reviewers say

### OptoFitting

[App page](https://appshunter.io/ios/app/optofitting/id1576655068)

Streamline progressive and single-vision lens fitting with precise, repeatable measurements. This app guides you through capturing key fitting parameters using a 3D printed jig and your device, reducing errors and speeding up the process for eyewear professionals.

**Highlights:** Precise fitting measurements, Step-by-step workflow, 3D printable jig included, Tutorial videos and FAQs, Reduces fitting errors, Fast workflow for professionals

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month(+3 Month free) | $19.99 | per month |
| Premium 6 Month(+3 Month free) | $106.99 | per 6 months |


### Gilsa Security System

[App page](https://appshunter.io/ios/app/gilsa-security-system/id6450709178)

Manage and monitor your Gilsa Security System remotely with this application. It offers seamless control for enhanced safety and peace of mind for your home or office.

**Highlights:** Remote system monitoring, Seamless control, Enhanced home security, Office security management, Peace of mind

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OptoFitting free?

OptoFitting is free to download, with in-app purchases available.

### Is Gilsa Security System free?

Gilsa Security System is free to download, with no in-app purchases.

### Which has better reviews, OptoFitting or Gilsa Security System?

OptoFitting and Gilsa Security System are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do OptoFitting or Gilsa Security System have ads?

Neither OptoFitting nor Gilsa Security System shows ads.

### Which is updated more often, OptoFitting or Gilsa Security System?

OptoFitting ships an update monthly, and Gilsa Security System every 3 months. Most recently, OptoFitting was updated on September 18, 2026 and Gilsa Security System on June 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.*