# StarLine Master vs OSIstem

StarLine Master and OSIstem 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.

StarLine Master ships an update every 2 months, OSIstem every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StarLine Master | OSIstem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/starline-master/id1496343179/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 55 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [StarLine LLC](https://appshunter.io/developer/492074740) | [Elnar Shayakhmetov](https://appshunter.io/developer/1870628506) |

## What reviewers say

### StarLine Master

[App page](https://appshunter.io/ios/app/starline-master/id1496343179)

This application allows professional installers to configure and update a variety of security devices. It is intended exclusively for fitters and not for end-users. For customer-facing control and configuration, a separate application is available.

**Highlights:** Configure StarLine devices, Update StarLine devices, Wide range of device support, Professional installer focused

**Features:** Vision Pro support

**In-app purchases:** none


### OSIstem

[App page](https://appshunter.io/ios/app/osistem/id6760261183)

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

**In-app purchases:** none


## Frequently asked questions

### Is StarLine Master free?

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

### Is OSIstem free?

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

### Do StarLine Master or OSIstem have ads?

Neither StarLine Master nor OSIstem shows ads.

### Which is updated more often, StarLine Master or OSIstem?

StarLine Master ships an update every 2 months, and OSIstem every 3 months. Most recently, StarLine Master was updated on November 3, 2026 and OSIstem on October 31, 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.*