# Sim Flights Tracker vs Universal Security Instruments

The clearest difference is ads: Universal Security Instruments at none against Sim Flights Tracker's shown. Universal Security Instruments also leads on monetization model (free vs ad-supported). Sim Flights Tracker's advantage is ratings volume (3 vs 1). On price, rating, update cadence and in-app purchases 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 — 5.0 for Sim Flights Tracker against 5.0 for Universal Security Instruments. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sim Flights Tracker | Universal Security Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/sim-flights-tracker/id1594401428/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/universal-security-instruments/id6756246978/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 106 MB | 200 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Donald Sepeng](https://appshunter.io/developer/1594401430) | [Feit Electric](https://appshunter.io/developer/1022520207) |

## What reviewers say

### Sim Flights Tracker

[App page](https://appshunter.io/ios/app/sim-flights-tracker/id1594401428)

Track live aircraft on the Vatsim and Ivao networks. View detailed flight information, network statistics, and an interactive map showing aircraft positions in real-time.

**Highlights:** Live aircraft tracking, Vatsim and Ivao network data, Flight information display, Network flight statistics, Custom interactive map

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

**In-app purchases:** none


### Universal Security Instruments

[App page](https://appshunter.io/ios/app/universal-security-instruments/id6756246978)

Manage and control your smart security and environmental devices remotely. This app offers a central hub for all your connected products, allowing for easy setup, monitoring, and sharing of device access with others.

**Highlights:** Remote device management, Monitor devices globally, Share device access, Simple and secure setup, Centralized hub for USI products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sim Flights Tracker free?

Sim Flights Tracker is free to download, with no in-app purchases.

### Is Universal Security Instruments free?

Universal Security Instruments is free to download, with no in-app purchases.

### Which has better reviews, Sim Flights Tracker or Universal Security Instruments?

Sim Flights Tracker and Universal Security Instruments are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Sim Flights Tracker or Universal Security Instruments have ads?

Sim Flights Tracker shows ads; Universal Security Instruments does not.

### Which is updated more often, Sim Flights Tracker or Universal Security Instruments?

Sim Flights Tracker ships an update every 2 months, and Universal Security Instruments every 2 months. Most recently, Sim Flights Tracker was updated on June 5, 2026 and Universal Security Instruments on September 30, 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.*