# THEOREM CONCEPTS vs XTRAK

The clearest difference is review sentiment: THEOREM CONCEPTS at 50% against XTRAK's 10%. THEOREM CONCEPTS also leads on iOS requirement (12.0 vs 14.1). XTRAK's advantage is update cadence (every 2 months vs every 9 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

THEOREM CONCEPTS ships an update every 9 months, XTRAK every 2 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | THEOREM CONCEPTS | XTRAK |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 43 MB | 39 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THEOREM Pty Ltd](https://appshunter.io/developer/1280266469) | [UNIDEN AUSTRALIA PTY. LIMITED](https://appshunter.io/developer/674386810) |

## What reviewers say

### THEOREM CONCEPTS

[App page](https://appshunter.io/ios/app/theorem-concepts/id1280266470)

This application functions as a remote control specifically for recliners. It allows users to operate their compatible recliner chairs directly from their iPhone or iPod.

**Highlights:** Recliner remote control, iPhone and iPod compatible, Dedicated recliner operation

**Features:** macOS Compatibility

**In-app purchases:** none


### XTRAK

[App page](https://appshunter.io/ios/app/xtrak/id1550538625)

Control your Uniden XTRAK PRO series UHF CB radio settings directly from your smartphone. Save and share your location with built-in GPS tracking features. Stay updated with the latest radio software versions.

**Highlights:** Manage radio settings, Save and share location, Utilize phone's GPS, Check radio software version

**In-app purchases:** none


## Frequently asked questions

### Is THEOREM CONCEPTS free?

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

### Is XTRAK free?

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

### Do THEOREM CONCEPTS or XTRAK have ads?

Neither THEOREM CONCEPTS nor XTRAK shows ads.

### Which is updated more often, THEOREM CONCEPTS or XTRAK?

THEOREM CONCEPTS ships an update every 9 months, and XTRAK every 2 months. Most recently, THEOREM CONCEPTS was updated on June 1, 2026 and XTRAK on September 17, 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.*