# SOS Remote vs Matrix Tech Quiz

The clearest difference is in-app purchases: SOS Remote at none against Matrix Tech Quiz's 1. SOS Remote also leads on ads (none vs shown) and device support (3 vs 1). Matrix Tech Quiz's advantage is update cadence (fortnightly vs every 8 months). On price and iOS requirement there is nothing between them.

Both are free to download. Matrix Tech Quiz sells 1 in-app purchase, starting at $0.99 per month. SOS Remote asks for nothing beyond the download.

SOS Remote ships an update every 8 months, Matrix Tech Quiz fortnightly. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SOS Remote | Matrix Tech Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sos-remote/id476665630/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 4 MB | 20 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NOAA Science On a Sphere](https://appshunter.io/developer/476665633) | [Lucas Yamashita](https://appshunter.io/developer/916405696) |

## What reviewers say

### SOS Remote

[App page](https://appshunter.io/ios/app/sos-remote/id476665630)

Control a Science On a Sphere® system with your mobile device. Adjust sphere orientation, manage datasets, and enhance presentations with interactive features. Ideal for educational settings.

**Highlights:** Adjust sphere orientation, Control dataset playback, Load presentation playlists, Search and browse data catalog, View dataset descriptions, Create presentation playlists, Draw on and zoom datasets, Dynamically adjust dataset layers

**In-app purchases:** none


### Matrix Tech Quiz

[App page](https://appshunter.io/ios/app/matrix-tech-quiz-codemaster/id6476903028)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tech Trivia PRO | $0.99 | per month |


## Frequently asked questions

### Is SOS Remote free?

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

### Is Matrix Tech Quiz free?

Matrix Tech Quiz is free to download, with in-app purchases available.

### Do SOS Remote or Matrix Tech Quiz have ads?

Matrix Tech Quiz shows ads; SOS Remote does not.

### Which is updated more often, SOS Remote or Matrix Tech Quiz?

SOS Remote ships an update every 8 months, and Matrix Tech Quiz fortnightly. Most recently, SOS Remote was updated on September 26, 2026 and Matrix Tech Quiz on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*