# uSpectrum MK350N vs SideRunner

The clearest difference is in-app purchases: uSpectrum MK350N at none against SideRunner's 2. uSpectrum MK350N also leads on iOS requirement (5.1.1 vs 13.4). SideRunner's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SideRunner sells 2 in-app purchases, starting at $9.99 per month. uSpectrum MK350N asks for nothing beyond the download.

uSpectrum MK350N ships an update every 2 months, SideRunner every 4 days. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | uSpectrum MK350N | SideRunner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 29 MB | 17 MB |
| Requires iOS | **5.1.1** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [United Power Research Technology Corporation](https://appshunter.io/developer/1501316337) | [Brent Rodgers](https://appshunter.io/developer/6777297528) |

## What reviewers say

### uSpectrum MK350N

[App page](https://appshunter.io/ios/app/uspectrum-mk350n/id677053717)

**Features:** macOS Compatibility

**In-app purchases:** none


### SideRunner

[App page](https://appshunter.io/ios/app/siderunner/id6777297526)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SideRunner Monthly | $9.99 | per month |
| SideRunner Annual | $89.99 | per year |


## Frequently asked questions

### Is uSpectrum MK350N free?

uSpectrum MK350N is free to download, with no in-app purchases.

### Is SideRunner free?

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

### Do uSpectrum MK350N or SideRunner have ads?

Neither uSpectrum MK350N nor SideRunner shows ads.

### Which is updated more often, uSpectrum MK350N or SideRunner?

uSpectrum MK350N ships an update every 2 months, and SideRunner every 4 days. Most recently, uSpectrum MK350N was updated on October 10, 2026 and SideRunner on October 20, 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.*