# SpacePlus vs USim OS

The clearest difference is update cadence: USim OS at weekly against SpacePlus's monthly. USim OS also leads on iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

SpacePlus ships an update monthly, USim OS weekly. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SpacePlus | USim OS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 67 MB | 77 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nichcom Go](https://appshunter.io/developer/1687650456) | [Ruiyu Chen](https://appshunter.io/developer/1762343435) |

## What reviewers say

### SpacePlus

[App page](https://appshunter.io/ios/app/spaceplus/id6449088689)

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

**In-app purchases:** none


### USim OS

[App page](https://appshunter.io/ios/app/usim-os/id6740407423)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpacePlus free?

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

### Is USim OS free?

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

### Do SpacePlus or USim OS have ads?

Neither SpacePlus nor USim OS shows ads.

### Which is updated more often, SpacePlus or USim OS?

SpacePlus ships an update monthly, and USim OS weekly. Most recently, SpacePlus was updated on September 10, 2026 and USim OS on September 16, 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.*