# USB vs EnnoVision

The clearest difference is update cadence: EnnoVision at every 4 weeks against USB's every 3 months. 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.

USB ships an update every 3 months, EnnoVision every 4 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | USB | EnnoVision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 201 MB | 18 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Merry-Link Co.,Ltd.](https://appshunter.io/developer/1040729128) | [EnnoVision INC.](https://appshunter.io/developer/1739150644) |

## What reviewers say

### USB

[App page](https://appshunter.io/ios/app/usb-921/id1539400908)

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

**In-app purchases:** none


### EnnoVision

[App page](https://appshunter.io/ios/app/ennovision/id6480473575)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USB free?

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

### Is EnnoVision free?

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

### Do USB or EnnoVision have ads?

Neither USB nor EnnoVision shows ads.

### Which is updated more often, USB or EnnoVision?

USB ships an update every 3 months, and EnnoVision every 4 weeks. Most recently, USB was updated on October 27, 2026 and EnnoVision on October 27, 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.*