# VisionX Previewer vs MillOne

The clearest difference is update cadence: MillOne at monthly against VisionX Previewer's every 3 months. MillOne also leads on iOS requirement (14.0 vs 16.0). 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.

VisionX Previewer ships an update every 3 months, MillOne monthly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | VisionX Previewer | MillOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 41 MB | 28 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SIB Visions](https://appshunter.io/developer/829822362) | [Voith Digital Solutions Inc](https://appshunter.io/developer/1281566238) |

## What reviewers say

### VisionX Previewer

[App page](https://appshunter.io/ios/app/visionx-previewer/id1566210577)

**Features:** macOS Compatibility

**In-app purchases:** none


### MillOne

[App page](https://appshunter.io/ios/app/millone/id6755435148)

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

**In-app purchases:** none


## Frequently asked questions

### Is VisionX Previewer free?

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

### Is MillOne free?

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

### Do VisionX Previewer or MillOne have ads?

Neither VisionX Previewer nor MillOne shows ads.

### Which is updated more often, VisionX Previewer or MillOne?

VisionX Previewer ships an update every 3 months, and MillOne monthly. Most recently, VisionX Previewer was updated on September 17, 2026 and MillOne on September 10, 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.*