# V390 vs HON Viewer

The clearest difference is ads: HON Viewer at none against V390's shown. HON Viewer also leads on update cadence (weekly vs every 3 months) and iOS requirement (8.0 vs 12.0). On price, 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.

V390 ships an update every 3 months, HON Viewer weekly. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | V390 | HON Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Size | 563 MB | 26 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国强 孙](https://appshunter.io/developer/1051177733) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### V390

[App page](https://appshunter.io/ios/app/v390/id1110261089)

**Features:** macOS Compatibility

**In-app purchases:** none


### HON Viewer

[App page](https://appshunter.io/ios/app/hon-viewer/id1227351396)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is V390 free?

V390 is free to download, with no in-app purchases.

### Is HON Viewer free?

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

### Do V390 or HON Viewer have ads?

V390 shows ads; HON Viewer does not.

### Which is updated more often, V390 or HON Viewer?

V390 ships an update every 3 months, and HON Viewer weekly. Most recently, V390 was updated on October 18, 2026 and HON Viewer on October 19, 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.*