# Vista Viewer vs DuoImage Viewer

The clearest difference is price: Vista Viewer at Free against DuoImage Viewer's $1.99. Vista Viewer also leads on update cadence (fortnightly vs every 5 weeks). DuoImage Viewer's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Vista Viewer is free to download; DuoImage Viewer costs $1.99 up front. Vista Viewer sells 2 in-app purchases, starting at $4.99 per month. DuoImage Viewer asks for nothing beyond the download.

Vista Viewer ships an update fortnightly, DuoImage Viewer every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Vista Viewer | DuoImage Viewer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vista-viewer/id6758537513/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles Dusek](https://appshunter.io/developer/1844147130) | [余 杨](https://appshunter.io/developer/6784909940) |

## What reviewers say

### Vista Viewer

[App page](https://appshunter.io/ios/app/vista-viewer/id6758537513)

This app allows you to view VR180 and standard 2D videos on your iPhone or iPad without a headset. It offers intuitive touch controls for exploration, multiple projection modes, and optimized performance for immersive playback.

**Highlights:** VR180 SBS playback, Multiple projection modes, Interactive camera controls, Stereo preview, Accurate FOV handling, Local file playback

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional | $4.99 | per month |
| Professional Lifetime | $24.99 | one-time |


### DuoImage Viewer

[App page](https://appshunter.io/ios/app/duoimage-viewer/id6788791560)

**In-app purchases:** none


## Frequently asked questions

### Is Vista Viewer free?

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

### Is DuoImage Viewer free?

DuoImage Viewer costs $1.99, with no in-app purchases.

### Do Vista Viewer or DuoImage Viewer have ads?

Neither Vista Viewer nor DuoImage Viewer shows ads.

### Which is updated more often, Vista Viewer or DuoImage Viewer?

Vista Viewer ships an update fortnightly, and DuoImage Viewer every 5 weeks. Most recently, Vista Viewer was updated on October 31, 2026 and DuoImage Viewer on October 31, 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.*