# StereoPix vs MPO Viewer

The clearest difference is iOS requirement: StereoPix at 15.0 against MPO Viewer's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StereoPix sells 1 one-off in-app purchase and MPO Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | StereoPix | MPO Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 87 MB | 65 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Curious Labs](https://appshunter.io/developer/309017449) | [G.G. van der Steen](https://appshunter.io/developer/6800212440) |

## What reviewers say

### StereoPix

[App page](https://appshunter.io/ios/app/stereopix/id6746946764)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $9.99 | one-time |


### MPO Viewer

[App page](https://appshunter.io/ios/app/mpo-viewer/id6800211928)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MPO Viewer Pro | $4.99 | one-time |


## Frequently asked questions

### Is StereoPix free?

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

### Is MPO Viewer free?

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

### Do StereoPix or MPO Viewer have ads?

Neither StereoPix nor MPO Viewer shows ads.

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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.*