# ZioMobile vs VidistarViewer

The clearest difference is iOS requirement: ZioMobile at 8.0 against VidistarViewer's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZioMobile ships an update every 46 months, VidistarViewer every 30 months. The most recent releases landed on September 12, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | ZioMobile | VidistarViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vidistarviewer/id590259379/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 30 months** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Ziosoft Inc](https://appshunter.io/developer/355359696) | [VidiStar, LLC](https://appshunter.io/developer/590259382) |

## What reviewers say

### ZioMobile

[App page](https://appshunter.io/ios/app/ziomobile/id355359693)

**Features:** macOS Compatibility

**In-app purchases:** none


### VidistarViewer

[App page](https://appshunter.io/ios/app/vidistarviewer/id590259379)

Access and review medical images, videos, and diagnostic reports instantly on your mobile device. Enhance patient understanding by showing them their studies directly. Supports various diagnostic DICOM studies for comprehensive review.

**Highlights:** Instant access to medical images and reports, View still images and video clips, Review diagnostic DICOM studies, Access patient information, Review studies from any location, Patient engagement tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZioMobile free?

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

### Is VidistarViewer free?

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

### Do ZioMobile or VidistarViewer have ads?

Neither ZioMobile nor VidistarViewer shows ads.

### Which is updated more often, ZioMobile or VidistarViewer?

ZioMobile ships an update every 46 months, and VidistarViewer every 30 months. Most recently, ZioMobile was updated on September 12, 2026 and VidistarViewer on June 28, 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.*