# PortView for Mobile vs CDA Test Prep

The clearest difference is in-app purchases: PortView for Mobile at none against CDA Test Prep's 3. CDA Test Prep's advantage is update cadence (daily vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CDA Test Prep sells 3 one-off in-app purchases. PortView for Mobile asks for nothing beyond the download.

PortView for Mobile ships an update every 3 months, CDA Test Prep daily. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PortView for Mobile | CDA Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/portview-for-mobile/id1399551218/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 80 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [GENORAY. CO., LTD](https://appshunter.io/developer/765145956) | [Med Preps LLC](https://appshunter.io/developer/537568868) |

## What reviewers say

### PortView for Mobile

[App page](https://appshunter.io/ios/app/portview-for-mobile/id1399551218)

This medical app wirelessly connects to portable X-ray devices to receive, store, and manage dental diagnostic images. It allows for patient management, requesting X-rays, viewing thumbnails, and diagnosing images with various editing tools. Images can also be saved to your device's gallery.

**Highlights:** Wireless connection to PORT-X IV, Patient management (register, modify, delete, search), Request X-ray shots, Thumbnail image viewing, Image diagnosis and consultation tools, Save images to device gallery

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

**In-app purchases:** none


### CDA Test Prep

[App page](https://appshunter.io/ios/app/cda-test-prep/id6776684816)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 48-Hour Access | $19.99 | one-time |
| 30-Day Access | $39.99 | one-time |
| Unlimited Access | $59.99 | one-time |


## Frequently asked questions

### Is PortView for Mobile free?

PortView for Mobile is free to download, with no in-app purchases.

### Is CDA Test Prep free?

CDA Test Prep is free to download, with in-app purchases available.

### Do PortView for Mobile or CDA Test Prep have ads?

Neither PortView for Mobile nor CDA Test Prep shows ads.

### Which is updated more often, PortView for Mobile or CDA Test Prep?

PortView for Mobile ships an update every 3 months, and CDA Test Prep daily. Most recently, PortView for Mobile was updated on October 2, 2026 and CDA Test Prep on September 29, 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.*