# IVUSAID vs DoxAPP

The clearest difference is in-app purchases: IVUSAID at none against DoxAPP's 1. IVUSAID also leads on iOS requirement (15.0 vs 18.6). DoxAPP's advantage is ads (none vs shown) and update cadence (weekly vs every 18 months). On price and device support there is nothing between them.

Both are free to download. DoxAPP sells 1 in-app purchase, starting at $49.99 per month. IVUSAID asks for nothing beyond the download.

IVUSAID ships an update every 18 months, DoxAPP weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IVUSAID | DoxAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ivusaid/id6447531663/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 80 MB | 174 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [Vijay Renga](https://appshunter.io/developer/1801860401) |

## What reviewers say

### IVUSAID

[App page](https://appshunter.io/ios/app/ivusaid/id6447531663)

This free educational app teaches medical professionals how to use intravascular ultrasound (IVUS) for PCI guidance. It features interactive lessons, image interpretation tools, and complex case studies to overcome barriers to IVUS adoption.

**Highlights:** IVUS principles and image acquisition, Image interpretation with videos and descriptions, Complex coronary case studies, Interactive quiz section with explanations, PCI guidance for stent sizing and optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### DoxAPP

[App page](https://appshunter.io/ios/app/doxapp/id6757509283)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoxAPP Pro Monthly | $49.99 | per month |


## Frequently asked questions

### Is IVUSAID free?

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

### Is DoxAPP free?

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

### Do IVUSAID or DoxAPP have ads?

IVUSAID shows ads; DoxAPP does not.

### Which is updated more often, IVUSAID or DoxAPP?

IVUSAID ships an update every 18 months, and DoxAPP weekly. Most recently, IVUSAID was updated on November 3, 2026 and DoxAPP 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.*