# IVUSAID vs ABCSizing

The clearest difference is ads: ABCSizing at none against IVUSAID's shown. ABCSizing also leads on update cadence (every 3 weeks vs every 18 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IVUSAID ships an update every 18 months, ABCSizing every 3 weeks. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IVUSAID | ABCSizing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ivusaid/id6447531663/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 80 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [Tej Sheth](https://appshunter.io/developer/1789698423) |

## 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


### ABCSizing

[App page](https://appshunter.io/ios/app/abcsizing/id6740382420)

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

**In-app purchases:** none


## Frequently asked questions

### Is IVUSAID free?

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

### Is ABCSizing free?

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

### Do IVUSAID or ABCSizing have ads?

IVUSAID shows ads; ABCSizing does not.

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

IVUSAID ships an update every 18 months, and ABCSizing every 3 weeks. Most recently, IVUSAID was updated on October 18, 2026 and ABCSizing on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*