# IVUSAID vs Cto Essentials 2026

The clearest difference is ads: Cto Essentials 2026 at none against IVUSAID's shown. Cto Essentials 2026 also leads on update cadence (every 10 days 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, Cto Essentials 2026 every 10 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | IVUSAID | Cto Essentials 2026 |
| --- | --- | --- |
| 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 10 days** |
| Monetization | Ad-supported | — |
| Size | 80 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [Z EVENT KONGRE ORGANIZASYON TURIZM HIZMET VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/6802594021) |

## 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


### Cto Essentials 2026

[App page](https://appshunter.io/ios/app/cto-essentials-2026/id6802594019)

**In-app purchases:** none


## Frequently asked questions

### Is IVUSAID free?

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

### Is Cto Essentials 2026 free?

Cto Essentials 2026 is free to download, with no in-app purchases.

### Do IVUSAID or Cto Essentials 2026 have ads?

IVUSAID shows ads; Cto Essentials 2026 does not.

### Which is updated more often, IVUSAID or Cto Essentials 2026?

IVUSAID ships an update every 18 months, and Cto Essentials 2026 every 10 days. Most recently, IVUSAID was updated on October 30, 2026 and Cto Essentials 2026 on October 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.*