# HeartFlow vs IVUSAID

The clearest difference is ads: HeartFlow at none against IVUSAID's shown. HeartFlow also leads on update cadence (every 2 months vs every 18 months) and ratings volume (31 vs 1). On price, rating, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for HeartFlow against 5.0 for IVUSAID. That said, the two scores are not equally well evidenced: HeartFlow has 31 ratings behind it against 1, so its average is the more settled of the two.

HeartFlow ships an update every 2 months, IVUSAID every 18 months. The most recent releases landed on September 21, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | HeartFlow | IVUSAID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (31 ratings)](https://appshunter.io/ios/app/heartflow/id994343238/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ivusaid/id6447531663/reviews)** |
| Number of ratings | **31** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | **Free** | Ad-supported |
| Size | 79 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HeartFlow](https://appshunter.io/developer/994343236) | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) |

## What reviewers say

### HeartFlow

[App page](https://appshunter.io/ios/app/heartflow/id994343238)

This application provides clinicians with a mobile platform to monitor patient HeartFlow FFRct Analyses. It allows for quick viewing of patient lists, analysis statuses, and personalized 3D cardiac models with FFRct values. A preview mode is available for those curious to explore the technology.

**Highlights:** Patient analysis status monitoring, Personalized 3D cardiac models, FFRct value visualization, Quick patient list scanning, Introduction experience preview

**In-app purchases:** none


### 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


## Frequently asked questions

### Is HeartFlow free?

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

### Is IVUSAID free?

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

### Which has better reviews, HeartFlow or IVUSAID?

IVUSAID is rated higher. HeartFlow averages 4.9 out of 5 from 31 ratings, while IVUSAID averages 5.0 from 1 ratings.

### Do HeartFlow or IVUSAID have ads?

IVUSAID shows ads; HeartFlow does not.

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

HeartFlow ships an update every 2 months, and IVUSAID every 18 months. Most recently, HeartFlow was updated on September 21, 2026 and IVUSAID on June 4, 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.*