# Viz.ai vs CorePendium

The clearest difference is review sentiment: CorePendium at 62% against Viz.ai's 14%. CorePendium also leads on rating (4.9 vs 4.2) and ratings volume (1.5K vs 36). Viz.ai's advantage is monetization model (free vs freemium). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CorePendium holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: CorePendium has 1.5K ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 14% of Viz.ai's written reviews are positive against 62% of CorePendium's.

Viz.ai ships an update fortnightly, CorePendium monthly. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Viz.ai | CorePendium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (36 ratings)](https://appshunter.io/ios/app/vizai/id1222399372/reviews) | **[4.9 (1.5K ratings)](https://appshunter.io/ios/app/corependium/id1581291387/reviews)** |
| Number of ratings | 36 | **1.5K** |
| Positive reviews | 14.3% of reviews | **61.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 56 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Viz.ai, Inc.](https://appshunter.io/developer/1222399371) | [EM:RAP, Inc.](https://appshunter.io/developer/804248263) |

## What reviewers say

### Viz.ai

[App page](https://appshunter.io/ios/app/vizai/id1222399372)

This AI-powered telehealth platform assists clinicians in detecting critical diseases like stroke through advanced imaging analysis. It automates workflows and provides mobile imaging with HIPAA-compliant messaging to synchronize care across specialties.

**Highlights:** AI-powered disease detection, Automated CT perfusion imaging, Mobile imaging capabilities, HIPAA-compliant messaging, Synchronized clinical workflows, Remote installation

**Features:** macOS Compatibility

**In-app purchases:** none


### CorePendium

[App page](https://appshunter.io/ios/app/corependium/id1581291387)

This app provides a comprehensive, continuously updated, and peer-reviewed clinical reference for Emergency and Urgent Care Medicine. It features integrated multimedia, offline access, intuitive navigation, and medical calculators, making it an essential tool for medical professionals on the go.

**Highlights:** Expert-backed, continuously revised content, Integrated media library (ECGs, X-rays, videos, audio), Offline access to all content, Intuitive navigation with Rapid Access and Deep Dive sections, Integrated medical calculators, Links to EM:RAP knowledge base content

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great resource
- 👍 Excellent and usable app
- 👍 Terrific point of care resource
- 👍 Invaluable for EM residents

**What reviewers complain about**

- 🔍 Lacking search functionality
- 🐛 Crashes frequently
- 🔍 Poor indexing and content organization

**Reported bugs**

- Crashes on launch
- Compatibility issues with older devices

**Requested features**

- iPad version
- Ability to track progress and bookmark content
- Video playback controls (speed, rewind)


## Frequently asked questions

### Is Viz.ai free?

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

### Is CorePendium free?

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

### Which has better reviews, Viz.ai or CorePendium?

CorePendium is rated higher. Viz.ai averages 4.2 out of 5 from 36 ratings, while CorePendium averages 4.9 from 1.5K ratings.

### Do Viz.ai or CorePendium have ads?

Neither Viz.ai nor CorePendium shows ads.

### Which is updated more often, Viz.ai or CorePendium?

Viz.ai ships an update fortnightly, and CorePendium monthly. Most recently, Viz.ai was updated on October 3, 2026 and CorePendium on October 15, 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.*