# CorePendium vs One Vendor

CorePendium and One Vendor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CorePendium ships an update monthly, One Vendor fortnightly. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CorePendium | One Vendor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.5K ratings)](https://appshunter.io/ios/app/corependium/id1581291387/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 49 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [EM:RAP, Inc.](https://appshunter.io/developer/804248263) | [LIFEBANK TECHNOLOGY AND LOGISTICS SERVICES LIMITED](https://appshunter.io/developer/1696727015) |

## What reviewers say

### 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)


### One Vendor

[App page](https://appshunter.io/ios/app/one-vendor/id6736524230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CorePendium free?

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

### Is One Vendor free?

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

### Do CorePendium or One Vendor have ads?

Neither CorePendium nor One Vendor shows ads.

### Which is updated more often, CorePendium or One Vendor?

CorePendium ships an update monthly, and One Vendor fortnightly. Most recently, CorePendium was updated on October 15, 2026 and One Vendor on September 30, 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.*