# Block Buddy Pro vs Coexisting Diseases & Surgery

The clearest difference is review sentiment: Coexisting Diseases & Surgery at 85% against Block Buddy Pro's 20%. Coexisting Diseases & Surgery also leads on rating (4.6 vs 2.8) and ads (none vs shown). Block Buddy Pro's advantage is price (Free vs $79.99). On ratings volume, in-app purchases and device support there is nothing between them.

Block Buddy Pro is free to download; Coexisting Diseases & Surgery costs $79.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Coexisting Diseases & Surgery holds the better App Store score, 4.6 against 2.8. Both are backed by a comparable volume of ratings — 75 and 29 respectively. Written reviews point the same way: 20% of Block Buddy Pro's written reviews are positive against 85% of Coexisting Diseases & Surgery's.

Block Buddy Pro ships an update every 4 months, Coexisting Diseases & Surgery monthly. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Block Buddy Pro | Coexisting Diseases & Surgery |
| --- | --- | --- |
| Price | **Free** | $79.99 |
| Rating | [2.8 (75 ratings)](https://appshunter.io/ios/app/block-buddy-pro/id1471006793/reviews) | **[4.6 (29 ratings)](https://appshunter.io/ios/app/coexisting-diseases-and-surgery/id1543711877/reviews)** |
| Number of ratings | **75** | 29 |
| Positive reviews | 20.0% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#27** |
| Size | 20 MB | 212 MB |
| Requires iOS | 17.5 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Block Buddy, LLC](https://appshunter.io/developer/1470651238) | [Vargo Anesthesia Inc](https://appshunter.io/developer/441512939) |

## What reviewers say

### Block Buddy Pro

[App page](https://appshunter.io/ios/app/block-buddy-pro/id1471006793)

This app provides comprehensive guidance for ultrasound-guided peripheral nerve blocks, point-of-care ultrasound, and non-surgical pain management. It features narrated videos, detailed descriptions, illustrations, and ultrasound images to teach users how to perform these procedures effectively. Access lessons and videos offline on various devices for continuous learning.

**Highlights:** Narrated video lessons, Detailed descriptions and instructions, Comprehensive illustrations and sonograms, Offline access to content, Personalized note-taking, Drug comparison guide (Rx Guide)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent content quality
- 👍 Comprehensive information
- 👍 Useful for students and practitioners
- 👍 Good for reviewing blocks
- 👍 Developed by CRNA

**What reviewers complain about**

- 🐛 App doesn't work
- 🐛 Constantly kicks off or freezes
- 🐛 Dropdown arrows don't open anything
- 🐛 Blank pictures of anatomy
- 🐛 Nothing works offline

**Reported bugs**

- App doesn't work
- Sections show nothing
- App kicks off or freezes
- Dropdown arrows don't open anything
- Blank pictures of anatomy

**Requested features**

- Fix app functionality
- Make app work offline
- Improve syncing behavior
- Provide customer service response
- Fix login issues


### Coexisting Diseases & Surgery

[App page](https://appshunter.io/ios/app/coexisting-diseases-and-surgery/id1543711877)

**Currently charting:** #27 Top Paid · Medical, #100 Top Grossing · Medical (US App Store)

This medical reference app provides detailed information on common and rare diseases, including their description, etiology, diagnosis, treatment, and prognosis. It also offers guidance on managing surgical patients with coexisting conditions.

**Highlights:** Disease descriptions, Etiology and onset, Diagnosis and pathophysiology, Treatment and prognosis, Perioperative management, Disease-related surgical concerns

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Buddy Pro free?

Block Buddy Pro is free to download, with no in-app purchases.

### Is Coexisting Diseases & Surgery free?

Coexisting Diseases & Surgery costs $79.99, with no in-app purchases.

### Which has better reviews, Block Buddy Pro or Coexisting Diseases & Surgery?

Coexisting Diseases & Surgery is rated higher. Block Buddy Pro averages 2.8 out of 5 from 75 ratings, while Coexisting Diseases & Surgery averages 4.6 from 29 ratings.

### Do Block Buddy Pro or Coexisting Diseases & Surgery have ads?

Block Buddy Pro shows ads; Coexisting Diseases & Surgery does not.

### Which is updated more often, Block Buddy Pro or Coexisting Diseases & Surgery?

Block Buddy Pro ships an update every 4 months, and Coexisting Diseases & Surgery monthly. Most recently, Block Buddy Pro was updated on November 3, 2026 and Coexisting Diseases & Surgery on November 11, 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.*