# OpenPM vs HST Case Coordination

The clearest difference is rating: OpenPM at 5.0 against HST Case Coordination's 3.0. OpenPM also leads on iOS requirement (12.0 vs 14.0). HST Case Coordination's advantage is update cadence (every 3 weeks vs every 39 months) and ratings volume (43 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

OpenPM holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: HST Case Coordination has 43 ratings behind it against 1, so its average is the more settled of the two.

OpenPM ships an update every 39 months, HST Case Coordination every 3 weeks. The most recent releases landed on June 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OpenPM | HST Case Coordination |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openpm/id990109474/reviews)** | [3.0 (43 ratings)](https://appshunter.io/ios/app/hst-case-coordination/id1194697671/reviews) |
| Number of ratings | 1 | **43** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 32 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Open Practice Solutions](https://appshunter.io/developer/990109473) | [Casetabs, Inc.](https://appshunter.io/developer/1194697670) |

## What reviewers say

### OpenPM

[App page](https://appshunter.io/ios/app/openpm/id990109474)

This mobile calendar provides a real-time view of your upcoming appointments. Future updates will include office messaging and mobile charge entry functionalities.

**Highlights:** Real-time appointment viewing, View today's appointments, View future appointments, Office messaging (upcoming), Mobile charge entry (upcoming)

**Features:** macOS Compatibility

**In-app purchases:** none


### HST Case Coordination

[App page](https://appshunter.io/ios/app/hst-case-coordination/id1194697671)

This app facilitates real-time surgical case updates among physicians, office staff, center staff, and vendor representatives. It ensures all parties involved in a surgery are synchronized, aiming to reduce communication errors and enhance operational efficiency.

**Highlights:** Real-time case updates, Physician and staff coordination, Vendor representative communication, Reduced communication errors, Cloud-based platform

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OpenPM free?

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

### Is HST Case Coordination free?

HST Case Coordination is free to download, with no in-app purchases.

### Which has better reviews, OpenPM or HST Case Coordination?

OpenPM is rated higher. OpenPM averages 5.0 out of 5 from 1 ratings, while HST Case Coordination averages 3.0 from 43 ratings.

### Do OpenPM or HST Case Coordination have ads?

Neither OpenPM nor HST Case Coordination shows ads.

### Which is updated more often, OpenPM or HST Case Coordination?

OpenPM ships an update every 39 months, and HST Case Coordination every 3 weeks. Most recently, OpenPM was updated on June 25, 2026 and HST Case Coordination on September 9, 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.*