# Call Schedule vs Preop Eval

The clearest difference is review sentiment: Preop Eval at 67% against Call Schedule's 0%. Preop Eval also leads on rating (5.0 vs 1.7) and in-app purchases (none vs 5). Call Schedule's advantage is ratings volume (9 vs 2) and iOS requirement (11.0 vs 16.6). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Call Schedule sells 4 one-off in-app purchases. Preop Eval asks for nothing beyond the download.

Preop Eval holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 0% of Call Schedule's written reviews are positive against 67% of Preop Eval's.

Call Schedule ships an update every 3 months, Preop Eval every 6 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Call Schedule | Preop Eval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/call-schedule/id335902744/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/preop-eval/id374154834/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 14 MB | 15 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AMC Logic LTD](https://appshunter.io/developer/324459682) | [United Health Services, Inc.](https://appshunter.io/developer/1451318916) |

## What reviewers say

### Call Schedule

[App page](https://appshunter.io/ios/app/call-schedule/id335902744)

View physician call schedules prepared via a web account. Access your group's schedule on mobile devices using your account credentials. Suitable for physician groups and any team sharing on-call duties.

**Highlights:** View call schedules, Manual schedule preparation, Rule-based schedule generation, Web account integration, Mobile access, Supports physician groups

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Registration & Web Viewing | $0.99 | one-time |
| Renew for one month | $1.99 | one-time |
| Renew for three months | $3.99 | one-time |
| Renew for one year | $9.99 | one-time |


### Preop Eval

[App page](https://appshunter.io/ios/app/preop-eval/id374154834)

This app provides guidance for evaluating and preparing adult patients for non-cardiac surgery. It includes algorithms and resources on medication management, cardiac event timing, and preoperative testing, serving as both a reference and a teaching tool for medical professionals.

**Highlights:** Cardiac evaluation algorithm, Medication guidance (starting/stopping), Surgery timing after cardiac events, Preoperative testing recommendations, Review for students and residents, Perioperative insulin management

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

**In-app purchases:** none


## Frequently asked questions

### Is Call Schedule free?

Call Schedule is free to download, with in-app purchases available.

### Is Preop Eval free?

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

### Which has better reviews, Call Schedule or Preop Eval?

Preop Eval is rated higher. Call Schedule averages 1.7 out of 5 from 9 ratings, while Preop Eval averages 5.0 from 2 ratings.

### Do Call Schedule or Preop Eval have ads?

Neither Call Schedule nor Preop Eval shows ads.

### Which is updated more often, Call Schedule or Preop Eval?

Call Schedule ships an update every 3 months, and Preop Eval every 6 months. Most recently, Call Schedule was updated on June 5, 2026 and Preop Eval on September 10, 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.*