# Call Schedule vs Impella App

The clearest difference is rating: Impella App at 3.8 against Call Schedule's 1.7. Impella App also leads on in-app purchases (none vs 5) and review sentiment (33% vs 0%). Call Schedule's advantage is iOS requirement (11.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Impella App holds the better App Store score, 3.8 against 1.7. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 0% of Call Schedule's written reviews are positive against 33% of Impella App's.

Call Schedule ships an update every 3 months, Impella App every 2 months. The most recent releases landed on June 5, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Call Schedule | Impella App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/call-schedule/id335902744/reviews) | **[3.8 (11 ratings)](https://appshunter.io/ios/app/impella-app/id991345042/reviews)** |
| Number of ratings | 9 | **11** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 14 MB | 29 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AMC Logic LTD](https://appshunter.io/developer/324459682) | [Abiomed, Inc.](https://appshunter.io/developer/952807334) |

## 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 |


### Impella App

[App page](https://appshunter.io/ios/app/impella-app/id991345042)

This app offers healthcare professionals immediate access to essential resources for Impella heart pump procedures. It provides step-by-step videos, calculators, and instructions for use, ensuring critical information is available at the point of care, even offline.

**Highlights:** Step-by-step setup and insertion videos, Personalized experience by role, Procedure calculators (heparin rate, CPO, PAPi, AKI), Interactive patient selection checklist, Impella instructions for use (IFUs), 24/7 Clinical Support Center access

**In-app purchases:** none


## Frequently asked questions

### Is Call Schedule free?

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

### Is Impella App free?

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

### Which has better reviews, Call Schedule or Impella App?

Impella App is rated higher. Call Schedule averages 1.7 out of 5 from 9 ratings, while Impella App averages 3.8 from 11 ratings.

### Do Call Schedule or Impella App have ads?

Neither Call Schedule nor Impella App shows ads.

### Which is updated more often, Call Schedule or Impella App?

Call Schedule ships an update every 3 months, and Impella App every 2 months. Most recently, Call Schedule was updated on June 5, 2026 and Impella App on June 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.*