# Clarus OnCall vs CHEST

The clearest difference is rating: CHEST at 4.2 against Clarus OnCall's 3.4. CHEST also leads on monetization model (ad-supported vs subscription). Clarus OnCall's advantage is review sentiment (39% vs 0%) and update cadence (every 2 months vs every 10 months). On price, ads, in-app purchases and device support there is nothing between them.

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

CHEST holds the better App Store score, 4.2 against 3.4. Both are backed by a comparable volume of ratings — 50 and 15 respectively. Written reviews complicate that: 39% of Clarus OnCall's written reviews are positive against 0% of CHEST's, so the app with the better star average is not the one people write more warmly about.

Clarus OnCall ships an update every 2 months, CHEST every 10 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Clarus OnCall | CHEST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (50 ratings)](https://appshunter.io/ios/app/clarus-oncall/id889409061/reviews) | **[4.2 (15 ratings)](https://appshunter.io/ios/app/chest-events/id6463945999/reviews)** |
| Number of ratings | **50** | 15 |
| Positive reviews | **39.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Subscription | **Ad-supported** |
| Size | 26 MB | 53 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Clarus Care, LLC](https://appshunter.io/developer/783770770) | [American College of Chest Physicians](https://appshunter.io/developer/541113525) |

## What reviewers say

### Clarus OnCall

[App page](https://appshunter.io/ios/app/clarus-oncall/id889409061)

This app streamlines after-hours patient call management for healthcare providers using AI. It offers flexible notification and response options, transcribes calls into summarized messages, and enhances provider privacy and workflow efficiency without the need for a traditional call center.

**Highlights:** AI-powered call management, After-hours patient call handling, Flexible notification options, Multiple response methods, Automated call transcription, Secure message delivery, Masked caller-ID callback

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

**In-app purchases:** none


### CHEST

[App page](https://appshunter.io/ios/app/chest-events/id6463945999)

This app helps attendees plan their experience at the CHEST Annual Meeting. Browse the educational program, build a personal schedule, and access convention center maps. Find details on special events, exhibitors, and important announcements.

**Highlights:** Browse educational program, Build personal schedule, Bookmark sessions/speakers, Convention center maps, Exhibitor listings, Special event details, Receive announcements

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Clarus OnCall free?

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

### Is CHEST free?

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

### Which has better reviews, Clarus OnCall or CHEST?

CHEST is rated higher. Clarus OnCall averages 3.4 out of 5 from 50 ratings, while CHEST averages 4.2 from 15 ratings.

### Do Clarus OnCall or CHEST have ads?

Neither Clarus OnCall nor CHEST shows ads.

### Which is updated more often, Clarus OnCall or CHEST?

Clarus OnCall ships an update every 2 months, and CHEST every 10 months. Most recently, Clarus OnCall was updated on October 22, 2026 and CHEST on October 24, 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.*