Comparison

Clarus OnCall vs STS Risk Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Clarus OnCall

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
Read full description

Smarter After-Hours Call Management for Healthcare Providers The Clarus OnCall App helps your practice manage after-hours patient calls—without the cost or hassle of a traditional operator or call center. Powered by AI technology, Clarus OnCall delivers better communication, stronger privacy, seamless documentation, and optimized workflows—all at a lower cost. Our mission: let providers focus on what matters most—caring for patients. Take Control of After-Hours Communication With Clarus, providers choose how, when, and where they receive patient calls—and how they respond. Flexible options put you in charge of your time and your privacy. Notification Options: Push Notification Email SMS (Text Message) Phone Call Response Options: Call Back (via masked caller-ID) Recorded Voice Note Text to Voice Message How It Works Clarus OnCall captures inbound patient calls for your office and automatically transcribed them into clear, summarized messages. These messages are securely delivered to your device. You gain complete control over how and when to respond—ensuring patients receive timely, high-quality care, and your privacy is preserved. Key Benefits: No call center required Better documentation & workflow Increased provider flexibility Enhanced patient experience Protects provider privacy Subscription required. To learn more, contact info@claruscare.com. Compatibility iPhone Requires iOS 14.3 or later. Mac Requires macOS 12.0 or later

About

STS Risk Calc

This tool assists cardiothoracic surgery teams in evaluating patient surgical risk. It utilizes current data from a national database to provide accurate risk assessments.

Highlights
  • Surgical risk assessment
  • Utilizes STS National Database data
  • For cardiothoracic surgery teams
  • Free to use
Features
Read full description

The STS risk calculators use the latest data from the STS National Database to help cardiothoracic surgery teams assess surgical risk.

Screenshots

Clarus OnCall2 screens
STS Risk Calc4 screens

Verdict

The call

The clearest difference is rating: STS Risk Calc at 5.0 against Clarus OnCall's 3.4. STS Risk Calc also leads on monetization model (free vs subscription) and iOS requirement (13.0 vs 15.6). Clarus OnCall's advantage is ratings volume (50 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

STS Risk Calc holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Clarus OnCall has 50 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Clarus OnCall versus STS Risk Calc: the parameters behind the verdict, then further details
ParameterClarus OnCallSTS Risk Calc
PriceFreeFree
Rating3.4 (50 ratings)5.0 (1 ratings) — better
Positive reviews39.1% of reviews—
Number of ratings50 — better1
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size26 MB41 MB
Age rating12+17+
DeveloperClarus Care, LLCThe Society of Thoracic Surgeons

Customer experience

Clarus OnCall

All ratings50 ratings
Positive60.0%
Neutral2.0%
Negative38.0%
Written reviews23 reviews
Positive39.1%
Neutral0.0%
Negative60.9%

STS Risk Calc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Clarus OnCall

No in-app purchases

None

STS Risk Calc

No in-app purchases

Questions

Is Clarus OnCall free?
Clarus OnCall is free to download, with no in-app purchases.
Is STS Risk Calc free?
STS Risk Calc is free to download, with no in-app purchases.
Which has better reviews, Clarus OnCall or STS Risk Calc?
STS Risk Calc is rated higher. Clarus OnCall averages 3.4 out of 5 from 50 ratings, while STS Risk Calc averages 5.0 from 1 ratings.
Do Clarus OnCall or STS Risk Calc have ads?
Neither Clarus OnCall nor STS Risk Calc shows ads.

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