Comparison

Viz.ai vs RapidAI

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

Head to head
About

Viz.ai

This AI-powered telehealth platform assists clinicians in detecting critical diseases like stroke through advanced imaging analysis. It automates workflows and provides mobile imaging with HIPAA-compliant messaging to synchronize care across specialties.

Highlights
  • AI-powered disease detection
  • Automated CT perfusion imaging
  • Mobile imaging capabilities
  • HIPAA-compliant messaging
  • Synchronized clinical workflows
  • Remote installation
Features
Read full description

A Telehealth Platform from the World’s Leading AI Healthcare Company. Viz.ai, which uses artificial intelligence to detect diseases like large vessel occlusions and intracerebral hemorrhages, advanced imaging to automate CT perfusion. Viz.ai also provides mobile imaging and HIPAA-compliant messaging to help synchronize workflow across multiple specialties for diseases like stroke. Fast and easy to install remotely, our plug-and-play solution is designed to help clinical teams during these challenging times. Viz LVO, Viz CTP and Viz ICH are regulated as a medical device and intended for use by trained clinicians. Indications for use are available here: https://www.viz.ai/indications-for-use/

About

RapidAI

This application provides AI-driven medical imaging analysis for care teams. It enables rapid, precise management of life-threatening conditions, delivering clinical decision support to accelerate treatment and improve patient outcomes. Physicians receive real-time notifications and can access patient imaging on their mobile devices.

Highlights
  • AI-driven medical imaging analysis
  • Real-time notifications for new cases
  • Access to patient imaging in seconds
  • DICOM viewer with zoom and rotation
  • Organize case results from multiple sites
  • In-app calling for team communication
Features
Read full description

RapidAI is the world leader in AI-driven medical imaging analysis and coordinated care. With the industry’s most validated clinical AI platform, we empower care teams to rapidly, precisely, and confidently manage life-threatening conditions. Trusted by thousands of hospitals in 100+ countries, RapidAI delivers the deepest level of clinical decision support on the market to help accelerate the time to treatment and enhance patient outcomes. We go beyond the algorithm to drive care team collaboration and efficiencies that expand access to life-saving interventions. At RapidAI, we establish new standards for care teams and the patients they treat. Physicians save precious time with anywhere, anytime notifications of new patient cases and access to RapidAI results and patient imaging on their mobile device. Rapid Mobile App Features: - Real-time notifications of new case events and messages - Access to RapidAI results and patient images in as few as 90 seconds of a patient scan - Source file viewing through a powerful DICOM viewer - Full screen zoom functionality and landscape mode - Image rotation for axial, coronal and sagittal views - View and organize case results from multiple sites - Flexible configuration options for PHI, biometrics, Single Sign-on and multi-factor authentication - Centralized views of patient events, messages, and results - Fast notification and coordination of stroke teams for critical cases - Simple entry of key clinical information and ability to upload photos to the message feed - In-app calling for quicker communications with stroke team members RapidAI is not for diagnostic decision making. Refer to the PACS or clinical system for case evaluation.

Screenshots

Viz.ai4 screens
RapidAI4 screens

Verdict

The call

The clearest difference is review sentiment: RapidAI at 43% against Viz.ai's 14%. Viz.ai's advantage is rating (4.2 vs 4.0) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and ads 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

Viz.ai holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 36 and 13 respectively. Written reviews complicate that: 14% of Viz.ai's written reviews are positive against 43% of RapidAI's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Viz.ai ships an update fortnightly, RapidAI every 3 weeks. The most recent releases landed on September 16, 2026 and August 15, 2026 respectively.

Scorecard3 real differences · 7 level
Viz.ai versus RapidAI: the parameters behind the verdict, then further details
ParameterViz.aiRapidAI
PriceFreeFree
Rating4.2 (36 ratings) — better4.0 (13 ratings)
Positive reviews14.3% of reviews42.9% of reviews — better
Number of ratings36 — better13
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size56 MB135 MB
Age rating12+17+
DeveloperViz.ai, Inc.iSchemaView

Customer experience

Viz.ai

All ratings36 ratings
Positive77.8%
Neutral2.8%
Negative19.4%
Written reviews7 reviews
Positive14.3%
Neutral0.0%
Negative85.7%

RapidAI

All ratings13 ratings
Positive69.2%
Neutral7.7%
Negative23.1%
Written reviews7 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

In-app purchases

None

Viz.ai

No in-app purchases

None

RapidAI

No in-app purchases

Questions

Is Viz.ai free?
Viz.ai is free to download, with no in-app purchases.
Is RapidAI free?
RapidAI is free to download, with no in-app purchases.
Which has better reviews, Viz.ai or RapidAI?
Viz.ai is rated higher. Viz.ai averages 4.2 out of 5 from 36 ratings, while RapidAI averages 4.0 from 13 ratings.
Do Viz.ai or RapidAI have ads?
Neither Viz.ai nor RapidAI shows ads.
Which is updated more often, Viz.ai or RapidAI?
Viz.ai ships an update fortnightly, and RapidAI every 3 weeks. Most recently, Viz.ai was updated on September 16, 2026 and RapidAI on August 15, 2026.

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