Comparison

Viz.ai vs Stroke Certified RN Test Prep

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 and hemorrhages using advanced imaging. It automates CT perfusion and provides mobile imaging with HIPAA-compliant messaging to streamline workflows across specialties.

Highlights
  • AI-powered disease detection
  • Automated CT perfusion imaging
  • Mobile imaging capabilities
  • HIPAA-compliant messaging
  • Remote installation
  • Workflow synchronization
Features
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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

Stroke Certified RN Test Prep

Prepare for your Stroke Care Registered Nurse (SCRN) certification exam with this comprehensive study guide. It offers hundreds of practice questions with detailed explanations, performance tracking, and helpful tips to maximize your score. Covers all essential SCRN exam categories.

Highlights
  • 425+ practice questions with explanations
  • Detailed performance tracking
  • Exam score maximization tips
  • Unlimited access to all categories
  • Comprehensive SCRN exam content
Features
Currently charting
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Ace your Stroke Care Certification! This must-have study guide for nurses seeking Stroke Care Registered Nurse (SCRN) status contains comprehensive information about the exam, answers to commonly asked questions, savvy tips for maximizing your score, and hundreds of practice questions with rationales. • 425+ practice questions with detailed explanations • Detailed results that track your strongest and weakest areas • Helpful tips to maximize your exam score • Unlimited access to all categories, including: • Common Questions About the SCRN Exam • Anatomy and Physiology • Preventive Care • Hyperacute Stroke Care: Prehospital and Emergency Department • Stroke Diagnostics • Acute Care • Medications • Postacute Care • Systems and Quality Care • Case Studies • Medications List • Neuroscience Glossary • National Stroke Care Guidelines Make all the little moments add up to something big. - You're watching TV and there's a commercial break? Great time to answer 4 questions. - Waiting for the barista to make your latte? Answer 3 more questions while you wait! - Waiting for you car to warm up? Perfect time to answer 3 questions. Call us at 319-237-7162 and email us at nursing@hltcorp.com with any questions.

Screenshots

Viz.ai4 screens
Stroke Certified RN Test Prep4 screens

Verdict

The call

The clearest difference is review sentiment: Stroke Certified RN Test Prep at 75% against Viz.ai's 14%. Stroke Certified RN Test Prep also leads on rating (4.8 vs 4.2) and ratings volume (710 vs 36). Viz.ai's advantage is in-app purchases (none vs 4). On price, update cadence, ads 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. Stroke Certified RN Test Prep sells 4 in-app purchases, starting at $39.99 per month. Viz.ai asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stroke Certified RN Test Prep holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Stroke Certified RN Test Prep has 710 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 14% of Viz.ai's written reviews are positive against 75% of Stroke Certified RN Test Prep's.

UpkeepUpdate frequency

Viz.ai ships an update fortnightly, Stroke Certified RN Test Prep every 3 weeks. Both last shipped on November 6, 2026.

Scorecard7 real differences · 4 level
Viz.ai versus Stroke Certified RN Test Prep: the parameters behind the verdict, then further details
ParameterViz.aiStroke Certified RN Test Prep
PriceFreeFree
Rating4.2 (36 ratings)4.8 (710 ratings) — better
Positive reviews14.3% of reviews75.0% of reviews — better
Number of ratings36710 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#186 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size56 MB64 MB
Age rating12++4
DeveloperViz.ai, Inc.Springer Publishing Company

Customer experience

Viz.ai

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

Stroke Certified RN Test Prep

All ratings710 ratings
Positive95.9%
Neutral2.3%
Negative1.8%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Viz.ai

No in-app purchases

4 purchases

Stroke Certified RN Test Prep

Subscriptions3
  • Stroke Certified RN 1 Month3 Days trial$39.991 Month
  • Stroke Certified RN 3 Month3 Days trial$79.993 Months
  • Stroke Certified RN Yearly3 Days trial$149.991 Year
One-time1
  • Stroke Care Exam - Premium$49.99

Questions

Is Viz.ai free?
Viz.ai is free to download, with no in-app purchases.
Is Stroke Certified RN Test Prep free?
Stroke Certified RN Test Prep is free to download, with in-app purchases available.
Which has better reviews, Viz.ai or Stroke Certified RN Test Prep?
Stroke Certified RN Test Prep is rated higher. Viz.ai averages 4.2 out of 5 from 36 ratings, while Stroke Certified RN Test Prep averages 4.8 from 710 ratings.
Do Viz.ai or Stroke Certified RN Test Prep have ads?
Neither Viz.ai nor Stroke Certified RN Test Prep shows ads.
Which is updated more often, Viz.ai or Stroke Certified RN Test Prep?
Viz.ai ships an update fortnightly, and Stroke Certified RN Test Prep every 3 weeks. Most recently, Viz.ai was updated on November 6, 2026 and Stroke Certified RN Test Prep on November 6, 2026.

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