Comparison

Viz.ai vs Clock Buster

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

Clock Buster

This real-time timer streamlines stroke care workflows in emergency settings. It helps medical professionals track critical intervals, calculate stroke scale metrics, and determine medication dosages. Secure live sharing keeps multidisciplinary teams synchronized for faster treatment.

Highlights
  • Real-time stroke code timing
  • Optimize acute ischemic stroke workflows
  • Minimize door-to-needle times
  • Track critical clinical intervals
  • Calculate real-time NIHSS stroke scale
  • Compute TNK dosing
  • Secure live sharing for teams
Features
Read full description

Clock Buster is an advanced, real-time stroke code timer designed to optimize acute ischemic stroke workflows and drastically minimize door-to-needle times. Built specifically for neurology departments and emergency departments, Clock Buster brings clarity and precision to high-stress acute medical windows.The application streamlines clinical decision-making by integrating essential clinical tracking parameters directly into an active code timeline. Care providers can track critical intervals, calculate real-time NIHSS stroke scale metrics, compute accurate TNK dosing, and instantly cross-verify absolute and relative contraindications. Additionally, built-in secure live sharing allows multiple clinical parties to stay synced simultaneously across devices, keeping the entire multidisciplinary team aligned from door to needle.

Screenshots

Viz.ai4 screens
Clock Buster4 screens

Verdict

The call

The clearest difference is rating: Clock Buster at 5.0 against Viz.ai's 4.2. Clock Buster also leads on iOS requirement (15.1 vs 17.0). Viz.ai's advantage is ratings volume (36 vs 6). On price, update cadence, ads and in-app purchases 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

Clock Buster holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Viz.ai has 36 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

Viz.ai ships an update fortnightly, Clock Buster every 9 days. Both last shipped on October 3, 2026.

Scorecard3 real differences · 7 level
Viz.ai versus Clock Buster: the parameters behind the verdict, then further details
ParameterViz.aiClock Buster
PriceFreeFree
Rating4.2 (36 ratings)5.0 (6 ratings) — better
Positive reviews14.3% of reviews—
Number of ratings36 — better6
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size56 MB45 MB
Age rating12+17+
DeveloperViz.ai, Inc.Jessica Azevedo Horty

Customer experience

Viz.ai

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

Clock Buster

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Viz.ai

No in-app purchases

None

Clock Buster

No in-app purchases

Questions

Is Viz.ai free?
Viz.ai is free to download, with no in-app purchases.
Is Clock Buster free?
Clock Buster is free to download, with no in-app purchases.
Which has better reviews, Viz.ai or Clock Buster?
Clock Buster is rated higher. Viz.ai averages 4.2 out of 5 from 36 ratings, while Clock Buster averages 5.0 from 6 ratings.
Do Viz.ai or Clock Buster have ads?
Neither Viz.ai nor Clock Buster shows ads.
Which is updated more often, Viz.ai or Clock Buster?
Viz.ai ships an update fortnightly, and Clock Buster every 9 days. Most recently, Viz.ai was updated on October 3, 2026 and Clock Buster on October 3, 2026.

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