Comparison

VidistarViewer vs ONIS

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

Head to head
About

VidistarViewer

Access and review medical images, videos, and diagnostic reports instantly on your mobile device. Enhance patient understanding by showing them their studies directly. Supports various diagnostic DICOM studies for comprehensive review.

Highlights
  • Instant access to medical images and reports
  • View still images and video clips
  • Review diagnostic DICOM studies
  • Access patient information
  • Review studies from any location
  • Patient engagement tool
Features
Read full description

VidistarViewer™ offers medical professionals instant access to their medical images and reports from their mobile Apple device(s). With VidistarViewer™, users may view still images, video clips, patient information, diagnostic reports, and review their diagnostic DICOM studies (i.e. echos, vascular studies, OBGYN, nuclear, cath, angio, etc.). Review Studies from Anywhere VidistarViewer™ includes similar functionality to VidiStar's web-solutions, and allows users to review studies and reports regardless of location. Engage Your Patients Use your iPad to show your patient their diagnostic study and enhance their engagement in their plan of care by educating them on their condition, thus heightening their understanding and furthering your patient-relationship.

About

ONIS

Features
Read full description

ONIS Shot allows you to convert photos and videos to DICOM format and send them to a PACS. For each study, you can enter patient data, or retrieve them directly from a PACS server. This utility only works with a specific associated server, please contact us for more details.

Screenshots

VidistarViewer4 screens
ONIS4 screens

Verdict

The call

The clearest difference is update cadence: ONIS at every 5 weeks against VidistarViewer's every 30 months. ONIS also leads on iOS requirement (9.0 vs 13.0). 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.

UpkeepUpdate frequency

VidistarViewer ships an update every 30 months, ONIS every 5 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
VidistarViewer versus ONIS: the parameters behind the verdict, then further details
ParameterVidistarViewerONIS
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 30 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size1 MB55 MB
Age rating17+17+
DeveloperVidiStar, LLCDigitalCore Corporation

In-app purchases

None

VidistarViewer

No in-app purchases

None

ONIS

No in-app purchases

Questions

Is VidistarViewer free?
VidistarViewer is free to download, with no in-app purchases.
Is ONIS free?
ONIS is free to download, with no in-app purchases.
Do VidistarViewer or ONIS have ads?
Neither VidistarViewer nor ONIS shows ads.
Which is updated more often, VidistarViewer or ONIS?
VidistarViewer ships an update every 30 months, and ONIS every 5 weeks. Most recently, VidistarViewer was updated on October 17, 2026 and ONIS on October 6, 2026.

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