Comparison

VisucatControl vs ImpressionIST®

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

Head to head

About

VisucatControl

Features

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Controlling a VISUCAT vision testing device Intuitive control of the 25 monocular and 46 binocular tests with a lot of variations and 33 user defined tests, (inclusive 3D images). Easy integration of own charts, images, animations or video clips. Near testing is an additional option.

About

ImpressionIST®

Features

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This app provides the possibility to remote control all features of the Rodenstock ImpressionIST® via an iPad. Key features: - Find any ImpressionIST® device on the same network as your iPad via its hostname or IP address. - Save desired device as default one to automatically connect to it when the app starts. - Display the ImpressionIST® Web app hosted on corresponding ImpressionIST® device. This gives you full control of the device: manage your customers, perform measurements, and evaluate them. Please note that products and features may vary from country to country (Please contact your local Rodenstock subsidiary for further information).

Screenshots

VisucatControl1 screens

Verdict

The call

The clearest difference is device support: VisucatControl at 3 against ImpressionIST®'s 1. 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.

UpkeepUpdate frequency

VisucatControl ships an update every 4 months, ImpressionIST® every 3 months. The most recent releases landed on September 9, 2026 and September 5, 2026 respectively.

Scorecard1 real difference · 5 level

VisucatControl versus ImpressionIST®: the parameters behind the verdict, then further details
Parameter	VisucatControl	ImpressionIST®
Price	Free	Free
Update frequency	Every 4 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPad
Requires iOS	11.0	11.0
Further details — not scored
Size	27 MB	22 MB
Age rating	4+	4+
Developer	IBK Systeme GmbH	Rodenstock GmbH

In-app purchases

None

VisucatControl

No in-app purchases

None

ImpressionIST®

No in-app purchases

Questions

Is VisucatControl free?

VisucatControl is free to download, with no in-app purchases.

Is ImpressionIST® free?

ImpressionIST® is free to download, with no in-app purchases.

Do VisucatControl or ImpressionIST® have ads?

Neither VisucatControl nor ImpressionIST® shows ads.

Which is updated more often, VisucatControl or ImpressionIST®?

VisucatControl ships an update every 4 months, and ImpressionIST® every 3 months. Most recently, VisucatControl was updated on September 9, 2026 and ImpressionIST® on September 5, 2026.