Comparison

iNSIGHT Stereograms vs CloudLabs Vector subtraction

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

Head to head
About

iNSIGHT Stereograms

Features
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Stereograms create an illusion of depth because slightly different images are presented to each eye. They simulate the real-world situation in which each eye views the world from a slightly different position. Different types of stereograms, including random-element, line, and stereo photographs are presented. Requires red-green or red-blue glasses. iNSIGHT is a curriculum supplement for experimental psychology, sensation and perception, vision science, and optometry lab classes. There are two different types of iNSIGHT apps: experiments and interactive demonstrations. Experiments are real psychophysical procedures (NOT simulations) that generate real data. Demonstrations illustrate a visual phenomenon and allow students to manipulate the effect. Each lab is complete with a quick-start guide, detailed instructions, background information, and one or more guided exercises. To see how iNSIGHT works, try the FREE iNSIGHT Color Mixing app. A printable PDF Student Guide that contains the exercises and other supporting materials, and a Teacher Guide are available at www.polyhedronlearning.com/see_apps_insight.html

About

CloudLabs Vector subtraction

Features
Read full description

This lab has a Cartesian plane available where the user can draw five vectors, use the head-tail graph method, and find the resulting sum. You can also draw a vector of equal magnitude, but in the opposite direction. The goal of the lab is to find the magnitude of the vectors, the angle, and the components in X and Y.

Screenshots

CloudLabs Vector subtraction1 screens

Verdict

The call

The clearest difference is price: CloudLabs Vector subtraction at Free against iNSIGHT Stereograms's $2.99. CloudLabs Vector subtraction also leads on device support (3 vs 1) and iOS requirement (9.0 vs 18.0). On update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

CloudLabs Vector subtraction is free to download; iNSIGHT Stereograms costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iNSIGHT Stereograms ships an update every 38 months, CloudLabs Vector subtraction every 21 months. Both last shipped on September 10, 2026.

Scorecard3 real differences ยท 3 level
iNSIGHT Stereograms versus CloudLabs Vector subtraction: the parameters behind the verdict, then further details
ParameteriNSIGHT StereogramsCloudLabs Vector subtraction
Price$2.99Free โ€” better
Update frequencyEvery 38 monthsEvery 21 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPadiPhone, iPad, iPod โ€” better
Requires iOS18.09.0 โ€” better
Further details โ€” not scored
Size112 MB70 MB
Age rating4+17+
DeveloperPolyhedron Learning Media, Inc.Jiovany Orozco

In-app purchases

None

iNSIGHT Stereograms

No in-app purchases

None

CloudLabs Vector subtraction

No in-app purchases

Questions

Is iNSIGHT Stereograms free?
iNSIGHT Stereograms costs $2.99, with no in-app purchases.
Is CloudLabs Vector subtraction free?
CloudLabs Vector subtraction is free to download, with no in-app purchases.
Do iNSIGHT Stereograms or CloudLabs Vector subtraction have ads?
Neither iNSIGHT Stereograms nor CloudLabs Vector subtraction shows ads.
Which is updated more often, iNSIGHT Stereograms or CloudLabs Vector subtraction?
iNSIGHT Stereograms ships an update every 38 months, and CloudLabs Vector subtraction every 21 months. Most recently, iNSIGHT Stereograms was updated on September 10, 2026 and CloudLabs Vector subtraction on September 10, 2026.

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