# iNSIGHT Stereograms vs CloudLabs Vector subtraction

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.

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.

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

## The numbers

| Metric | iNSIGHT Stereograms | CloudLabs Vector subtraction |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 21 months** |
| Size | 112 MB | 70 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### iNSIGHT Stereograms

[App page](https://appshunter.io/ios/app/insight-stereograms/id602305404)

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Vector subtraction

[App page](https://appshunter.io/ios/app/cloudlabs-vector-subtraction/id1633261194)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*