# iNSIGHT Spatial Vision vs Derivative

The clearest difference is update cadence: Derivative at monthly against iNSIGHT Spatial Vision's every 39 months. Derivative also leads on device support (3 vs 1) and price ($1.99 vs $2.99). On ads and in-app purchases there is nothing between them.

iNSIGHT Spatial Vision costs $2.99 and Derivative $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iNSIGHT Spatial Vision ships an update every 39 months, Derivative monthly. The most recent releases landed on September 10, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | iNSIGHT Spatial Vision | Derivative |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Size | 125 MB | 32 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### iNSIGHT Spatial Vision

[App page](https://appshunter.io/ios/app/insight-spatial-vision/id602302299)

**Features:** macOS Compatibility

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus-pro/id1618965619)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iNSIGHT Spatial Vision free?

iNSIGHT Spatial Vision costs $2.99, with no in-app purchases.

### Is Derivative free?

Derivative costs $1.99, with no in-app purchases.

### Do iNSIGHT Spatial Vision or Derivative have ads?

Neither iNSIGHT Spatial Vision nor Derivative shows ads.

### Which is updated more often, iNSIGHT Spatial Vision or Derivative?

iNSIGHT Spatial Vision ships an update every 39 months, and Derivative monthly. Most recently, iNSIGHT Spatial Vision was updated on September 10, 2026 and Derivative on August 16, 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.*