# iNSIGHT Spatial Vision vs NMR Calculator 2

The clearest difference is price: NMR Calculator 2 at Free against iNSIGHT Spatial Vision's $2.99. NMR Calculator 2 also leads on device support (3 vs 1). iNSIGHT Spatial Vision's advantage is iOS requirement (18.0 vs 26.0). On update cadence, ads and in-app purchases there is nothing between them.

NMR Calculator 2 is free to download; iNSIGHT Spatial Vision costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iNSIGHT Spatial Vision ships an update every 39 months, NMR Calculator 2 every 33 months. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iNSIGHT Spatial Vision | NMR Calculator 2 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 33 months** |
| Size | 125 MB | 2 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [Jae-Seung Lee](https://appshunter.io/developer/1146296876) |

## What reviewers say

### iNSIGHT Spatial Vision

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NMR Calculator 2

[App page](https://appshunter.io/ios/app/nmr-calculator-2/id6466729022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iNSIGHT Spatial Vision free?

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

### Is NMR Calculator 2 free?

NMR Calculator 2 is free to download, with no in-app purchases.

### Do iNSIGHT Spatial Vision or NMR Calculator 2 have ads?

Neither iNSIGHT Spatial Vision nor NMR Calculator 2 shows ads.

### Which is updated more often, iNSIGHT Spatial Vision or NMR Calculator 2?

iNSIGHT Spatial Vision ships an update every 39 months, and NMR Calculator 2 every 33 months. Most recently, iNSIGHT Spatial Vision was updated on October 29, 2026 and NMR Calculator 2 on October 13, 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.*