# iNSIGHT Spatial Vision vs F.A.S.T

The clearest difference is price: F.A.S.T at Free against iNSIGHT Spatial Vision's $2.99. F.A.S.T also leads on update cadence (every 19 months vs every 39 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

F.A.S.T 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, F.A.S.T every 19 months. The most recent releases landed on September 10, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | iNSIGHT Spatial Vision | F.A.S.T |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.6 (23 ratings)](https://appshunter.io/ios/app/fast/id1217030092/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 19 months** |
| Monetization | — | Free |
| Size | 125 MB | 4 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### iNSIGHT Spatial Vision

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

**Features:** macOS Compatibility

**In-app purchases:** none


### F.A.S.T

[App page](https://appshunter.io/ios/app/fast/id1217030092)

Create and customize mesmerizing mathematical spirals, including Archimedean and logarithmic forms. Offers intuitive controls for precise adjustments to curvature, color, and patterns. Ideal for creative discovery and educational exploration.

**Highlights:** Archimedean & Logarithmic Spirals, Intuitive Controls, Dynamic Colorization, Expert Mode, Dark Mode Support, Cross-device Compatibility

**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 F.A.S.T free?

F.A.S.T is free to download, with no in-app purchases.

### Do iNSIGHT Spatial Vision or F.A.S.T have ads?

Neither iNSIGHT Spatial Vision nor F.A.S.T shows ads.

### Which is updated more often, iNSIGHT Spatial Vision or F.A.S.T?

iNSIGHT Spatial Vision ships an update every 39 months, and F.A.S.T every 19 months. Most recently, iNSIGHT Spatial Vision was updated on September 10, 2026 and F.A.S.T on August 24, 2026.

---

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