# F.A.S.T vs Psicotécnicos Test

The clearest difference is iOS requirement: F.A.S.T at 15.6 against Psicotécnicos Test's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | F.A.S.T | Psicotécnicos Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (25 ratings)](https://appshunter.io/ios/app/fast/id1217030092/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Free | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Alvaro Ramirez](https://appshunter.io/developer/1886763250) |

## What reviewers say

### 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


### Psicotécnicos Test

[App page](https://appshunter.io/ios/app/psicotecnicos-test/id6785569633)

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

**In-app purchases:** none


## Frequently asked questions

### Is F.A.S.T free?

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

### Is Psicotécnicos Test free?

Psicotécnicos Test is free to download, with no in-app purchases.

### Do F.A.S.T or Psicotécnicos Test have ads?

Neither F.A.S.T nor Psicotécnicos Test shows ads.

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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.*