# Sean's Strange Box vs Recursion by folina

The clearest difference is price: Recursion by folina at $3.99 against Sean's Strange Box's $4.99. Recursion by folina also leads on iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Sean's Strange Box costs $4.99 and Recursion by folina $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sean's Strange Box | Recursion by folina |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/recursion-by-folina/id6814180831/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | — | Paid |
| Size | 12 MB | 15 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Irwin Eberhart](https://appshunter.io/developer/1888230063) | [Jeremy Phillips](https://appshunter.io/developer/6777857703) |

## What reviewers say

### Sean's Strange Box

[App page](https://appshunter.io/ios/app/seans-strange-box/id6814095077)

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

**In-app purchases:** none


### Recursion by folina

[App page](https://appshunter.io/ios/app/recursion-by-folina/id6814180831)

This app creates evolving echoes and feedback effects by mutating sound over generations. It offers unique control over timing, memory, and signal degradation for creative sound design. Explore subtle echoes to unstable ambient spaces.

**Highlights:** Self-mutating recursive delay, Generational sound evolution, Independent control over recursion depth, Continuous drift and instability, Smearing for evolving washes, Tear events for abrupt mutations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sean's Strange Box free?

Sean's Strange Box costs $4.99, with no in-app purchases.

### Is Recursion by folina free?

Recursion by folina costs $3.99, with no in-app purchases.

### Do Sean's Strange Box or Recursion by folina have ads?

Neither Sean's Strange Box nor Recursion by folina 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.*