# Robot Butter vs Stochastic Lab

The clearest difference is price: Stochastic Lab at $7.99 against Robot Butter's $14.99. Robot Butter's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Robot Butter costs $14.99 and Stochastic Lab $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Robot Butter | Stochastic Lab |
| --- | --- | --- |
| Price | $14.99 | **$7.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/robot-butter/id6759990682/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 7 MB | 180 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Thompson](https://appshunter.io/developer/1511795684) | [Martin Adler](https://appshunter.io/developer/1896354791) |

## What reviewers say

### Robot Butter

[App page](https://appshunter.io/ios/app/robot-butter/id6759990682)

This audio effect app creates dynamic soundscapes by blending animated modulation, adaptive reverb, and digital textures. It offers a fast, playable interface with direct control over key parameters and tempo-synced movement for evolving sound design.

**Highlights:** AUv3 audio effect for iPhone, iPad, and macOS, Animated modulation engine, Adaptive reverb stage, Tempo-synced LFO matrix, Digital texture effects, Built-in user manual, Factory and user presets

**In-app purchases:** none


### Stochastic Lab

[App page](https://appshunter.io/ios/app/stochastic-lab/id6809621751)

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

**In-app purchases:** none


## Frequently asked questions

### Is Robot Butter free?

Robot Butter costs $14.99, with no in-app purchases.

### Is Stochastic Lab free?

Stochastic Lab costs $7.99, with no in-app purchases.

### Do Robot Butter or Stochastic Lab have ads?

Neither Robot Butter nor Stochastic Lab 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.*