# SimplyChorus vs Robot Butter

The clearest difference is price: SimplyChorus at $0.99 against Robot Butter's $14.99. Robot Butter's advantage is update cadence (monthly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SimplyChorus costs $0.99 and Robot Butter $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SimplyChorus ships an update every 2 months, Robot Butter monthly. The most recent releases landed on October 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SimplyChorus | Robot Butter |
| --- | --- | --- |
| Price | **$0.99** | $14.99 |
| 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 | Every 2 months | **Monthly** |
| Monetization | — | Paid |
| Size | 6 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Brad Howes](https://appshunter.io/developer/430573224) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### SimplyChorus

[App page](https://appshunter.io/ios/app/simplychorus/id1617785972)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SimplyChorus free?

SimplyChorus costs $0.99, with no in-app purchases.

### Is Robot Butter free?

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

### Do SimplyChorus or Robot Butter have ads?

Neither SimplyChorus nor Robot Butter shows ads.

### Which is updated more often, SimplyChorus or Robot Butter?

SimplyChorus ships an update every 2 months, and Robot Butter monthly. Most recently, SimplyChorus was updated on October 30, 2026 and Robot Butter on October 17, 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.*