# Echo Pitch vs Robot Butter

The clearest difference is price: Echo Pitch at $4.99 against Robot Butter's $14.99. Echo Pitch also leads on chart position (#180 vs unranked) and update cadence (every 2 weeks vs monthly). Robot Butter's advantage is review sentiment (100% vs 68%). On rating, ads, in-app purchases and monetization model there is nothing between them.

Echo Pitch costs $4.99 and Robot Butter $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Echo Pitch against 5.0 for Robot Butter. That said, the two scores are not equally well evidenced: Echo Pitch has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 68% of Echo Pitch's written reviews are positive against 100% of Robot Butter's.

Echo Pitch ships an update every 2 weeks, Robot Butter monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Echo Pitch | Robot Butter |
| --- | --- | --- |
| Price | **$4.99** | $14.99 |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/echo-pitch/id1180443904/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/robot-butter/id6759990682/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 68.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Paid | Paid |
| Best chart rank | **#180** | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Avi Bortnick](https://appshunter.io/developer/421929037) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### Echo Pitch

[App page](https://appshunter.io/ios/app/echo-pitch/id1180443904)

**Currently charting:** #180 Top Paid · Music (US App Store)

This app offers a multi-delay effect with pitch-shifting capabilities, allowing for harmonized sounds and ambient textures. It includes a looper, amp simulator, and reverb for creative sound design. Optimized for iOS devices with audio interface support.

**Highlights:** Pitch-shifting delays, 4-voice harmonizer, Built-in looper, Amp simulator, Reverb effect, Inter-delay routing

**Features:** Vision Pro support

**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 Echo Pitch free?

Echo Pitch costs $4.99, with no in-app purchases.

### Is Robot Butter free?

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

### Which has better reviews, Echo Pitch or Robot Butter?

Robot Butter is rated higher. Echo Pitch averages 4.9 out of 5 from 16 ratings, while Robot Butter averages 5.0 from 2 ratings.

### Do Echo Pitch or Robot Butter have ads?

Neither Echo Pitch nor Robot Butter shows ads.

### Which is updated more often, Echo Pitch or Robot Butter?

Echo Pitch ships an update every 2 weeks, and Robot Butter monthly. Most recently, Echo Pitch was updated on October 24, 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.*