# Echochops vs SquareAcid

The clearest difference is rating: SquareAcid at 4.3 against Echochops's 3.6. SquareAcid also leads on update cadence (weekly vs every 15 months) and ratings volume (15 vs 5). Echochops's advantage is price ($0.99 vs $6.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Echochops costs $0.99 and SquareAcid $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SquareAcid holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews point the same way: 63% of Echochops's written reviews are positive against 67% of SquareAcid's.

Echochops ships an update every 15 months, SquareAcid weekly. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Echochops | SquareAcid |
| --- | --- | --- |
| Price | **$0.99** | $6.99 |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/echochops/id296803692/reviews) | **[4.3 (15 ratings)](https://appshunter.io/ios/app/squareacid-acid-synthesizer/id1537191063/reviews)** |
| Number of ratings | 5 | **15** |
| Positive reviews | 62.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 1 MB | 6 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [James Navarro](https://appshunter.io/developer/514153445) |

## What reviewers say

### Echochops

[App page](https://appshunter.io/ios/app/echochops/id296803692)

This app creates a feedback delay effect on sounds from your device's microphone, mimicking an echo. It allows for creative musical patterns and ambient sound experiences through adjustable delay times and filters. Experiment with various audio effects for both musical and experimental purposes.

**Highlights:** Adjustable delay time up to 60 seconds, Feedback rate control, Four audio filter types, Parameter control via tilt and rotation, Glitch and Funny delay modes, Background audio playback

**Features:** macOS Compatibility

**In-app purchases:** none


### SquareAcid

[App page](https://appshunter.io/ios/app/squareacid-acid-synthesizer/id1537191063)

This app is a unique acid synthesizer inspired by classic hardware. It offers a distinct sound with growls and barks, functioning as a standalone application with Audiobus and Ableton Link support, as well as an AUv3 plugin.

**Highlights:** Hardware-inspired acid synthesis, Standalone application, Audiobus support, Ableton Link integration, AUv3 audio unit plugin

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Echochops free?

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

### Is SquareAcid free?

SquareAcid costs $6.99, with no in-app purchases.

### Which has better reviews, Echochops or SquareAcid?

SquareAcid is rated higher. Echochops averages 3.6 out of 5 from 5 ratings, while SquareAcid averages 4.3 from 15 ratings.

### Do Echochops or SquareAcid have ads?

Neither Echochops nor SquareAcid shows ads.

### Which is updated more often, Echochops or SquareAcid?

Echochops ships an update every 15 months, and SquareAcid weekly. Most recently, Echochops was updated on October 31, 2026 and SquareAcid on October 24, 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.*