# EchoSketch vs Porthole Audio

The clearest difference is update cadence: EchoSketch at every 2 days against Porthole Audio's every 10 days. EchoSketch also leads on iOS requirement (17 vs 27.0). Porthole Audio's advantage is price ($4.99 vs $7.99) and chart position (#117 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

EchoSketch costs $7.99 and Porthole Audio $4.99 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 — 5.0 for EchoSketch against 5.0 for Porthole Audio. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

EchoSketch ships an update every 2 days, Porthole Audio every 10 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | EchoSketch | Porthole Audio |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/porthole-audio/id6810750563/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Paid | Paid |
| Best chart rank | — | **#117** |
| Size | 5 MB | 7 MB |
| Requires iOS | **17** | 27.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avi Bortnick](https://appshunter.io/developer/421929037) | [Feras Alnatsheh](https://appshunter.io/developer/1150939919) |

## What reviewers say

### EchoSketch

[App page](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741)

Shape delay and reverb effects in real-time with a playable X/Y performance surface. Explore four distinct delay types and multiple reverb options, with extensive parameter control for unique sound morphing. Works as a standalone app or an Audio Unit plugin.

**Highlights:** X/Y performance surface for real-time sound shaping, Four distinct delay types: digital, analog, reverse, ping-pong, Spring, plate, and hall convolution reverb, Modulation and tone control for echoes, HOLD, LIFT, FREEZE, and MOTION performance gestures, Standalone app and AUv3 plugin compatibility

**Features:** Vision Pro support

**In-app purchases:** none


### Porthole Audio

[App page](https://appshunter.io/ios/app/porthole-audio/id6810750563)

**Currently charting:** #117 Top Paid · Music (US App Store)

This app captures system audio from your device and routes it into audio plug-ins. It allows you to host AUv3 plug-ins and use the app itself as an instrument within other music applications.

**Highlights:** Capture system audio, Route audio to plug-ins, Host AUv3 plug-ins, Use as an AUv3 instrument, Cross-app audio capture

**In-app purchases:** none


## Frequently asked questions

### Is EchoSketch free?

EchoSketch costs $7.99, with no in-app purchases.

### Is Porthole Audio free?

Porthole Audio costs $4.99, with no in-app purchases.

### Which has better reviews, EchoSketch or Porthole Audio?

EchoSketch and Porthole Audio are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do EchoSketch or Porthole Audio have ads?

Neither EchoSketch nor Porthole Audio shows ads.

### Which is updated more often, EchoSketch or Porthole Audio?

EchoSketch ships an update every 2 days, and Porthole Audio every 10 days. Most recently, EchoSketch was updated on October 14, 2026 and Porthole Audio on October 10, 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.*