# PD1 vs EchoSketch

The clearest difference is price: PD1 at $3.99 against EchoSketch's $7.99. EchoSketch's advantage is update cadence (every 2 days vs every 6 days). On ads, in-app purchases, monetization model and device support there is nothing between them.

PD1 costs $3.99 and EchoSketch $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PD1 ships an update every 6 days, EchoSketch every 2 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | PD1 | EchoSketch |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 10 MB | 5 MB |
| Requires iOS | 17.5 | **17** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Yamada](https://appshunter.io/developer/1604183940) | [Avi Bortnick](https://appshunter.io/developer/421929037) |

## What reviewers say

### PD1

[App page](https://appshunter.io/ios/app/pd1-analog-delay/id6450869337)

This app simulates classic analog delay pedals, offering a meaner grit with a ladder filter and random delay-line noise. It's an audio-unit effect designed for musicians seeking unique delay sounds.

**Highlights:** Analog delay simulation, Ladder filter for meaner grit, Random delay-line noise, Audio-unit effect plugin, Classic pedal sound recreation

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PD1 free?

PD1 costs $3.99, with no in-app purchases.

### Is EchoSketch free?

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

### Do PD1 or EchoSketch have ads?

Neither PD1 nor EchoSketch shows ads.

### Which is updated more often, PD1 or EchoSketch?

PD1 ships an update every 6 days, and EchoSketch every 2 days. Most recently, PD1 was updated on September 29, 2026 and EchoSketch on September 29, 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.*