# Pendoly vs EchoSketch

The clearest difference is update cadence: EchoSketch at every 2 days against Pendoly's every 2 months. Pendoly's advantage is price ($3.99 vs $7.99) and iOS requirement (14.0 vs 17). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Pendoly costs $3.99 and EchoSketch $7.99 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 Pendoly against 5.0 for EchoSketch. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Pendoly ships an update every 2 months, EchoSketch every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pendoly | EchoSketch |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pendoly/id6755604764/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/echosketch-performance-delay/id6794466741/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 32 MB | 5 MB |
| Requires iOS | **14.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Caroline Siegers](https://appshunter.io/developer/1854826310) | [Avi Bortnick](https://appshunter.io/developer/421929037) |

## What reviewers say

### Pendoly

[App page](https://appshunter.io/ios/app/pendoly/id6755604764)

This app transforms pendulum swings into musical compositions. Choose from various instrument sounds or create your own unique harmonies. Experience the blend of physics and music with high-quality, recorded instruments.

**Highlights:** Pendulum-driven music generation, Customizable harmonies, Multiple high-quality instrument sounds, Physics-based composition, Hand-recorded instruments

**Features:** macOS Compatibility

**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 Pendoly free?

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

### Is EchoSketch free?

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

### Which has better reviews, Pendoly or EchoSketch?

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

### Do Pendoly or EchoSketch have ads?

Neither Pendoly nor EchoSketch shows ads.

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

Pendoly ships an update every 2 months, and EchoSketch every 2 days. Most recently, Pendoly was updated on October 25, 2026 and EchoSketch 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.*