# Chorus D vs ERS_250

The clearest difference is rating: Chorus D at 5.0 against ERS_250's 4.3. Chorus D also leads on price ($5.99 vs $13.99). ERS_250's advantage is iOS requirement (9.3 vs 12.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Chorus D costs $5.99 and ERS_250 $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chorus D holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chorus D ships an update every 7 months, ERS_250 every 8 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chorus D | ERS_250 |
| --- | --- | --- |
| Price | **$5.99** | $13.99 |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/chorus-d/id1499061277/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/ers-250/id1584339422/reviews) |
| Number of ratings | 6 | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 9 MB |
| Requires iOS | 12.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Christian Siedschlag](https://appshunter.io/developer/538434682) |

## What reviewers say

### Chorus D

[App page](https://appshunter.io/ios/app/chorus-d/id1499061277)

This audio unit effect emulates a classic chorus stomp-box with a unique, subtle sound. It offers a wider stereo image and thicker sound without the typical pitch-wavy artifacts. Its simplified interface provides a range of tasteful tones.

**Highlights:** Subtle stereo pitch-shifting, Constant pitch-shift amounts, Stereo image widening, Sound thickening, Six tasteful presets, Unique sound profile

**Features:** macOS Compatibility

**In-app purchases:** none


### ERS_250

[App page](https://appshunter.io/ios/app/ers-250/id1584339422)

This audio plugin faithfully replicates the EMT 250, the first digital hardware reverb ever made. It offers adjustable decay time, frequency response, predelay, and a dry-wet ratio, with an optional modern schematic.

**Highlights:** Replication of original EMT 250 schematics, Adjustable reverb decay time (0.4-5s), Adjustable low and high frequency response, Adjustable predelay, Additional low-pass filter, Adjustable Dry-Wet ratio, Optional 'modern' schematics

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chorus D free?

Chorus D costs $5.99, with no in-app purchases.

### Is ERS_250 free?

ERS_250 costs $13.99, with no in-app purchases.

### Which has better reviews, Chorus D or ERS_250?

Chorus D is rated higher. Chorus D averages 5.0 out of 5 from 6 ratings, while ERS_250 averages 4.3 from 6 ratings.

### Do Chorus D or ERS_250 have ads?

Neither Chorus D nor ERS_250 shows ads.

### Which is updated more often, Chorus D or ERS_250?

Chorus D ships an update every 7 months, and ERS_250 every 8 months. Most recently, Chorus D was updated on October 12, 2026 and ERS_250 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.*