# 501 Chorus Echo vs SR

The clearest difference is ads: SR at none against 501 Chorus Echo's shown. SR also leads on review sentiment (33% vs 0%). 501 Chorus Echo's advantage is price ($8.99 vs $14.99). On rating, ratings volume, in-app purchases and monetization model there is nothing between them.

501 Chorus Echo costs $8.99 and SR $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

501 Chorus Echo holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews complicate that: 0% of 501 Chorus Echo's written reviews are positive against 33% of SR's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | 501 Chorus Echo | SR |
| --- | --- | --- |
| Price | **$8.99** | $14.99 |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/501-chorus-echo/id6473418769/reviews)** | [4.3 (9 ratings)](https://appshunter.io/ios/app/sr-88/id6478314147/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Paid | Paid |
| Size | 19 MB | 51 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### 501 Chorus Echo

[App page](https://appshunter.io/ios/app/501-chorus-echo/id6473418769)

This audio plugin meticulously models the iconic Roland RE-501 Chorus Echo, offering authentic analog warmth with modern digital flexibility. It provides producers with classic tape delay, BBD chorus, and spring reverb sounds, enhanced by DAW tempo sync and expanded controls for any music genre.

**Highlights:** Authentic analog sound reproduction, Extended creative control with DAW sync, Intuitive user interface, Versatile for any music genre, Independent SOS timings, Linear preamp option

**In-app purchases:** none


### SR

[App page](https://appshunter.io/ios/app/sr-88/id6478314147)

This app emulates a rare 80s analog drum machine, offering classic sounds with extensive sound-shaping controls. Build patterns with its sequencer and export them as MIDI files.

**Highlights:** 5 classic analog drum sounds, Pitch, pan, and mix sounds independently, Low Pass Filter, Overdrive, Compressor, Reverb, Sequencer for pattern building, MIDI file export

**In-app purchases:** none


## Frequently asked questions

### Is 501 Chorus Echo free?

501 Chorus Echo costs $8.99, with no in-app purchases.

### Is SR free?

SR costs $14.99, with no in-app purchases.

### Which has better reviews, 501 Chorus Echo or SR?

501 Chorus Echo is rated higher. 501 Chorus Echo averages 4.5 out of 5 from 8 ratings, while SR averages 4.3 from 9 ratings.

### Do 501 Chorus Echo or SR have ads?

501 Chorus Echo shows ads; SR does not.

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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.*