501 Chorus Echo vs SR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
501 Chorus Echo
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.
- Authentic analog sound reproduction
- Extended creative control with DAW sync
- Intuitive user interface
- Versatile for any music genre
- Independent SOS timings
- Linear preamp option
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"Legendary Analog Warmth: Authentic Spring Reverb, Classic Tape Delay, and Lush BBD Chorus in a Cutting-Edge Plugin" Rediscover the iconic sound of the Roland RE-501 Chorus Echo*, now reborn as the NA 501 Chorus Echo plugin by Nembrini Audio. This meticulously modeled plugin captures the essence of the legendary tape echo, BBD chorus, and spring reverb, enhanced with modern digital functionality for today's music producers. Ideal for adding rich, analog textures to any genre, the NA 501 is a versatile tool for musicians and producers seeking that classic sound with contemporary flexibility. Key Features:: 1 - Authentic Sound Reproduction: Delivers the classic warmth and character of the Roland RE-501 through precise digital modeling. 2 - Extended Creative Control: Offers advanced features like DAW tempo sync, expanded chorus and delay parameters, and independent SOS timings. 3 - Intuitive User Interface: Designed for ease of use, blending vintage aesthetics with modern digital efficiency. 4 - Versatility for Any Genre: Whether you're producing rock, electronic, ambient, or beyond, the NA 501 fits seamlessly into any musical project. Equipped with features tailored for modern production, the NA 501 includes DAW tempo synchronization, a wide parameter range for the BBD chorus and analog tape delay, separate left and right SOS timings, and a linear preamp option. These technical enhancements ensure that the NA 501 not only emulates the classic sound but elevates it to new levels. Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect Legal Disclaimer: RE-501 Chorus Echo is a registered trademark of Roland Inc. NA 501 Chorus Echo was developed by Nembrini Audio SRL based on its modeling techniques. Roland has not endorsed nor sponsored the NA 501 Chorus Echo in any manner, nor licensed any intellectual property for use in this product.
SR
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.
- 5 classic analog drum sounds
- Pitch, pan, and mix sounds independently
- Low Pass Filter, Overdrive, Compressor, Reverb
- Sequencer for pattern building
- MIDI file export
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SR-88 is a sample-based plugin emulation of the Sound Master Memory Rhythm SR-88, a rare analog drum machine from the 80s. The instrument features 5 classic analog sounds: Kick, Snare, Hi Hat 1, Hi Hat 2, and Cymbal, which can be pitched, panned or mixed independently. You can additionally shape the sound with the Low Pass Filter (Zero Delay Feedback), Overdrive, Compressor and Reverb. The sequencer lets you easily build patterns that can be exported as MIDI files.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 501 Chorus Echo | SR |
|---|---|---|
| Price | $8.99 — better | $14.99 |
| Rating | 4.5 (8 ratings) — better | 4.3 (9 ratings) |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 8 | 9 — better |
| Update frequency | Every 3 days | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 19 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Nembrini Audio | AudioThing Ltd. |
Customer experience
501 Chorus Echo
SR
In-app purchases
501 Chorus Echo
No in-app purchases
SR
No in-app purchases


