Comparison

springVerb vs 501 Chorus Echo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

springVerb

This app offers a wide range of vintage and modern spring reverb effects for music production. It features 14 distinct spring modes and extensive controls for deep sound customization, including EQ and automation. Presets can be saved and shared across platforms.

Highlights
  • 14 Spring Reverb Models
  • 16+ In-depth Controls
  • Built-in 3-band EQ
  • Preset Manager
  • Cross-platform Preset Sharing
  • Automation Control
Features
Read full description

Vintage Vibes, Timeless Reverberations Spring reverb has a long history, making its debut on organ sounds and rapidly gaining attention after being built into some of the most famous guitar amps known to man. In today's musical world, spring reverb is now pretty much used on anything that could use just a touch of ambience. Experience Spring in Full Spectrum with 14 Vibrant Spring Modes springVerb is packed with 14 spring modes to give you a wide range of spring sounds to take your sounds to the next level. Fully Customizable Sound for Any Situation Unlock the full sonic potential of each mode with in-depth controls; Mix, Dampening, Ducking, Left/Right Repeats and Decay. Their three band EQ Section (Low, Mid, and High), and master controls (Master Volume & Pan). Seamless Integration Across Platforms. All settings can be saved and loaded in your sessions as well as cross platform presets. All parameters offer automation control to get the most expressive sound. Features - 14 Spring Reverb Models; ranging from early/vintage styles to creatively inspiring and modern/futuristic - Over 16 In-depth controls to sculpt your reverbs, including: Pre Delay, Decay, Damping, Repeat Speed, Ducking, and more! - Built-in 3-band EQ section for additional sonic character control - Preset Manager with Save, Save As, Rename, and Delete functionality - Over 20 Factory presets, including both Send and Insert styles - Cross-platform support: presets can be shared between iOS and macOS & Windows

About

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.

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
Features
Read full description

"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.

Screenshots

springVerb4 screens
501 Chorus Echo1 screens

Verdict

The call

The clearest difference is update cadence: springVerb at every 5 months against 501 Chorus Echo's every 17 months. springVerb also leads on price ($4.99 vs $8.99) and iOS requirement (12.0 vs 15). 501 Chorus Echo's advantage is rating (4.5 vs 4.3). On review sentiment, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

springVerb costs $4.99 and 501 Chorus Echo $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

501 Chorus Echo holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

springVerb ships an update every 5 months, 501 Chorus Echo every 17 months. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
springVerb versus 501 Chorus Echo: the parameters behind the verdict, then further details
ParameterspringVerb501 Chorus Echo
Price$4.99 — better$8.99
Rating4.3 (6 ratings)4.5 (8 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings68 — better
Update frequencyEvery 5 months — betterEvery 17 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15
Further details — not scored
Size80 MB23 MB
Age rating4+4+
DeveloperOSC AudioNembrini Audio

Customer experience

springVerb

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

501 Chorus Echo

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

springVerb

No in-app purchases

None

501 Chorus Echo

No in-app purchases

Questions

Is springVerb free?
springVerb costs $4.99, with no in-app purchases.
Is 501 Chorus Echo free?
501 Chorus Echo costs $8.99, with no in-app purchases.
Which has better reviews, springVerb or 501 Chorus Echo?
501 Chorus Echo is rated higher. springVerb averages 4.3 out of 5 from 6 ratings, while 501 Chorus Echo averages 4.5 from 8 ratings.
Do springVerb or 501 Chorus Echo have ads?
Neither springVerb nor 501 Chorus Echo shows ads.
Which is updated more often, springVerb or 501 Chorus Echo?
springVerb ships an update every 5 months, and 501 Chorus Echo every 17 months. Most recently, springVerb was updated on September 23, 2026 and 501 Chorus Echo on September 28, 2026.

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