Comparison

Spring Reverb vs Analog Rack Delay

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

Head to head
About

Spring Reverb

This app emulates the sound of vintage spring reverbs found in guitar amplifiers, offering unique sonic possibilities beyond traditional hardware. It allows for detailed manipulation of physical parameters, creating both authentic and experimental reverb effects for various instruments.

Highlights
  • Emulates popular spring reverb sounds
  • Manipulate physical spring parameters
  • Morph between different spring configurations
  • Tempo-synced reverb decay
  • Tube-amp style tremolo (pre/post reverb)
  • Modulation for chorus-like effects
  • Dynamic control with The Ribbon
Read full description

Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music. Spring takes this a step further by allowing manipulation of physical parameters not normally available in a real spring tank. The results vary from faithful recreations of real springs to distinctive new sounds that push the physical boundaries of reverb. Guitarists love the revered surfer vibe but all creative musicians will find that Spring makes any synthesizer, drum, or vocal stand out in a mix. This vintage reverb sound originally derived from the reflections of sound waves traveling through springs has been given an overhaul for the 21st century and beyond. Eventide Spring contains two different sized ‘spring tanks’ along with the ability to morph between one and three springs. Easily program The Ribbon to seamlessly transition between any two settings in real-time! The added tube-amp-style tremolo can be routed before or after the spring resulting in an unrivaled ability to craft your own unique reverb sound. Alter the intensity by changing the tremolo depth and adjust the tremolo rate in Hz, or note value when tempo-synced to your project. Features: - Artist presets by Matt Lange, Nick Hook, and Nu-Trix. - Tempo Sync reverb decay to your DAW. - Craft original sounds by changing the number of springs and damping frequency. - Alter overall resonance by selecting the size of the spring tank. - Tube-amp-style tremolo that can be routed pre- or post-reverb. - Create chorus-like effects by altering Modulation Level. - The Ribbon controller allows for dynamic modification of several knobs at once to easily morph between settings. - Programmable Hotswitch provides the ability to jump instantly to an alternate sound at the push of a button. - Available as an Audio Units AUv3 plug-in and Standalone App.

About

Analog Rack Delay

This audio plugin offers the powerful delay algorithms of Nembrini Audio in a user-friendly package. It features BPM sync, a stereo spread circuit, and a rich analog tube preamp for unique signal coloration. Use it as a standalone app or within other music production software.

Highlights
  • Analog delay algorithms
  • BPM Sync
  • Stereo spread circuit
  • Tube preamp coloration
  • Standalone app
  • AudioUnit v3 effect
  • Inter-App Audio effect
Features
Read full description

The Analog Rack Delay plugin is the power of Nembrini Audio’s delay algorithms in a simple package! BPM Sync, stereo spread circuit and a very juicy sound! Nembrini Audio has taken the guitarists most preferred analog and digital effect pedals and has repacked it in new rack style plugins easy to use and extremely powerful at the same time, with the addition of a custom design tube preamp virtual circuit which gives color to the signal in a very special way. Just insert the Analog Rack Delay plugin in your tracks to hear its beautiful analog tube coloration! Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect

Screenshots

Spring Reverb3 screens
Analog Rack Delay1 screens

Verdict

The call

The clearest difference is review sentiment: Analog Rack Delay at 100% against Spring Reverb's 54%. Analog Rack Delay also leads on price (Free vs $14.99) and rating (4.8 vs 3.9). Spring Reverb's advantage is iOS requirement (11.0 vs 15). On ratings volume, ads, in-app purchases and device support 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

Analog Rack Delay is free to download; Spring Reverb costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Analog Rack Delay holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 13 and 32 respectively. Written reviews point the same way: 54% of Spring Reverb's written reviews are positive against 100% of Analog Rack Delay's.

UpkeepUpdate frequency

Spring Reverb ships an update every 13 months, Analog Rack Delay every 5 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
Spring Reverb versus Analog Rack Delay: the parameters behind the verdict, then further details
ParameterSpring ReverbAnalog Rack Delay
Price$14.99Free — better
Rating3.9 (13 ratings)4.8 (32 ratings) — better
Positive reviews53.8% of reviews100.0% of reviews — better
Number of ratings1332 — better
Update frequencyEvery 13 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15
Further details — not scored
Size22 MB25 MB
Age rating4+4+
DeveloperEventideNembrini Audio

Customer experience

Spring Reverb

All ratings13 ratings
Positive69.2%
Neutral0.0%
Negative30.8%
Written reviews13 reviews
Positive53.8%
Neutral0.0%
Negative46.2%

Analog Rack Delay

All ratings32 ratings
Positive96.9%
Neutral0.0%
Negative3.1%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Spring Reverb

No in-app purchases

None

Analog Rack Delay

No in-app purchases

Questions

Is Spring Reverb free?
Spring Reverb costs $14.99, with no in-app purchases.
Is Analog Rack Delay free?
Analog Rack Delay is free to download, with no in-app purchases.
Which has better reviews, Spring Reverb or Analog Rack Delay?
Analog Rack Delay is rated higher. Spring Reverb averages 3.9 out of 5 from 13 ratings, while Analog Rack Delay averages 4.8 from 32 ratings.
Do Spring Reverb or Analog Rack Delay have ads?
Neither Spring Reverb nor Analog Rack Delay shows ads.
Which is updated more often, Spring Reverb or Analog Rack Delay?
Spring Reverb ships an update every 13 months, and Analog Rack Delay every 5 months. Most recently, Spring Reverb was updated on October 14, 2026 and Analog Rack Delay on October 13, 2026.

Other comparisons