# Crystals Harmonizer® — Iconic Pitch, Delay & Reverb

> Advanced pitch shifter, delay, and reverb audio effect processor. (iPhone/iPad app by Eventide.)

- Source: https://appshunter.io/ios/app/crystals-harmonizer/id1504257443 (this page in markdown: same URL + `.md`)
- Developer: [Eventide](https://appshunter.io/developer/546518026)
- Category: Music, Entertainment
- Price: $7.99 (on sale, was $14.99)
- Rating: 4.60/5 from 20 App Store ratings · 13 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 15 MB
- Released: 2020-06-08
- Data updated: 2026-08-14
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/crystals-harmonizer/id1504257443/reviews.md

## What is Crystals Harmonizer®?

Eventide Crystals Harmonizer® combines twin reverse pitch shifters with reverse delays and reverb. This iconic H3000 effect can be used to create out-of-this-world climbing and cascading pitched delays or to create unique sounding reverbs. It features two reverse granular delays that can be manipulated by length and pitch. Crystals excels at adding life to boring synths, guitar, and vocals making them sound huge and majestic.  From sound design to other-worldly solos, Crystals will spark inspiration. 

The innovative RIBBON control allows you to modulate many parameters at once. Manipulate the pitches to play it like an instrument or slowly increase feedback to make your signal explode into infinity. Need some extra gusto? Hold down the FLEX button to shift one octave up from the current pitch.

Features:
- Two pitch-shifters, each with a four-octave range from two octaves down to two octaves up.
- Two independently adjustable delays, up to 4 seconds each, with their own individual feedback.
- Reverb with 100 seconds of decay.
- Make it musical by micro-pitching each voice around the 4th (500 cents), 5th (700 cents), or octave (1200 cents).
- Smooth out delay grains by applying up to 4 seconds of delay for each voice.
- RIBBON lets you ‘play’ the effect in real-time and provides dynamic and fluid control to morph back and forth between the settings of your choice.
- FLEX shifts both voices up one octave at the push of a button.
- MIXLOCK keeps MIX control constant as you audition presets.
- Available as an Audio Units AUv3 plug-in and Standalone App.

## Key features

- Twin reverse pitch shifters
- Reverse granular delays
- Real-time RIBBON control
- Octave up FLEX button
- Long decay reverb
- Musical micro-pitching
- Standalone and AUv3 plugin

## Recent user reviews (10 of 13)

All indexed reviews: https://appshunter.io/ios/app/crystals-harmonizer/id1504257443/reviews.md

### 5/5 — refund for CH? got single plugin then saw bundle

*2024-06-18*

hello Eventide, 

how are y’all? 
I bought the crystal harmonizer then clicked on other apps y’all sell & saw the bundle & bought that to get your other amazing plugins for just $5 more - would it be possible to get a refund for the single crystal harmonizer purchase? 

would be much appreciated.

Thanks, B.

**Developer response:** Hi, Apple credits customers for apps they've already purchased within a bundle. So, the cost of Crystals should have been credited in the price you paid for the bundle.

### 5/5 — Trippy and Cool

*2023-12-08*

Very nice when you want some crazy sparkle or something that sounds nothing like the instrument you’re filtering. For appreciators of the non-essential freak out plug in. It’s not a must have but once you got it, you’ll want to use it a lot.

### 2/5 — Can barely use it

*2023-01-05*

When i open it as a plug-in it’s just a black screen.

**Developer response:** Hi, sorry to hear it - could you please reach out to support@eventide.com with the following info, and we will look into it? 1) OS version you are using 2) DAW app you are using it with

### 4/5 — Sounds fine, but crashes a lot.

*2021-12-24*

When it works it’s fine, but frequent crashes make it unusable.

**Developer response:** Hi, sorry to hear about the issues. If you email support@eventide.com with the following info we could help you resolve the issue:

- What version of iOS are you using?
- Are you using the app as a standalone or as an AUv3? If AUv3, what host app are you running it inside of?

### 5/5 — Insane

*2021-05-06, version 1.0.9*

Great. Just listen to some demos and you’ll be downloading before you know what’s happening

### 5/5 — Eventide Quality

*2020-11-23*

I have used eventide hardware in my live set up for years, never thought that I would be getting it on an iPad. This sounds absolutely amazing, lush and warm.Remember, you can do three things, and you don’t necessarily have to do them all at the same time. Yes, it makes a great shimmering special effect, but you can also use it for more simple tasks like just pitch shifting a voice, or putting a bit of that reverse reverb/delay tail on a melodic instrument. Versatile and useful in many way, I use it in Audiobus, standalone, and Auria, functionality is fine.

### 5/5 — Dear Eventide

*2020-10-17*

The app is fantastic as USUAL with you guys. Thank you so much for the super quality! 

One thing though:

The ribbon controller on this one isn’t working, the ranges can not be set. You can try it out and you’ll see that attempting to modify the ranges in the same way it is done in pretty much all of your apps simply doesn’t affect Crystals’s ranges, those are simply un-settable right now. 

Hopefully you can fix this soon! 

Cheers ! 

Eventide is fantastic 💜

**Developer response:** Hey, thanks for the report. We have a fix for this and it will be released shortly.

### 5/5 — UPDATED - 5 stars, it works - deleted n re-downloaded.

*2020-09-08*

So I previously found this problematic, could only get toots and beeps, it seems Sky wifi hub was permitting apps to download but they were corrupted - hub now died, me on iphone tether, deleted Harmoniser and re-downloaded, and AU works in GarageBand, and standalone good too.

I will contact the developer direct to ‘un-complain’.  Now it is working in a sensible way, some of the possibilities are already apparent, it obviously has some great augmentation for whatever input you send it.

My faulty wifi hub editing chunks out of an app that is being downloaded, I have never known such a thing!  Patently nothing to do with Eventide, this was an obscure technical fault intermittent in nature, to do with broadband comms.

### 4/5 — Keeps crashing in AUM

*2020-06-16*

Love the app, sounds amazing, but having consistent issues with it crashing in AUM and having to be closed and reopened, sometimes multiple times a session.

**Developer response:** Hi, please contact us at support@eventide.com and we can look into the issue for you. Please let us know the version of iOS, AUM, and if you are using IAA or AUv3. Steps to reproduce the crash would also be helpful. Thanks!

### 5/5 — Astral toad

*2020-06-10*

Simply WOW.

## Frequently asked questions about Crystals Harmonizer®

### What is Crystals Harmonizer®?

Crystals Harmonizer® is an audio effect application that combines twin reverse pitch shifters with reverse delays and reverb. It's designed to create unique, out-of-this-world pitched delays and reverbs for instruments and vocals.

### What kind of effects does Crystals Harmonizer® offer?

It offers twin reverse pitch shifters with a four-octave range, two independently adjustable reverse delays up to 4 seconds each, and a reverb with up to 100 seconds of decay. It also includes musical micro-pitching options.

### Can I control Crystals Harmonizer® in real-time?

Yes, the innovative RIBBON control allows you to modulate many parameters at once, enabling real-time manipulation and dynamic morphing between effect settings. The FLEX button can also shift both voices up one octave instantly.

### What devices is Crystals Harmonizer® compatible with?

Crystals Harmonizer® is available for iPhone, iPad, and iPod. It functions as both a standalone app and an Audio Units AUv3 plugin.

### How much does Crystals Harmonizer® cost?

Crystals Harmonizer® is a paid application, priced at $14.99. There are no in-app purchases or advertisements associated with this app.

### How often is Crystals Harmonizer® updated?

The latest version, 1.0.19, was released on March 6, 2024. The app is actively maintained by Eventide Inc., suggesting regular updates for performance and features.

### What is the user sentiment for Crystals Harmonizer®?

Users generally have a positive view of Crystals Harmonizer®, reflected in its rating of 4.6 stars from 19 ratings. This indicates a high level of satisfaction with its features and performance.

### Is Crystals Harmonizer® suitable for beginners?

While it offers advanced features, the app's ability to add life and majesty to sounds, along with real-time controls like RIBBON and FLEX, can also be inspiring for users exploring new sonic territories. Its availability as a standalone app makes it accessible.

## Version history (last 5 releases)

### 1.0.19 — 2024-03-06

- Fixes a bug where Touch and Latch automation were not correctly written in Logic Pro for iPad.
- Fixes a bug where the Standalone background image would not render correctly on some iOS devices.
- Adds a MIDI Mute description to the help screen.
- Removes Inter-App Audio support, as it has been deprecated by Apple. Audio Unit v3 can be used instead.
- Other internal bug fixes and improvements.

### 10.0.12 — 2022-03-23

Added MIDI muting.

### 10.0.10 — 2022-03-07

Added support for iPad mini 6 screen resolution.

### 1.0.9 — 2020-11-23

Added new artist presets.

### 1.0.8 — 2020-10-20

Fix for issue that affected ribbon mappings.

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## More apps by Eventide

- [H9 Control](https://appshunter.io/ios/app/h9-control/id568128041)
- [Blackhole Reverb](https://appshunter.io/ios/app/blackhole-reverb/id1452345570)
- [UltraTap Delay](https://appshunter.io/ios/app/ultratap-delay/id1463784516)
- [MicroPitch](https://appshunter.io/ios/app/micropitch/id1463785645)
- [Rotary Mod](https://appshunter.io/ios/app/rotary-mod/id1463786028)
- [ShimmerVerb](https://appshunter.io/ios/app/shimmerverb/id1463786346)

All apps by Eventide: https://appshunter.io/developer/546518026

## Related topics

[harmonizer audio effect](https://appshunter.io/ios/topics/harmonizer-audio-effect)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*