# Crystalline Mini - Shimmer FX > Shimmer reverb and delay audio effect processor for iOS. (iPhone/iPad app by Holderness Media.) - Source: https://appshunter.io/ios/app/crystalline-mini-shimmer-fx/id950830797 (this page in markdown: same URL + `.md`) - Developer: [Holderness Media](https://appshunter.io/developer/431020308) - Category: Music, Entertainment - Price: $2.99 - Rating: 4.20/5 from 5 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 12.4 · 3 MB - Languages: American English - Released: 2015-01-09 - Data updated: 2026-07-16 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/crystalline-mini-shimmer-fx/id950830797/reviews.md ## What is Crystalline Mini? Crystalline Mini is a shimmer reverb/delay effect for Audiobus and Inter-app audio. Create synth-like tones and textures from almost any sound source, perfect for guitar, vocals, synths, sound design and more. Crystalline Mini is capable of a wide range of sounds, including classic "shimmer" effects from the 80's, unique pitch shifted delays and lush reverbs. Crystalline is a highly creative and unique effects processor. Guitarists can plug their instrument into an audio interface such as the Apogee Jam and get the elusive shimmer reverb tone they've been searching for. Crystalline Mini supports Core MIDI via the Camera Connection kit, USB MIDI interfaces, Virtual MIDI and WiFi connections. The MIDI Learn function lets you easily assign your MIDI controller's knobs and sliders to control Crystalline's effect parameters. Here's what users are saying: "Wow Holy Cow! Guitarism 12- string into Crystalline and I thought it sounded like 'Under the Milky Way Tonight'. I can't think of an instrument that would not sound fantastic with Crystalline. IGrand, Galileo, Sunrizer(holy another cow!), IPolySix all sounded like awesomeness." - NoiseHorse (Audiobus forum) "Crystalline isn't what I was looking for many years... IT'S MUCH MORE!!! I just can't stop using it!!! By far, the best effect for guitar I've used in my life!!! Thanks again!!!" - Leonardo Leite De Castro (user) For more info visit https://www.holdernessmedia.com. In addition to Audiobus and Inter-app Audio support, Crystalline Mini can also process external instruments such as guitar, voice and synths by connecting a microphone or professional audio interface such as the Apogee Jam, ONE, or any iOS compatible USB audio interface. Guitarists can use our effects live by connecting the output of their audio interface to an amp. For more info and video demos visit: https://www.holdernessmedia.com Check out our entire FX series including Caramel, Echo Pad, Stereo Designer and Swoopster! COMPATIBILITY: • requires iOS 8.0 or later • iPhone 5 or newer • Audiobus 2 compatible (Effect, state saving) • Inter-App audio compatible (effect node) • Compatible with DAW apps such as Garageband and Multitrack DAW • compatible with USB audio interfaces • Core MIDI compatible FEATURES: • Control Left and Right channel delay time, feedback, reverb and more. • 16 delay modes for a wide variety of pitch shifted delay effects • Multiple stereo output modes including Wide Stereo, Cross Feedback, Stereo Tremolo and Sum to Mono. • Delay/Reverb Ducking with Sensitivity, Threshold, and Release • Delay BPM sync, per channel or linked • MIDI clock sync for delays • Receive MIDI over Bluetooth LE • Huge range of ambient sound effects possible, from beautiful shimmering reverbs to dissonant, metallic delays. • Audiobus 2 compatible with state saving • Inter-app Audio compatible • Core MIDI compatible, works with any MIDI controller via MIDI Learn • Select presets via MIDI program change Crystalline Mini works with just about any professional iOS compatible USB audio interfaces. Here is a list of interfaces that have been tested and verified to be compatible: • Apogee Jam • Apogee Mic • Apogee ONE for iPad/Mac • Apogee DUET for iPad/Mac • Apogee QUARTET for iPad/Mac • iConnectMIDI2+ • iConnectMIDI4+ • iRig • iRig HD • iRig iMic • Focusrite Scarlett series (*requires USB hub) • Focusrite iTrack Dock • Alesis io2 • Alesis IO Dock • Behringer UCA202 • many more ## Key features - Shimmer reverb and delay effects - Pitch-shifted delay modes - MIDI Learn for controller assignment - Audiobus and Inter-App Audio support - Stereo output modes - Delay/Reverb Ducking ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/crystalline-mini-shimmer-fx/id950830797/reviews.md ### 5/5 — Lush shimmer reverb, on the Eventide spectrum *2017-01-02* Great sound ### 5/5 — Cheating *2016-11-26* Your music will instantly become the most beautiful thing you've ever heard. I still don't get the algorithm here but I don't care because oh my strymons, *magic*. ### 5/5 — Top quality *2016-01-04* Like all Holderness apps, it is a delight to use. ## Frequently asked questions about Crystalline Mini ### What is Crystalline Mini? Crystalline Mini is an audio effects processor for iOS that specializes in creating shimmer reverb and delay sounds. It can transform various audio inputs, like guitars and synths, into unique ambient textures and pitch-shifted delays. ### What kind of sounds can Crystalline Mini create? It can produce classic 80s shimmer effects, unique pitch-shifted delays, and lush reverbs. Users have described its output as sounding fantastic on a wide range of instruments, from guitars to synthesizers. ### Does Crystalline Mini work with MIDI controllers? Yes, Crystalline Mini supports Core MIDI, including USB MIDI interfaces and Virtual MIDI. Its MIDI Learn function allows you to easily assign your controller's knobs and sliders to control effect parameters. ### What devices is Crystalline Mini compatible with? Crystalline Mini requires iOS 8.0 or later and is compatible with iPhone 5 or newer. It also supports Audiobus 2 and Inter-App Audio, and works with DAW apps like Garageband. ### How much does Crystalline Mini cost? Crystalline Mini is a paid application, priced at $2.99. There are no in-app purchases or subscriptions mentioned for this app. ### How often is Crystalline Mini updated? The latest version, 1.1.5, was released on May 2, 2024. This indicates that the app is actively maintained and receives updates. ### Is Crystalline Mini suitable for live performance? Yes, guitarists can use Crystalline Mini live by connecting their audio interface output to an amplifier. The app's compatibility with audio interfaces and MIDI controllers makes it a viable tool for live setups. ### Does Crystalline Mini have ads? No, Crystalline Mini does not contain advertisements. It is a paid application that offers an ad-free experience. ## Version history (last 5 releases) ### 1.1.5 — 2024-05-02 • Add Bluetooth audio support. • Various bugfixes and improvements. ### 1.1.4 — 2024-04-29 • Various bugfixes and improvements. ### 1.1.3 — 2017-03-10 This app has been updated by Apple to display the Apple Watch app icon. • Audiobus 3 ready • Added option to save state on quit and recall when app is next launched (this option can be enabled in the settings page) • minor bugfixes ### 1.1.2 — 2016-05-20 • update Audiobus SDK • minor bugfixes ### 1.1.1 — 2015-08-27 • update Audiobus SDK ## Apps similar to Crystalline Mini | App | Rating | Price | Category | | --- | --- | --- | --- | | [Zen AutoPan](https://appshunter.io/ios/app/zen-autopan/id6478596185) | 4.6 (14) | Free | Music | | [Things - Fold](https://appshunter.io/ios/app/things-fold/id6498930828) | 5.0 (11) | $2.99 | Music | | [Wurly - Electric Piano](https://appshunter.io/ios/app/wurly-electric-piano/id6474792239) | 4.6 (10) | $12.99 | Music | ## More apps by Holderness Media - [Echo Pad - Delay FX Processor](https://appshunter.io/ios/app/echo-pad-delay-fx-processor/id573511415) - [Swoopster - Fuzz Flanger FX](https://appshunter.io/ios/app/swoopster-fuzz-flanger-fx/id736436952) - [Stereo Designer - StereoShaper](https://appshunter.io/ios/app/stereo-designer-stereoshaper/id791454067) - [Crystalline - Shimmer Echo FX](https://appshunter.io/ios/app/crystalline-shimmer-echo-fx/id859121707) - [Caramel - Crusher FX](https://appshunter.io/ios/app/caramel-crusher-fx/id883581594) - [Stereo Designer Mini - AudioFX](https://appshunter.io/ios/app/stereo-designer-mini-audiofx/id949810044) All apps by Holderness Media: https://appshunter.io/developer/431020308 --- *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 2026-07-16.*