BLEASS Reverb vs Crystals Harmonizer®
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLEASS Reverb
This app offers a unique approach to reverb effects, allowing real-time manipulation and warping of acoustic spaces. It goes beyond standard reverb with features like a mutable generator, freeze mode, and a built-in ducker for creative sound design. Its intuitive interface ensures a focus on sound detail without overwhelming users.
- Mutable reverb generator
- Real-time space warping
- Freeze mode
- Built-in ducker
- Intuitive interface
- AUv3 plugin support
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Reverbs let us simulate acoustic spaces, but with BLEASS Reverb you can mutate and warp that space in realtime with tactile, hands-on controls. If what you need is great-sounding acoustic simulation then BLEASS Reverb is happy to help. But BLEASS Reverb goes far beyond conventional reverb processors. Its mutable reverb generator, freeze mode, and built-in ducker open doors to whole new worlds of sonic possibilities for you to explore. BLEASS Reverb’s clear, colourful and intuitive interface allows you to focus on the important details of your sound without overwhelming you with countless arcane options and settings. And nor will your iOS device be overwhelmed by BLEASS Reverb’s super-efficient engine. BLEASS Reverb App is an AUv3 plugin. A Desktop compatible plugin (VST3 / AU / AAX) is also available for Windows and macOS. More information, technical specifications and tutorials available on https://www.bleass.com/reverb/
Crystals Harmonizer®
This app offers advanced pitch shifting, delay, and reverb effects inspired by a classic hardware unit. Create expansive, modulated soundscapes for instruments and vocals, with real-time control over parameters.
- 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
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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.
Screenshots
Verdict
The clearest difference is price: BLEASS Reverb at $6.99 against Crystals Harmonizer®'s $14.99. Crystals Harmonizer®'s advantage is update cadence (every 3 months vs every 7 months) and review sentiment (92% vs 80%). On rating, 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
BLEASS Reverb costs $6.99 and Crystals Harmonizer® $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BLEASS Reverb holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 32 and 20 respectively. Written reviews complicate that: 80% of BLEASS Reverb's written reviews are positive against 92% of Crystals Harmonizer®'s, so the app with the better star average is not the one people write more warmly about.
BLEASS Reverb ships an update every 7 months, Crystals Harmonizer® every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | BLEASS Reverb | Crystals Harmonizer® |
|---|---|---|
| Price | $6.99 — better | $14.99 |
| Rating | 4.8 (32 ratings) — better | 4.6 (20 ratings) |
| Positive reviews | 80.0% of reviews | 92.3% of reviews — better |
| Number of ratings | 32 — better | 20 |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 28 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | BLEASS | Eventide |
Customer experience
BLEASS Reverb
Crystals Harmonizer®
In-app purchases
BLEASS Reverb
No in-app purchases
Crystals Harmonizer®
No in-app purchases
Questions
Is BLEASS Reverb free?
Is Crystals Harmonizer® free?
Which has better reviews, BLEASS Reverb or Crystals Harmonizer®?
Do BLEASS Reverb or Crystals Harmonizer® have ads?
Which is updated more often, BLEASS Reverb or Crystals Harmonizer®?
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