# Crystals Harmonizer® vs Shimmer Delay Ambient Machine

The clearest difference is price: Shimmer Delay Ambient Machine at $6.99 against Crystals Harmonizer®'s $14.99. Shimmer Delay Ambient Machine also leads on rating (5.0 vs 4.6). Crystals Harmonizer®'s advantage is review sentiment (92% vs 67%) and update cadence (every 3 months vs every 5 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Crystals Harmonizer® costs $14.99 and Shimmer Delay Ambient Machine $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shimmer Delay Ambient Machine holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Crystals Harmonizer® has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 92% of Crystals Harmonizer®'s written reviews are positive against 67% of Shimmer Delay Ambient Machine's, so the app with the better star average is not the one people write more warmly about.

Crystals Harmonizer® ships an update every 3 months, Shimmer Delay Ambient Machine every 5 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | Crystals Harmonizer® | Shimmer Delay Ambient Machine |
| --- | --- | --- |
| Price | $14.99 | **$6.99** |
| Rating | [4.6 (20 ratings)](https://appshunter.io/ios/app/crystals-harmonizer/id1504257443/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/shimmer-delay-ambient-machine/id1559249944/reviews)** |
| Number of ratings | **20** | 4 |
| Positive reviews | **92.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 15 MB | 34 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### Crystals Harmonizer®

[App page](https://appshunter.io/ios/app/crystals-harmonizer/id1504257443)

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.

**Highlights:** 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

**In-app purchases:** none


### Shimmer Delay Ambient Machine

[App page](https://appshunter.io/ios/app/shimmer-delay-ambient-machine/id1559249944)

Create expansive soundscapes with this app that blends reverb, pitch shifting, and feedback. It's ideal for guitars, keys, synths, and vocals, offering real-time control and optimized performance for ambient electronic music production.

**Highlights:** Reverb, pitch shifting, and feedback effects, Auto-swell for dynamic volume changes, Real-time parameter control, Optimized CPU usage, Standalone, AUv3, and IAA support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crystals Harmonizer® free?

Crystals Harmonizer® costs $14.99, with no in-app purchases.

### Is Shimmer Delay Ambient Machine free?

Shimmer Delay Ambient Machine costs $6.99, with no in-app purchases.

### Which has better reviews, Crystals Harmonizer® or Shimmer Delay Ambient Machine?

Shimmer Delay Ambient Machine is rated higher. Crystals Harmonizer® averages 4.6 out of 5 from 20 ratings, while Shimmer Delay Ambient Machine averages 5.0 from 4 ratings.

### Do Crystals Harmonizer® or Shimmer Delay Ambient Machine have ads?

Neither Crystals Harmonizer® nor Shimmer Delay Ambient Machine shows ads.

### Which is updated more often, Crystals Harmonizer® or Shimmer Delay Ambient Machine?

Crystals Harmonizer® ships an update every 3 months, and Shimmer Delay Ambient Machine every 5 months. Most recently, Crystals Harmonizer® was updated on September 21, 2026 and Shimmer Delay Ambient Machine on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*