# BST100 V2 Super Overdrive vs Crystals Harmonizer®

The clearest difference is rating: BST100 V2 Super Overdrive at 5.0 against Crystals Harmonizer®'s 4.6. Crystals Harmonizer®'s advantage is price ($14.99 vs $19.99) and update cadence (every 3 months vs every 7 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

BST100 V2 Super Overdrive costs $19.99 and Crystals Harmonizer® $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BST100 V2 Super Overdrive holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 17 and 20 respectively. Written reviews point the same way: 100% of BST100 V2 Super Overdrive's written reviews are positive against 92% of Crystals Harmonizer®'s.

BST100 V2 Super Overdrive ships an update every 7 months, Crystals Harmonizer® every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BST100 V2 Super Overdrive | Crystals Harmonizer® |
| --- | --- | --- |
| Price | $19.99 | **$14.99** |
| Rating | **[5.0 (17 ratings)](https://appshunter.io/ios/app/bst100-v2-super-overdrive/id1500565874/reviews)** | [4.6 (20 ratings)](https://appshunter.io/ios/app/crystals-harmonizer/id1504257443/reviews) |
| Number of ratings | 17 | **20** |
| Positive reviews | **100.0% of reviews** | 92.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 41 MB | 15 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [Eventide](https://appshunter.io/developer/546518026) |

## What reviewers say

### BST100 V2 Super Overdrive

[App page](https://appshunter.io/ios/app/bst100-v2-super-overdrive/id1500565874)

This app emulates a legendary high-gain guitar amplifier, offering versatile tone shaping for various music genres. It features two channels with virtual tubes for crystal clear, crunchy, or USA hi-gain sounds, and can be used as a standalone app or with other audio applications.

**Highlights:** High-gain guitar amplifier emulation, Two channels: Normal and Boost, Virtual 12AX7 tubes, Clean, Crunch, and USA Hi-Gain tones, Standalone app, AudioUnit v3, Inter-App Audio support

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is BST100 V2 Super Overdrive free?

BST100 V2 Super Overdrive costs $19.99, with no in-app purchases.

### Is Crystals Harmonizer® free?

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

### Which has better reviews, BST100 V2 Super Overdrive or Crystals Harmonizer®?

BST100 V2 Super Overdrive is rated higher. BST100 V2 Super Overdrive averages 5.0 out of 5 from 17 ratings, while Crystals Harmonizer® averages 4.6 from 20 ratings.

### Do BST100 V2 Super Overdrive or Crystals Harmonizer® have ads?

Neither BST100 V2 Super Overdrive nor Crystals Harmonizer® shows ads.

### Which is updated more often, BST100 V2 Super Overdrive or Crystals Harmonizer®?

BST100 V2 Super Overdrive ships an update every 7 months, and Crystals Harmonizer® every 3 months. Most recently, BST100 V2 Super Overdrive was updated on October 27, 2026 and Crystals Harmonizer® on October 24, 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.*