# Crystal FX (crystalfocus) vs Astromech Vocalizer

Crystal FX (crystalfocus) and Astromech Vocalizer both sit at 4.3 stars, but that hides the real split: 73% of Crystal FX (crystalfocus)'s written reviews are positive against 0% of Astromech Vocalizer's. Crystal FX (crystalfocus) also leads on update cadence (monthly vs every 9 months). Astromech Vocalizer's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 14.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Crystal FX (crystalfocus) sells 1 one-off in-app purchase. Astromech Vocalizer asks for nothing beyond the download.

Astromech Vocalizer holds the better App Store score, 4.4 against 4.3. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews complicate that: 73% of Crystal FX (crystalfocus)'s written reviews are positive against 0% of Astromech Vocalizer's, so the app with the better star average is not the one people write more warmly about.

Crystal FX (crystalfocus) ships an update monthly, Astromech Vocalizer every 9 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Crystal FX (crystalfocus) | Astromech Vocalizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/crystal-fx-crystalfocus/id1558308960/reviews) | **[4.4 (12 ratings)](https://appshunter.io/ios/app/astromech-vocalizer/id1586557459/reviews)** |
| Number of ratings | **19** | 12 |
| Positive reviews | **72.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free | Free |
| Size | 64 MB | 171 MB |
| Requires iOS | 14.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tristan Kam](https://appshunter.io/developer/1558308962) | [Michael Perl](https://appshunter.io/developer/1579187622) |

## What reviewers say

### Crystal FX (crystalfocus)

[App page](https://appshunter.io/ios/app/crystal-fx-crystalfocus/id1558308960)

This app allows for deep customization of Bluetooth-enabled lightsabers. Users can change blade styles, colors, and sounds in real-time. It also enables easy sharing of custom designs between sabers and offers full control over all saber parameters.

**Highlights:** Blade style and color customization, Real-time soundfont management, Effortless blade style sharing via Bluetooth, Full parameter editing, Real-time visual preview, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crystal FX Master level access | $6.99 | one-time |


### Astromech Vocalizer

[App page](https://appshunter.io/ios/app/astromech-vocalizer/id1586557459)

Create unique astromech droid sounds with advanced AI. Customize grammar, vocabulary, pitch, and emotions to generate original vocalizations. Manually script sounds or let the AI guide you for a personalized droid voice.

**Highlights:** AI-powered astromech vocalizations, Customizable grammar and vocabulary, Adjustable pitch and emotional nature, Unique sound generation algorithm, Manual scripting with AI guidance, Save and recall custom vocalizations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crystal FX (crystalfocus) free?

Crystal FX (crystalfocus) is free to download, with in-app purchases available.

### Is Astromech Vocalizer free?

Astromech Vocalizer is free to download, with no in-app purchases.

### Which has better reviews, Crystal FX (crystalfocus) or Astromech Vocalizer?

Astromech Vocalizer is rated higher. Crystal FX (crystalfocus) averages 4.3 out of 5 from 19 ratings, while Astromech Vocalizer averages 4.4 from 12 ratings.

### Do Crystal FX (crystalfocus) or Astromech Vocalizer have ads?

Neither Crystal FX (crystalfocus) nor Astromech Vocalizer shows ads.

### Which is updated more often, Crystal FX (crystalfocus) or Astromech Vocalizer?

Crystal FX (crystalfocus) ships an update monthly, and Astromech Vocalizer every 9 months. Most recently, Crystal FX (crystalfocus) was updated on October 24, 2026 and Astromech Vocalizer on October 27, 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.*