# Astromech Vocalizer vs BTTF Clock

The clearest difference is review sentiment: BTTF Clock at 84% against Astromech Vocalizer's 0%. BTTF Clock also leads on update cadence (every 6 weeks vs every 9 months) and rating (4.6 vs 4.3). Astromech Vocalizer's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BTTF Clock holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 10 and 31 respectively. Written reviews point the same way: 0% of Astromech Vocalizer's written reviews are positive against 84% of BTTF Clock's.

Astromech Vocalizer ships an update every 9 months, BTTF Clock every 6 weeks. The most recent releases landed on September 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Astromech Vocalizer | BTTF Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/astromech-vocalizer/id1586557459/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/bttf-clock/id6740161583/reviews)** |
| Number of ratings | 10 | **31** |
| Positive reviews | 0.0% of reviews | **84.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 171 MB | 75 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Perl](https://appshunter.io/developer/1579187622) | [Sergei Bazarnik](https://appshunter.io/developer/1722100966) |

## What reviewers say

### 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


### BTTF Clock

[App page](https://appshunter.io/ios/app/bttf-clock/id6740161583)

Experience the magic of time travel with a digital recreation of the iconic DeLorean dashboard. This app features customizable date panels, real-time clock updates, and authentic sound effects from the "Back to the Future" trilogy. It's designed to run smoothly on older devices, bringing cinematic nostalgia to your phone or tablet.

**Highlights:** Iconic time display panels, Customizable destination, present, and last departed times, Real-time accurate clock, Interactive interface for date changes, Authentic movie sound effects, Optimized for older devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Astromech Vocalizer free?

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

### Is BTTF Clock free?

BTTF Clock is free to download, with no in-app purchases.

### Which has better reviews, Astromech Vocalizer or BTTF Clock?

BTTF Clock is rated higher. Astromech Vocalizer averages 4.3 out of 5 from 10 ratings, while BTTF Clock averages 4.6 from 31 ratings.

### Do Astromech Vocalizer or BTTF Clock have ads?

Neither Astromech Vocalizer nor BTTF Clock shows ads.

### Which is updated more often, Astromech Vocalizer or BTTF Clock?

Astromech Vocalizer ships an update every 9 months, and BTTF Clock every 6 weeks. Most recently, Astromech Vocalizer was updated on September 20, 2026 and BTTF Clock on October 13, 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.*