# Classic Radio vs BTTF Clock

The clearest difference is update cadence: BTTF Clock at every 5 weeks against Classic Radio's every 43 months. Classic Radio's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Classic Radio ships an update every 43 months, BTTF Clock every 5 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Classic Radio | BTTF Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (31 ratings)](https://appshunter.io/ios/app/bttf-clock/id6740161583/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 84.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 89 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [salvatore zago](https://appshunter.io/developer/1566578319) | [Sergei Bazarnik](https://appshunter.io/developer/1722100966) |

## What reviewers say

### Classic Radio

[App page](https://appshunter.io/ios/app/classic-radio/id1566578317)

**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, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Classic Radio free?

Classic Radio is free to download, with no in-app purchases.

### Is BTTF Clock free?

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

### Do Classic Radio or BTTF Clock have ads?

Neither Classic Radio nor BTTF Clock shows ads.

### Which is updated more often, Classic Radio or BTTF Clock?

Classic Radio ships an update every 43 months, and BTTF Clock every 5 weeks. Most recently, Classic Radio was updated on October 15, 2026 and BTTF Clock on October 25, 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.*