# caradio vs TetraClock

The clearest difference is rating: TetraClock at 3.7 against caradio's 1.0. TetraClock also leads on update cadence (every 2 days vs every 3 months) and ratings volume (3 vs 1). caradio's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

TetraClock holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

caradio ships an update every 3 months, TetraClock every 2 days. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | caradio | TetraClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/caradio/id472936262/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 26 MB | 6 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soundmax Electronics Limited](https://appshunter.io/developer/463108056) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### caradio

[App page](https://appshunter.io/ios/app/caradio/id472936262)

Control your car's radio and music from your iPhone with an intuitive interface designed for driving. Features hands-free operation, real-time speed camera alerts, and custom speed limit alarms for safer journeys.

**Highlights:** 2-way wireless radio control, iPhone music playback, Hands-free operation, Maps and navigation, Real-time speed camera alerts, Speed limit alarms, Easier sound settings

**Features:** macOS Compatibility

**In-app purchases:** none


### TetraClock

[App page](https://appshunter.io/ios/app/tetraclock-falling-block/id6504890211)

This clock app uses falling tetromino blocks to display the time. Customize colors, animations, and display formats. Note that the displayed time may have slight discrepancies due to animation effects.

**Highlights:** Tetromino block time display, Customizable colors and animations, 12/24-hour format, Seconds display toggle, Adjustable falling speed, Background color options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is caradio free?

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

### Is TetraClock free?

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

### Which has better reviews, caradio or TetraClock?

TetraClock is rated higher. caradio averages 1.0 out of 5 from 1 ratings, while TetraClock averages 3.7 from 3 ratings.

### Do caradio or TetraClock have ads?

TetraClock shows ads; caradio does not.

### Which is updated more often, caradio or TetraClock?

caradio ships an update every 3 months, and TetraClock every 2 days. Most recently, caradio was updated on October 23, 2026 and TetraClock on October 22, 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.*