# Sonic Coast vs 517Rocks!

The clearest difference is ratings volume: Sonic Coast at 247 against 517Rocks!'s 18. Sonic Coast also leads on update cadence (every 4 months vs every 9 months) and iOS requirement (13.0 vs 16.0). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Sonic Coast against 4.9 for 517Rocks!. That said, the two scores are not equally well evidenced: Sonic Coast has 247 ratings behind it against 18, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Sonic Coast ships an update every 4 months, 517Rocks! every 9 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sonic Coast | 517Rocks! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (247 ratings)](https://appshunter.io/ios/app/sonic-coast/id6451238971/reviews)** | [4.9 (18 ratings)](https://appshunter.io/ios/app/517rocks/id6478500785/reviews) |
| Number of ratings | **247** | 18 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 24 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Sonic Detroit LLC](https://appshunter.io/developer/1697277120) | [Jerry Hayes](https://appshunter.io/developer/1733035863) |

## What reviewers say

### Sonic Coast

[App page](https://appshunter.io/ios/app/sonic-coast/id6451238971)

This app offers a diverse music experience with a focus on local Michigan artists and a blend of rock, folk, soul, and funk. It provides a unique sonic vibe for listeners who appreciate a wide range of musical genres.

**Highlights:** Local Michigan artist amplification, Diverse music selection, Rock, folk, soul, and funk genres, Unique sonic vibe, Independent operation

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

**In-app purchases:** none


### 517Rocks!

[App page](https://appshunter.io/ios/app/517rocks/id6478500785)

This app streams classic rock from the 60s to the 90s, featuring deep cuts and newer rock from Michigan artists. Enjoy a curated selection of rock music, including local talent.

**Highlights:** Classic rock from the 60s-90s, Deep cuts and newer rock, Michigan-based artists, Curated music selection

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sonic Coast free?

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

### Is 517Rocks! free?

517Rocks! is free to download, with no in-app purchases.

### Which has better reviews, Sonic Coast or 517Rocks!?

Sonic Coast is rated higher. Sonic Coast averages 4.9 out of 5 from 247 ratings, while 517Rocks! averages 4.9 from 18 ratings.

### Do Sonic Coast or 517Rocks! have ads?

Both Sonic Coast and 517Rocks! show ads.

### Which is updated more often, Sonic Coast or 517Rocks!?

Sonic Coast ships an update every 4 months, and 517Rocks! every 9 months. Most recently, Sonic Coast was updated on October 27, 2026 and 517Rocks! on October 30, 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.*