Sonic Coast vs 517Rocks!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonic Coast
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.
- Local Michigan artist amplification
- Diverse music selection
- Rock, folk, soul, and funk genres
- Unique sonic vibe
- Independent operation
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We are independently owned and operated. Our Sonic Coast vibe could best be described as a melting pot of music for Michiganders. We take great pride in the diversity of our sound, amplifying local Michigan artists, plus a mix of the roots: rock, folk, soul and funk. We hope you dig it as much as we do! Learn more at www.TheSonicCoast.com. Thanks for listening and enjoy the sonic experience!
517Rocks!
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.
- Classic rock from the 60s-90s
- Deep cuts and newer rock
- Michigan-based artists
- Curated music selection
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517Rocks plays classic rock from the 60's-90's as well as deep cuts and newer rock from Michigan-based artists.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Sonic Coast | 517Rocks! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (247 ratings) — better | 4.9 (18 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 247 — better | 18 |
| Update frequency | Every 4 months — better | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 24 MB | 22 MB |
| Age rating | 17+ | 12+ |
| Developer | Sonic Detroit LLC | Jerry Hayes |
Customer experience
Sonic Coast
517Rocks!
In-app purchases
Sonic Coast
No in-app purchases
517Rocks!
No in-app purchases
