Viper Rocks vs KZZK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Viper Rocks
Listen to a rock-formatted FM radio station broadcasting from Missouri. This app provides live streaming of "Everything That Rocks!" for listeners in the Lincoln, Warren, Montgomery, Pike, St. Charles, and St. Louis County areas.
- Live radio streaming
- Rock music format
- Local Missouri broadcast
- Serves multiple counties
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100.7 The Viper, Everything That Rocks! The Viper is Billboard reporting FM radio stations broadcasting “Rock” . Station is licensed to Troy, Missouri & Warrenton, Missouri. “KFNS serves the Lincoln, Warren, Montgomery, Pike, St. Charles & St. Louis County areas. Our station is owned and operated by Viper Broadcasting, LLC & Kaspar Broadcasting Company of Missouri.
KZZK
Listen to Quincy's classic rock station live, featuring the Bob & Tom Morning Show. This regional radio app broadcasts from New London, Missouri, and is owned by STARadio Corporation.
- Live radio streaming
- Classic rock music
- Morning show broadcasts
- Regional station
- Owned by STARadio Corporation
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105.9 The Grizz is Quincy's Rock Station, featuring the Bob & Tom Morning Show KZZK is a regional classic rock radio station in the Quincy, Illinois Region owned by STARadio Corporation. KZZK city of licensee is located in New London, Missouri.
Screenshots
Verdict
The clearest difference is rating: KZZK at 5.0 against Viper Rocks's 4.6. KZZK also leads on iOS requirement (15.0 vs 18.2). On price, ratings volume, update cadence 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.
KZZK holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively.
Viper Rocks ships an update every 19 months, KZZK every 15 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.
| Parameter | Viper Rocks | KZZK |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 19 months | Every 15 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Viper Broadcasting LLC | Staradio Corp |
Customer experience
Viper Rocks
KZZK
In-app purchases
Viper Rocks
No in-app purchases
KZZK
No in-app purchases
