# Jazz91 KCSM vs Groupmuse

The clearest difference is rating: Groupmuse at 4.4 against Jazz91 KCSM's 3.5. Groupmuse also leads on ads (none vs shown) and review sentiment (56% vs 43%). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Groupmuse holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 67 and 25 respectively. Written reviews point the same way: 43% of Jazz91 KCSM's written reviews are positive against 56% of Groupmuse's.

Jazz91 KCSM ships an update every 6 months, Groupmuse every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Jazz91 KCSM | Groupmuse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (67 ratings)](https://appshunter.io/ios/app/jazz91-kcsm-fm/id430837955/reviews) | **[4.4 (25 ratings)](https://appshunter.io/ios/app/groupmuse/id942675649/reviews)** |
| Number of ratings | **67** | 25 |
| Positive reviews | 42.6% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 15 MB |
| Requires iOS | 18.2 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [KCSM](https://appshunter.io/developer/430837958) | [Groupmuse](https://appshunter.io/developer/942675648) |

## What reviewers say

### Jazz91 KCSM

[App page](https://appshunter.io/ios/app/jazz91-kcsm-fm/id430837955)

Listen to a diverse range of jazz music, including Bop, Cool, Latin, and Blues, 24/7. Enjoy commercial-free broadcasts from the San Francisco Bay Area with excellent sound quality.

**Highlights:** 24/7 jazz broadcasts, Commercial-free listening, Diverse jazz genres, High-quality streaming, Veteran announcer handpicked music

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎶 Great music selection
- 🎧 Good sound quality
- 📱 Track ID on lock screen
- 👍 Better than other platforms
- 🌟 Supports public radio

**What reviewers complain about**

- ❌ AirPlay not working
- 📺 Intrusive ads
- 🐛 Buggy and inconsistent performance
- 🚫 App doesn't work (blank screen)
- 📉 Stops when phone locks/app minimized

**Reported bugs**

- Doesn't AirPlay anymore
- Sleep timer needs work
- Drops signal completely at random
- Simply doesn't work
- App doesn't work (blank screen and silence)

**Requested features**

- Put AirPlay control back
- Improve sleep timer
- Make Mac version a full app
- Add year of track release
- Click through to album notes/Amazon


### Groupmuse

[App page](https://appshunter.io/ios/app/groupmuse/id942675649)

Discover and attend intimate live music performances hosted in homes by professional musicians. The app simplifies finding local concerts and organizing your own house shows, bringing music back to its roots.

**Highlights:** Discover local house concerts, Organize your own concerts, Find professional musicians, Intimate live music experiences, Global concert listings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jazz91 KCSM free?

Jazz91 KCSM is free to download, with no in-app purchases.

### Is Groupmuse free?

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

### Which has better reviews, Jazz91 KCSM or Groupmuse?

Groupmuse is rated higher. Jazz91 KCSM averages 3.5 out of 5 from 67 ratings, while Groupmuse averages 4.4 from 25 ratings.

### Do Jazz91 KCSM or Groupmuse have ads?

Jazz91 KCSM shows ads; Groupmuse does not.

### Which is updated more often, Jazz91 KCSM or Groupmuse?

Jazz91 KCSM ships an update every 6 months, and Groupmuse every 3 months. Most recently, Jazz91 KCSM was updated on November 1, 2026 and Groupmuse on November 1, 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.*