Jazz91 KCSM vs BFF.fm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jazz91 KCSM
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.
- 24/7 jazz broadcasts
- Commercial-free listening
- Diverse jazz genres
- High-quality streaming
- Veteran announcer handpicked music
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KCSM-FM Jazz 91.1 - “The San Francisco Bay Area’s Jazz Station” Bop, Cool, Latin, Mainstream, Blues, Swing, Traditional, World and beyond. Handpicked by veteran announcers from the largest Jazz Radio library in the USA 24 /7/365. Broadcast from the College of San Mateo campus in the San Francisco Bay Area. Featuring our mobile device friendly HE-AACv2 stream for excellent sound quality! Real jazz, all the time and commercial free too!
BFF.fm
Stream live community radio and explore a diverse range of music genres from garage to hip-hop. Access a library of podcasts, read blog posts, and even send voice messages to get on the air.
- Live radio streaming
- Podcast library access
- Pause and rewind live stream
- Blog post updates
- In-app voice mail submission
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Best Frequencies Forever is a community radio station, broadcasting from the heart of San Francisco. BFF.fm brings you diverse, authentic voices and sounds — everything from garage to hip-hop, electronic to soft rock, experimental and beyond. We'll connect you to new underground artists in the magical way only live radio can. Tune in and discover something new! App Features: • Listen to BFF.fm radio live and browse our archives wherever you are • Pause and rewind the live stream • Access all of your favorite podcasts from the BFF.fm Podcast Network • Read the latest posts from the BFF.fm blog • Send us a voice mail from the app and get on the air! The BFF.fm app is brought to you by BFF.fm and Public Media Apps: https://bff.fm/ http://www.publicmediaapps.com
Screenshots
Verdict
The clearest difference is review sentiment: BFF.fm at 86% against Jazz91 KCSM's 43%. BFF.fm also leads on rating (4.9 vs 3.5) and ads (none vs shown). On price, ratings volume, in-app purchases and device support 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.
BFF.fm holds the better App Store score, 4.9 against 3.5. Both are backed by a comparable volume of ratings — 67 and 57 respectively. Written reviews point the same way: 43% of Jazz91 KCSM's written reviews are positive against 86% of BFF.fm's.
Jazz91 KCSM ships an update every 6 months, BFF.fm every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Jazz91 KCSM | BFF.fm |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (67 ratings) | 4.9 (57 ratings) — better |
| Positive reviews | 42.6% of reviews | 85.7% of reviews — better |
| Number of ratings | 67 — better | 57 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 14.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | KCSM | Best Frequencies, Inc. |
Customer experience
Jazz91 KCSM
BFF.fm
Bugs and requests
Jazz91 KCSM
Reported bugs
33 issues- 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)
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- Shuts off every time the phone locks or the app is minimized
- Ads pop-up almost constantly and stop the music
- App stops playing when screen is dark or app is minimized
- Live stream kept dropping
- Disconnects frequently
- App crashes
- Play/pause button within the app does not work
- App somehow continues playing through phone's speakers after closing and disconnecting Bluetooth
- App keeps crashing on iPad 2
- Sleep timer's CANCEL button doesn't do anything
- Alarm clock doesn't work if device is put to sleep
- Share button for Facebook didn't work
- App refuses to respond to slide up play button
- Regularly stops streaming at intervals
- App doesn't show on App Store search
- Latest version is buggier
- Cannot open menu or select i icon when streaming
- No in-app volume control
- When phone locks, black screen with volume control, no visual indication of KCSM
- App doesn't work since iOS8 update
- App prevented iPad 1 users from listening
- No volume control
- No playlist
- Latest version of the app is still ugly
- App doesn't work with AirPlay
- App won't play on speakers anymore, only on phone
- Pause button switches back to Play a few seconds later
- App doesn't switch to digital out when headphone amp/dac is plugged in
Requested features
14 requests- Put AirPlay control back
- Improve sleep timer
- Make Mac version a full app
- Add year of track release
- Click through to album notes/Amazon
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- Dark mode option
- Change background image/font color
- Link to buy songs/albums
- Clarify red bar under song
- Put ads towards the bottom
- Add a sleep mode
- Support for retina display
- Remove or change bottom buttons
- Stop the slideshow
BFF.fm
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Jazz91 KCSM
No in-app purchases
BFF.fm
No in-app purchases
