XRAY.FM vs KALX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
XRAY.FM
Listen to live radio with DVR-like controls, browse program schedules, and access on-demand content. Save favorite programs, share stories, and use the alarm clock to wake up to your preferred station.
- Live streaming with DVR controls
- Program schedule viewing
- On-demand content access
- Bookmark programs for later
- Share stories and programs
- Sleep timer and alarm clock
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Description XRAY FM App: The XRAY FM App allows you to listen to XRAY FM, pause and rewind the live audio, and view the program schedule for XRAY FM all at once! You can explore news stories, On Demand content, bookmark a program for later, and wake up to XRAY FM with the alarm clock! Live Streaming • DVR-like controls (pause, rewind, and fast forward). You can pause the live stream to have a conversation and pick up right where you left off! Or rewind to catch a comment you just missed! • Listen to the live stream from XRAY FM even while traveling! • Integrated program schedules for the XRAY FM stream! • Listen to XRAY FM in the background while browsing the web or catching up on your emails! Radio Bookmarks • Save what you were listening to (Live or On Demand) so you can replay, follow-up, or share it later by simply clicking “Bookmark”. Additional features • Easily share stories and programs with family and friends via the “Share” button. • A built in Sleep Timer and Alarm Clock allows you to go to sleep and wake up to your favorite station. The XRAY FM App is brought to you by the people at XRAY FM and Public Media Apps. We work to provide our valued listeners with great solutions to find what you want, when you want it, and where you want it. Please support XRAY FM by making your donation today! http://www.xray.fm http://www.publicmediaapps.com
KALX
Listen to UC Berkeley's student and community radio station live from your device. Stream broadcasts from 90.7 FM and the web, bringing campus radio wherever you go.
- Live radio streaming
- Access to 90.7 FM broadcast
- Web stream access
- UC Berkeley student radio
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The KALX Radio app allows you to listen to KALX-FM, pause and rewind the live audio, catch up on the news from KALX, send in your audio or video comments, view the playlists and view the program schedules all at once! You can also wake up to KALX with the alarm clock! Live Streaming • DVR-like controls (pause, rewind, and fast forward). You can pause the live stream to have a conversation and pick up right where you left off. Or rewind to catch a comment you just missed. • Listen to KALX-FM even while traveling. • Integrated program schedules. • Listen to KALX-FM in the background while browsing the web or catching up on your emails. Program Archives • Access the archived shows easily and quickly. • DVR-like controls. Pause, rewind and fast-forward your show with ease. Additional Features • Support KALX Radio by donating through the app. • View the recently played songs. • Record and send your audio and video comments to KALX Radio. • Easily share KALX Radio with family and friends. • A built in Sleep Timer and Alarm Clock allows you to go to sleep and wake up to the KALX-FM live stream. The KALX Radio app is brought to you by the people at KALX and Public Media Apps. We work to provide our valued listeners with great solutions to find what you want, when you want it, and where you want it. Please support KALX today! https://kalx.berkeley.edu/ https://www.publicmediaapps.com
Screenshots
Verdict
The clearest difference is rating: XRAY.FM at 4.9 against KALX's 4.2. XRAY.FM also leads on review sentiment (100% vs 75%) and ratings volume (81 vs 9). On price, ads, in-app purchases and monetization model 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.
XRAY.FM holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: XRAY.FM has 81 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of XRAY.FM's written reviews are positive against 75% of KALX's.
XRAY.FM ships an update every 5 months, KALX every 10 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | XRAY.FM | KALX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (81 ratings) — better | 4.2 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 81 — better | 9 |
| Update frequency | Every 5 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 41 MB | 46 MB |
| Age rating | 17+ | 17+ |
| Developer | XRAY | University of California, Berkeley |
Customer experience
XRAY.FM
KALX
In-app purchases
XRAY.FM
No in-app purchases
KALX
No in-app purchases
