Sub FM vs FlexFM Radio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sub FM
Stream live electronic music, including Dubstep and Future Garage, from a long-standing online radio station. Engage with the community through forums and chatrooms, and enjoy features like auto-play and robust connections.
- Live streaming radio
- Dubstep and Future Garage focus
- Auto Play
- Connection Robustness
- Community Forum
- Chatroom access
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Broadcasting for 7 years and counting -- AND now we're on the iPhone. Now you can listen to Sub FM wherever you go. And of course, the Sub FM iPhone app comes with all the features you'd expect from a Code Army app such as Auto Play and Connection Robustness. Send your Feedback via Twitter: @codearmy and shout outs to @subfm Please Tune-In and get involved in the community by joining the Forum and logging in the Chatroom. With more LIVE Dubstep and Future Garage than any other station, Sub FM is Where Bass Matters!!!
FlexFM Radio
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Flex FM is a radio station. The app lets you contact the studio listen live and we even have a playback feature and an offense page.
Screenshots
Verdict
The clearest difference is iOS requirement: Sub FM at 8.0 against FlexFM Radio's 15.1. On price, update cadence, ads and in-app purchases 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.
Sub FM ships an update every 6 months, FlexFM Radio every 5 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Sub FM | FlexFM Radio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 34 MB |
| Age rating | 12+ | 4+ |
| Developer | Phil Greenway | carl shepherd |
In-app purchases
Sub FM
No in-app purchases
FlexFM Radio
No in-app purchases
