GZDSP 4 vs infrared.fm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GZDSP 4
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This app enables you to control and to adjust the setup of the GROUND ZERO GZDSP 4-8X and GZDSP 4-8XII signal processor when connected to the GROUND ZERO GZDSP BT-STICK or GZDSP BTS 4-8XII streaming device. A detailed user manual can be downloaded from the GROUND ZERO web page: https://ground-zero-audio.com/ The factory set password for "Advanced Settings" is 666666 You may change the password any time Requirements for using the app: Installed and powered signal processor unit GROUND ZERO GZDSP 4-8X or XII with connected GROUND ZERO GZDSP BT-STICK or GZDSP BTS 4-8XII streaming interface. Established wireless connection between your iOS mobile device and the GZDSP BT-STICK or GZDSP BTS 4-8XII (check the devices´s owner´s manual for further information about creating a wireless connection). After adding the app to your iOS device and having connected the GZDSP BT-STICK or GZDSP 4-8XII in wireless mode, you´ll be able to control the main features of the GZDSP 4-8X or XII - Adjust the main volume - Mute/unmute the main volume - Select a preset (out of the 6 presets from the device´s memory) Furthermore, you will have access to the advanced settings of the GZDSP 4-8X signal processor: (factory set password 666666) - Input and output selection and mixer - High pass and low pass crossover setting - Channel link configuration - Channel phase control - 10-band parametric equalizer adjustment - Time alignment setup in ms/cm/inches - Reset function - Save and load presets to/from the device´s memory
infrared.fm
Listen to underground drum & bass, jungle, hardcore, and breaks music. This radio player offers a curated selection of electronic music for enthusiasts.
- Drum & Bass streaming
- Jungle music
- Hardcore radio
- Breaks music
- Underground electronic music
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infrared.fm - bringing you the best in drum & bass, jungle, hardcore and breaks - underground music for the people
Screenshots
Verdict
The clearest difference is update cadence: GZDSP 4 at every 3 weeks against infrared.fm's every 9 months. GZDSP 4 also leads on iOS requirement (8.0 vs 18.0). On price, ads, 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.
GZDSP 4 ships an update every 3 weeks, infrared.fm every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | GZDSP 4 | infrared.fm |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 48 MB | 32 MB |
| Age rating | 4+ | 12+ |
| Developer | Ground Zero GmbH | Daniel Burton |
In-app purchases
GZDSP 4
No in-app purchases
infrared.fm
No in-app purchases









