dspMixFx vs TB GonioMeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dspMixFx
This app provides latency-free monitoring and control of DSP features for compatible Yamaha audio interfaces on iOS devices. It enables access to effects like REV-X reverb and Guitar Amp Classics, enhancing your audio production workflow.
- Control DSP mixer and effects
- Latency-free monitoring
- REV-X reverb
- Sweet Spot Morphing Channel Strip
- Guitar Amp Classics
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Together with the UR-RT2, UR-RT4, UR242, UR44, UR28M and UR824 audio interfaces, the dspMixFx app allows you to utilize the benefits of Yamaha’s custom-designed SSP2 DSP chip directly on your iPad and iPhone. The dspMixFx app is free of charge, providing latency-free monitoring while running the highly acclaimed REV-X reverb, the Sweet Spot Morphing Channel Strip and Guitar Amp Classics with other iOS audio apps. Please note that this app is only a control application for Steinberg’s USB audio interfaces UR-RT2, UR-RT4, UR242, UR44, UR28M and UR824. Without a UR interface it can be used in demo mode only. Find more information about the UR audio interfaces at: http://www.steinberg.net/en/products/audio_interfaces/ur_series Find more information about the UR-RT audio interfaces at: http://www.steinberg.net/en/products/audio_interfaces/ur-rt_series Make sure to download and install the firmware update version 2.10 first for UR44, UR28M and UR824 to enable the UR interface to run together with the dspMixFx app. You can find the firmware update at: http://www.steinberg.net/en/support/downloads Key features • Control of all DSP features like DSP mixer and DSP effects • No-latency DSP-powered monitoring with the iPad and iPhone • Works with UR-RT2, UR-RT4, UR242, UR44, UR28M and UR824* * Units need to be switched to class compliant mode to run with the iPad via the iPad Camera Connection Kit, the Lightning to USB Camera Adapter or the Lightning to USB 3 Camera Adapter. In CC mode Loopback capability is disabled and only the analog inputs and outputs are available on UR28M and UR824.
TB GonioMeter
Analyze stereo image imbalances and frequency correlations in real-time. Ensure your audio content is high quality and compatible with mono down-mixes, crucial for mobile entertainment. This tool offers detailed waveform inspection and balance spectrum analysis.
- Real-time goniometer for stereo image waveforms
- Real-time correlation meter and spectrum
- Real-time stereo balance and spectrum meter
- Color themes for UI
- Mono down-mix compatibility check
- Optimized for iPad, compatible with iPhone/iPod Touch
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ToneBoosters GonioMeter is a one-stop stereo image analysis AUv3 plug-in. Easily identify stereo image imbalance or frequency ranges with negative correlation. Ensure that the content you create is of high quality and mono down-mix compatible, an essential requirement for mobile entertainment! The ToneBoosters GonioMeter stand-alone app captures the microphone input and processes the signals in real time. Since most iOS devices only have mono microphone capabilities, we strongly suggest to use the integrated AUv3 plug-in (app extension) version instead. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters GonioMeter will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Real-time goniometer to inspect stereo image waveforms - Real-time correlation meter and correlation spectrum meter - Real-time stereo balance an stereo balance spectrum meter - Color themes for the user interface - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
Screenshots
Verdict
The clearest difference is review sentiment: TB GonioMeter at 100% against dspMixFx's 27%. TB GonioMeter also leads on rating (4.6 vs 3.7) and update cadence (every 2 months vs every 11 months). dspMixFx's advantage is iOS requirement (9.0 vs 13.0). On price, ratings volume, 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.
TB GonioMeter holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 9 and 23 respectively. Written reviews point the same way: 27% of dspMixFx's written reviews are positive against 100% of TB GonioMeter's.
dspMixFx ships an update every 11 months, TB GonioMeter every 2 months. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.
| Parameter | dspMixFx | TB GonioMeter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (9 ratings) | 4.6 (23 ratings) — better |
| Positive reviews | 26.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 23 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 53 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Steinberg Media Technologies GmbH | ToneBoosters |
Customer experience
dspMixFx
TB GonioMeter
In-app purchases
dspMixFx
No in-app purchases
TB GonioMeter
No in-app purchases








