Comparison

MXBus vs Feedback Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MXBus

This app empowers musicians to control their own monitor mixes directly from their iOS device when using Behringer X32/X-Air or Midas consoles. It offers features like stereo channels, namable groups, and automatic console discovery for a streamlined sound check and live performance adjustment.

Highlights
  • Monitor mix control for musicians
  • Supports Behringer X32/X-Air and Midas consoles
  • Stereo channels for screen real-estate
  • Namable groups and automatic console discovery
  • Control send levels for channels, aux tracks, and effects
  • Reorder channels within groups
  • Springboard and Lock Screen widgets
Features
Read full description

MXBus is a monitor mixing app for all Behringer X32 and X-Air mixing consoles that allows musicians on stage to control their own monitor mix with their iOS device. It also supports the Midas versions of these mixers (M32* and M-Air) It features stereo channels to save screen real-estate, namable groups and automatic console discovery. Musicians can control the send levels into their monitoring mix bus for all channels aux tracks and effects returns. You can even reorder the channels within your groups to your liking. It makes the sound check painless and allows you to adjust the mix during the gig. Some key differentiating Features: • Linked channels are treated as a stereo channel to save screen space.  • Double tapping a fader knob sets it 0. • Double tapping the panning control on a stereo channel pans the signal hard L/R. Another double tap reverses the panning. • NEW: Springboard and Lock Screen widgets for quicker access. And as always: The app is built with data privacy in mind - no adds, no tracking! The PRO pack unlocks even more features like: • Decayed meters with peak memory • Compression meters • Gate LEDs • Channel mute buttons (X32) • Group mute buttons (X32) • Unlimited groups • Scenes • Bus EQ • Bus Compressor

About

Feedback Trainer

Features
Read full description

A frequency ear training app for PA engineers and audio professionals. The ability to quickly identify problem frequencies that cause feedback is a skill built through experience. Train your ears with this app and sharpen your instincts for the stage and studio. Features Visual learning with a 31-band graphic EQ display Two modes: Phone-Friendly (100Hz–16kHz) and Full Range for external speakers (40Hz–16kHz) Hint mode for beginners Track your accuracy and progress history Available in Japanese, English, Chinese, French, and Spanish

Screenshots

MXBus4 screens
Feedback Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Feedback Trainer at none against MXBus's 1. Feedback Trainer also leads on update cadence (every 2 weeks vs monthly). MXBus's advantage is ads (none vs shown). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MXBus sells 1 one-off in-app purchase. Feedback Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

MXBus ships an update monthly, Feedback Trainer every 2 weeks. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
MXBus versus Feedback Trainer: the parameters behind the verdict, then further details
ParameterMXBusFeedback Trainer
PriceFreeFree
Rating4.2 (117 ratings) — better—
Positive reviews70.3% of reviews—
Number of ratings117 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.6
Further details — not scored
Size20 MB4 MB
Age rating4+4+
DeveloperAndreas KeldenichShunsuke Takasu

Bugs and requests

MXBus

Reported bugs

18 issues
  • Faders moving/sliding on their own without user input
  • App crashes when changing aux channels
  • Mute button switches to channel info screen
  • Scene saving not working properly (iOS 26)
  • Mix recall/fader recall feature broken after updates
Show 13 more
  • Glitchy fader behavior when locking/unlocking phone
  • Inverted fader behavior (turning down turns up)
  • Random channel muting/unmuting
  • Connection failures with error codes (Error 49, Error 65)
  • App not saving changes on iOS 26
  • Bus EQ affecting all buses instead of individual ones
  • Pan controls not functioning in Pro version
  • Bus labels showing blank on M32
  • Scenes not loading saved mix-bus selection
  • Network permission not requested on first launch (iPad)
  • App not recognizing mixer on certain network configurations
  • Compatibility issues with iOS 15.6.1 and iPadOS versions
  • Scenes lost after iOS/app upgrades

Requested features

15 requests
  • Panning control for individual channels
  • Support for Behringer Wing consoles
  • Individual group controls for sends
  • Main L/R mix access
  • FX send control from channels
Show 10 more
  • Compression and advanced EQ on channels
  • Mute status indicator from console
  • Custom channel ordering/arrangement
  • Demo mode for training
  • Android version of the app
  • Support for Allen & Heath SQ, QU, CQ boards
  • Support for Soundcraft Ui24r
  • Offline scene editing capability
  • More mute groups
  • Mackie DL version

Feedback Trainer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

MXBus

One-time1
  • MXBus PRO Package$2.99
None

Feedback Trainer

No in-app purchases

Questions

Is MXBus free?
MXBus is free to download, with in-app purchases available.
Is Feedback Trainer free?
Feedback Trainer is free to download, with no in-app purchases.
Do MXBus or Feedback Trainer have ads?
Feedback Trainer shows ads; MXBus does not.
Which is updated more often, MXBus or Feedback Trainer?
MXBus ships an update monthly, and Feedback Trainer every 2 weeks. Most recently, MXBus was updated on September 4, 2026 and Feedback Trainer on September 10, 2026.

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