Comparison

H9 Control vs Source Audio Neuro 3

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

Head to head
About

H9 Control

Control all your Eventide effects pedals remotely. Manage parameters, presets, and settings with an intuitive interface. Access over 500 presets for a wide range of sound-shaping effects.

Highlights
  • Remote control for Eventide pedals
  • Parameter management
  • Preset management
  • Access to over 500 presets
  • Intuitive user interface
Read full description

The H9 Control app provides remote control access of all Eventide effects pedals. With it you can manage parameters, presets and settings with an easy to use interface. Get instant access to over 500 presets that push the boundaries of delay, reverb, pitch-shifting, modulation, distortion and more.

About

Source Audio Neuro 3

Control and customize Source Audio's One Series guitar and bass effects pedals. Download thousands of presets, create your own unique sounds, and share them with a vibrant community of musicians. Seamlessly manage your pedal's effects from your mobile device or desktop.

Highlights
  • Download stage-ready presets
  • Create personalized effects sounds
  • Manage personal preset library
  • Share sounds with the community
  • Intuitive user interface
  • Cross-platform integration
Features
Read full description

Unlock the full potential of Source Audio's One Series line of guitar and bass effects pedals with Neuro 3. With over 10,000 presets crafted by both Source Audio and the Neuro Community, Neuro 3 empowers users to download stage-ready sounds directly to any One Series pedal. It also doubles as a potent effects editing tool, facilitating the creation of highly personalized sounds that can be loaded directly onto a pedal, stored in a personal preset library, or shared with the wider Neuro Community. Popular Neuro compatible One Series pedals include the Artifakt Lo-Fi Elements, Collider Delay+Reverb, C4 Synth, EQ2 Programmable Equalizer, and Ventris Dual Reverb. Neuro 3 is a top-to-bottom rewrite of the original Neuro app. It introduces a host of enhancements that include a sleek and intuitive user interface, streamlined preset downloading, advanced preset creation and management tools, and a seamless integration across mobile and desktop platforms. Additionally, it offers community-based features such as in-depth user profiles, public discussion forums accessible with every published preset, and the ability to Follow other Neuro Community members.

Screenshots

H9 Control4 screens
Source Audio Neuro 34 screens

Verdict

The call

The clearest difference is rating: Source Audio Neuro 3 at 4.4 against H9 Control's 3.9. Source Audio Neuro 3 also leads on in-app purchases (none vs 11) and update cadence (every 4 weeks vs every 2 months). H9 Control's advantage is review sentiment (53% vs 21%) and iOS requirement (9.3 vs 16.0). On price, ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. H9 Control sells 11 one-off in-app purchases. Source Audio Neuro 3 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Source Audio Neuro 3 holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 64 and 51 respectively. Written reviews complicate that: 53% of H9 Control's written reviews are positive against 21% of Source Audio Neuro 3's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

H9 Control ships an update every 2 months, Source Audio Neuro 3 every 4 weeks. The most recent releases landed on August 25, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
H9 Control versus Source Audio Neuro 3: the parameters behind the verdict, then further details
ParameterH9 ControlSource Audio Neuro 3
PriceFreeFree
Rating3.9 (64 ratings)4.4 (51 ratings) — better
Positive reviews53.2% of reviews — better21.4% of reviews
Number of ratings64 — better51
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS9.3 — better16.0
Further details — not scored
Size73 MB284 MB
Age rating4+4+
DeveloperEventideSource Audio

Customer experience

H9 Control

All ratings64 ratings
Positive68.8%
Neutral10.9%
Negative20.3%
Written reviews79 reviews
Positive53.2%
Neutral16.5%
Negative30.4%

Source Audio Neuro 3

All ratings51 ratings
Positive82.4%
Neutral9.8%
Negative7.8%
Written reviews98 reviews
Positive21.4%
Neutral10.2%
Negative68.4%

Bugs and requests

H9 Control

Not enough reviews yet to summarise bugs or requests.

Source Audio Neuro 3

Reported bugs

57 issues
  • Settings not reflected in EQ2
  • Won't connect to pedal even at max volume
  • No connection with iPhone 11
  • App kills battery and overheats phone
  • Latest update broke app on iPad, crashes on open
Show 52 more
  • App will not let user create an account
  • Bluetooth connectivity issues remain
  • Editing aspects don't work or barely work
  • Most level settings don't have a proper zero
  • App continues to be a bag of bugs
  • App freezes on sign-in screen
  • App crashes instantly after login
  • Update broke TRS functionality
  • App no longer connects to pedal
  • Nemesis Delay integration no longer works, cannot change parameters without PC
  • Cannot login after password update
  • App doesn't load on iMac
  • Cannot connect pedals to iPhone
  • App still says disconnected despite Bluetooth sync
  • TRS cable won't connect to Ventris with iPhone
  • Cannot preview community presets without loading them
  • C4 pedal not recognized by current app version
  • USB connection to Ventris is unreliable, repeatedly disconnects
  • Tiny grey lettering against grey background for knob labels
  • App no longer capable of sending effects
  • Desktop app crashes when trying to log in
  • Unable to create an account, throws an error
  • Cannot change presets with provided cable
  • App keeps crashing
  • Presets do not work
  • Real-time editing or choosing a preset on the pedal isn't possible for C4
  • iOS app crashes every time it's used
  • Cannot figure out if presets are being saved
  • Cannot modify preset names
  • App crashes before finding C4 support
  • App will not calibrate sound
  • Cannot browse or search the preset library, endlessly displays loading animation
  • App doesn't work on Apple tablet, requires individual USB connection
  • App would not connect after initial use
  • App interface is clunky and not properly developed
  • Presets don't work, makes weird sound and doesn't load
  • No success cycling through presets
  • Cannot connect with the app
  • Error message about not being able to find a host name when creating an account
  • Desktop version tells user to use mobile version to create account
  • Half the time community presets won't load
  • Desktop app sometimes won't let you preview presets
  • Cannot edit preset names on phone
  • Headphone volume needs to be MAX for connection
  • Login requirement is extremely annoying
  • UI is really bad, BPM text entry doesn't save
  • Cannot enter hardware settings with updated app
  • Forgot password doesn't send reset email
  • Cannot make any changes to pedals with the app
  • No problems with iPad 2
  • LED is always red since latest firmware update
  • Internet connection error despite Wi-Fi

Requested features

19 requests
  • Tutorials for guitar players on programming synthesizers
  • Optimization improvements for the app
  • More intuitive GUI
  • Restore horizontal sliders and full 8-bit resolution
  • Add USB connection option
Show 14 more
  • Improve UI for easier parameter adjustment
  • Add +/- buttons for fine-tuning parameters
  • Allow for arbitrary setting of increment/decrement values for buttons
  • Enable continuous change with long-press on buttons
  • Implement gesture-based control similar to video playback
  • Allow users to rename presets
  • Add ADSR controls for synths
  • Make password reset automated
  • Update online tutorials to match current interface
  • Develop an iPad-specific app with desktop-like functionality
  • Improve reliability of USB connectivity
  • Make app usable without internet connection for library access
  • Allow knob adjustments on the pedal to reflect in the app
  • Fix bug where negative numbers cannot be input on iPhone

In-app purchases

11 purchases

H9 Control

One-time11
  • BlackHole$19.99
  • Diatonic$19.99
  • Digital Delay$19.99
Show 8 more
  • ModEchoVerb$19.99
  • Phaser$19.99
  • Q-Wah$19.99
  • Rotary$19.99
  • Resonator$19.99
  • EQ Compressor$19.99
  • SpaceTime$19.99
  • Flanger$19.99
None

Source Audio Neuro 3

No in-app purchases

Questions

Is H9 Control free?
H9 Control is free to download, with in-app purchases available.
Is Source Audio Neuro 3 free?
Source Audio Neuro 3 is free to download, with no in-app purchases.
Which has better reviews, H9 Control or Source Audio Neuro 3?
Source Audio Neuro 3 is rated higher. H9 Control averages 3.9 out of 5 from 64 ratings, while Source Audio Neuro 3 averages 4.4 from 51 ratings.
Do H9 Control or Source Audio Neuro 3 have ads?
Neither H9 Control nor Source Audio Neuro 3 shows ads.
Which is updated more often, H9 Control or Source Audio Neuro 3?
H9 Control ships an update every 2 months, and Source Audio Neuro 3 every 4 weeks. Most recently, H9 Control was updated on August 25, 2026 and Source Audio Neuro 3 on September 23, 2026.

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