Comparison

Source Audio Neuro 3 vs BOSS Effect Loader

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

Head to head
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.

About

BOSS Effect Loader

This application allows users to load effects into the PX-1 Plugout FX device. It offers a selection of free effects and the option to purchase additional model passes within the app. An internet connection and Roland Account are required for full functionality.

Highlights
  • Load effects into PX-1 Plugout FX
  • 16 free effect models included
  • Purchase additional model passes
  • Bluetooth or USB connection
  • Requires Roland Account
Features
Read full description

● BOSS EFFECT LOADER is an app for loading effects into the PX-1 Plugout FX. * Need an internet connection and a registered Roland Account are required to use the BOSS EFFECT LOADER. ● The following 16 models are available for free use: OD-1/SP-1/PH-1/SG-/CS-1/TW-1/SD-1/DS-1/CE-2/OC-2/BF-2/PN-2/DD-2/DF-2 ● Additional Model Passes can be purchased within the app. ● Connect the BOSS PX-1 Plugout FX and your iPhone/iPad via Bluetooth® (*1) or USB cable (*2) to use this app. *1 Set up the Bluetooth connection in the Connection Window displayed after the app is launched. *2 When connecting to an iPhone/iPad equipped with a USB Lightning port, you will need Apple's genuine “Lightning to USB 3 Camera Adapter.”

Screenshots

Source Audio Neuro 34 screens
BOSS Effect Loader2 screens

Verdict

The call

The clearest difference is rating: Source Audio Neuro 3 at 4.4 against BOSS Effect Loader's 3.5. Source Audio Neuro 3 also leads on in-app purchases (none vs 8) and update cadence (every 4 weeks vs every 5 months). BOSS Effect Loader's advantage is review sentiment (42% vs 21%). On price, ads, 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. BOSS Effect Loader sells 8 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 3.5. That said, the two scores are not equally well evidenced: Source Audio Neuro 3 has 51 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 21% of Source Audio Neuro 3's written reviews are positive against 42% of BOSS Effect Loader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Source Audio Neuro 3 ships an update every 4 weeks, BOSS Effect Loader every 5 months. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

Scorecard6 real differences · 4 level
Source Audio Neuro 3 versus BOSS Effect Loader: the parameters behind the verdict, then further details
ParameterSource Audio Neuro 3BOSS Effect Loader
PriceFreeFree
Rating4.4 (51 ratings) — better3.5 (8 ratings)
Positive reviews21.4% of reviews41.7% of reviews — better
Number of ratings51 — better8
Update frequencyEvery 4 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size284 MB3 MB
Age rating4+4+
DeveloperSource AudioRoland Corporation

Customer experience

Source Audio Neuro 3

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

BOSS Effect Loader

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews12 reviews
Positive41.7%
Neutral33.3%
Negative25.0%

Bugs and 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

BOSS Effect Loader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Source Audio Neuro 3

No in-app purchases

8 purchases

BOSS Effect Loader

One-time8
  • PW-2 Power Driver$9.99
  • XT-2 Xtortion$9.99
  • CS-2 Compression Sustainer$9.99
Show 5 more
  • DM-2 Delay$9.99
  • DC-2 Dimension C$9.99
  • OD-2 TURBO OverDrive$9.99
  • Bundle for PW-2/XT-2/CS-2$19.99
  • Bundle for OD-2/DC-2/DM-2$19.99

Questions

Is Source Audio Neuro 3 free?
Source Audio Neuro 3 is free to download, with no in-app purchases.
Is BOSS Effect Loader free?
BOSS Effect Loader is free to download, with in-app purchases available.
Which has better reviews, Source Audio Neuro 3 or BOSS Effect Loader?
Source Audio Neuro 3 is rated higher. Source Audio Neuro 3 averages 4.4 out of 5 from 51 ratings, while BOSS Effect Loader averages 3.5 from 8 ratings.
Do Source Audio Neuro 3 or BOSS Effect Loader have ads?
Neither Source Audio Neuro 3 nor BOSS Effect Loader shows ads.
Which is updated more often, Source Audio Neuro 3 or BOSS Effect Loader?
Source Audio Neuro 3 ships an update every 4 weeks, and BOSS Effect Loader every 5 months. Most recently, Source Audio Neuro 3 was updated on September 29, 2026 and BOSS Effect Loader on September 28, 2026.

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