BIAS AMP 2 - for iPad icon
BIAS AMP 2 - for iPhone icon
BIAS FX 2 - #1 Guitar Tone App icon
+10

Positive Grid

For guitarists and bass players ranging from hobbyists to prosumers who utilize digital rigs for practice, recording, and performance.

13apps4.4(39.4K)MusicEducation

Snapshot

Who is Positive Grid?

Providing guitarists with digital tone modeling and AI-driven practice tools. Bridging the gap between physical hardware and mobile software.

Target audience

GuitaristsBass players ranging from hobbyists to prosumers who utilize digital rigs for practiceRecording

Active nemesis

Ultimate Guitar

Other rivals

Portfolio

Free 11
13
apps
Music12
Education1

Last updated

Spark: Chords, Backing Tracks

v4.5.2

10mo ago

Steady

Publisher DNA

What defines Positive Grid?

Publisher DNA

Primary focus

Music and guitar practice tools

Scale

indie

Target audience

Guitarists and bass players ranging from hobbyists to prosumers who utilize digital rigs for practice, recording, and performance.

Signature Patterns

  • •Deep integration with proprietary smart guitar hardware
  • •Freemium monetization model with in-app purchases for sound expansion
  • •Focus on high-fidelity digital signal processing (DSP) for guitar tones
  • •Heavy reliance on the BIAS engine across multiple titles
Steady

Portfolio momentum

Released 3 updates in the last 6 months, though the majority of the portfolio remains in maintenance mode with 8 apps classified as abandoned.

Last release 76d agoActive apps 3Abandoned 8

Portfolio

What does Positive Grid ship?

Apps

13 apps analysed

Integration with hardware amp systems provides a cohesive workflow for professional practice and recording

  • Deeply customizable tube amp emulation allows users to design unique tones from the ground up
  • Frequent application crashes on launch prevent users from accessing their purchased content and custom presets

Proprietary Amp Match technology

  • Sound Quality and Realism
  • Technical Instability and Audio Glitches

Proprietary Tone Match technology

  • Modeling Accuracy
  • Tone Cloud Login Failures

Distributed across 2 markets, strongest in Americas.

Based on 2 of 13 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Asia-Pacific (1)

  • Japan1 / 2

Core markets (2/2 apps)

United States

User Sentiment

How do users feel about their apps?

Unlock the app dragging this portfolio down.

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Rivals

Who does Positive Grid compete with?

The rivals identified

Nemeses(6)

Ultimate Guitar

known forUltimate Guitar: Chords & Tabs

2 apps4.2MusicEducation

Ultimate Guitar serves as a reference library for the same guitarists who use BIAS FX 2 for tone processing.

BandLab Singapore Pte

known forBandLab – Music Maker & Beats

1 app4.7Music

Both apps target mobile musicians, with BandLab providing a broader production environment that competes for the same time and attention as the specialized guitar processing in BIAS FX 2.

Moises Systems

known forMoises: The Musician's AI App

1 app4.5Music

While focusing on AI separation rather than circuit modeling, Moises has captured the 'prosumer musician' market with a release velocity (20 updates in 6 months) that dwarfs the stagnant BIAS Pedal.

Steinberg Media Technologies

known forCubasis 3 - DAW & Music Studio

1 app4.5Music

As a full-featured DAW with high update velocity, Cubasis 3 acts as a platform-level alternative by providing built-in amp simulations that can replace specialized plugins for many users.

forScore

known forforScore

1 app4.8Music

The dominant platform in the music-reading space that dictates the MIDI pedal standards the target app must follow.

Zoundio

known forGibson: Learn to Play Guitar

1 app4.8Education

Gibson is the most direct scale-match (11k vs 10k reviews) and shares the 'hardware brand + software ecosystem' positioning, maintaining a high update velocity while the target app's iOS version has stagnated.

Contenders(17)

Fender Digital

known forFender Play: Learn Guitar

3 apps4.8MusicEducation

A direct brand-backed rival with 5 releases in the last 6 months, focusing on high-production video lessons.

Simply

known forSimply Guitar - Learn Guitar

3 apps4.8MusicEducation

A high-velocity competitor (12 releases in 6 months) that dominates the casual/beginner acquisition funnel through gamified UX.

Yousician

known forGuitarTuna: Tune & Play Guitar

3 apps4.5MusicEducation

GuitarTuna acts as a high-frequency entry point for the same beginner audience that eventually graduates to advanced tone modeling.

Aurora DSP

known forMammoth - Bass Amp

2 apps4.8Music

Mammoth provides bass-specific signal processing that functions as a direct alternative to the bass modeling in BIAS FX 2.

Deplike YAZILIM Muhendislik Sanayi ve Ticaret Limited Sirketi

known foriRig Guitar Amp & FX · Deplike

1 app4.5Music

Both apps provide mobile guitar effects processing and amp simulation for iOS, targeting the same guitarist demographic with freemium models.

Kyan Santiago-Calling

known forToneAdapt - Guitar Tone Match

1 app4.6Music

ToneAdapt targets the same guitarist audience as BIAS FX 2 by providing a tone-matching engine that suggests settings for specific gear configurations.

mooer

known forGELABS - Effects & Guitar Amps

1 app3.7Music

Both apps target guitarists seeking digital effects processing, though GELABS functions as a hardware-specific utility while BIAS FX 2 operates as a standalone mobile rig.

Rhism

known forGuitarism - Pocket Guitar

1 app4.6Music

Both apps target mobile guitarists, but they serve different needs: BIAS FX 2 processes external guitar signals for tone modeling, while Guitarism functions as a virtual instrument for playing without physical hardware.

Yonac

known forToneStack PRO Guitar Amps & FX

1 app4.2Music

Both apps target guitarists seeking mobile effects processing, with ToneStack PRO competing for professional users through DAW integration features.

Bonnet

known forPocketGuitar - Virtual Guitar in Your Pocket

1 app4.2Music

Both apps target guitarists seeking mobile practice tools, though they differ by focusing on signal processing for physical instruments versus virtual instrument simulation.

Ilia Ambrazhevich

known forPedalboard Layout

1 app3.7Music

Both apps target guitarists managing signal chains, though BIAS FX 2 provides active audio processing while Pedalboard Layout focuses on visual planning for physical hardware.

Kemper Digital

known forRig Manager

1 app3.8Music

Both apps target guitarists managing digital tone profiles, though BIAS FX 2 provides internal signal processing while Rig Manager functions as a remote editor for external hardware.

Nembrini Audio

known forCrunck V2 Guitar Amplifier

2 apps4.8Music

Both apps target guitarists requiring digital amplification and effects, creating direct competition for the same mobile recording and practice workflow.

OnSong

known forOnSong 2026

1 app4.5Music

A high-traction performance tool that manages the entire MIDI signal chain for live musicians, offering significantly more depth than a simple editor.

Pedal Galaxy

known forPedal Galaxy

1 app5.0Music

Both apps target guitarists, but they serve distinct stages of the gear workflow: JamUp Pro processes audio signals, while Pedal Galaxy plans physical pedalboard layouts.

Reinarc

known forGigFast Lite: Neural Amp Suite

1 app3.7Music

Both applications provide digital guitar amp modeling and effects processing for mobile users, competing directly for the same guitarist audience.

ZOOM

known forHandy Guitar Lab for G11

2 apps4.6Music

Both applications target guitarists seeking mobile-based tone management, though JamUp Pro functions as a standalone processor while the rival requires specific external hardware.

Same space(24)

A Tasty Pixel

known forLoopy Pro: Looper DAW Sampler

1 app4.8Music

A high-performance live-looping and performance hub that occupies the same 'pro-mobile musician' workflow as BIAS AMP 2.

MWM

known forEdjing Mix - DJ Music Mixer

5 apps4.7Music

edjing Mix offers a mobile studio environment for DJs that mirrors the portable production utility of BIAS FX 2.

Appenvision

known forReal Guitar : Chords & Tabs

1 app4.3Music

Real Guitar provides a virtual simulator for practice, serving the same user base as BIAS FX 2.

Beijing Beibeitan Technology Co.

known foriTuner - Guitar Tuner & Tabs

1 app4.2Music

Tuner Pro provides the tuning utility necessary for guitarists before they engage in tone shaping with BIAS FX 2.

Better Day Wireless

known forThe Guitar with Songs

1 app3.8Music

The Guitar with Songs offers a virtual practice tool for the same guitarists who use BIAS FX 2.

Future Moments

known forMicSwap: Microphone Recording

1 app4.5Music

MicSwap provides studio-grade audio processing that complements the guitar-focused signal modeling in BIAS FX 2.

Gismart

known forGuitar - Chords, Tabs & Games

1 app4.4Music

Gismart's Guitar simulator provides a virtual alternative to physical gear, similar to the software-based rig emulation in BIAS FX 2.

Resonant Cavity

known forVoloco: Vocal Recording Studio

1 app4.8Music

Voloco provides vocal-centric audio processing that complements the guitar-focused signal chain found in BIAS FX 2.

W185

known forStrum - Play Guitar

1 app4.7Music

Users report: Strum offers AI-driven chord detection that helps guitarists learn songs they might later perform using BIAS FX 2 rigs.

AirTurn

known forAirTurn Manager

1 app4.2Music

The most direct functional equivalent, serving as the official configuration utility for rival AirTurn hardware.

Audiobus Pty

known forAudiobus: Mixer for Music Apps

1 app4.5Music

An essential utility that enables the interoperability of various music apps, including JamUp.

Chordify BV

known forChordify: Songs, Chords, Tuner

1 app4.2Education

Directly overlaps with Spark's 'search any song' feature by using algorithmic chord recognition for any YouTube/SoundCloud link.

Guitar Tabs

known forSongsterr Tabs & Chords

1 app4.7Music

This tab-reading utility serves the same guitar-playing audience as JamUp Pro but focuses on transcription rather than sound modeling.

Guitar Tricks

known forGuitar Lessons - Guitar Tricks

1 app4.5Education

A long-standing incumbent in the digital guitar lesson space with a focus on the 'Core Learning System'.

Jatisari Inovasi Studio

known forGarageBand

1 app4.1Music

A ubiquitous platform-native music creation tool that serves as a default alternative for guitar processing.

Manomaya SA

known forGuitar : Play & Learn Chords

1 app4.5Music

CoachGuitar targets the same beginner guitarists who may eventually require the advanced tone processing of BIAS FX 2.

MERT CATIROGLU

known forGuitar Tone Match - GuitarAI

1 app2.0Music

GuitarAI provides tone analysis that helps users achieve specific sounds, similar to the Guitar Match feature in BIAS FX 2.

MUSIC TREND APPS

known forGuitar by MT: chords & lessons

1 app3.0Music

Guitar by MT provides a virtual practice tool for the same beginner audience as BIAS FX 2.

Musopia

known forJustin Guitar Lessons & Songs

1 app4.4Education

A personality-led platform that competes for the same beginner-to-intermediate demographic through a trusted educational brand.

MWM - AI Music and Creative Apps

known foredjing Mix - Music DJ app

1 appMusic

edjing Mix offers a mobile studio environment for DJs that mirrors the portable production utility of BIAS FX 2.

Ringtones

known forGuitar Chords & Tabs

1 app4.4Music

This guitar simulation app targets the same beginner audience as JamUp Pro but focuses on basic chord learning.

Smule

known forSmule: Sing & Duet

1 app4.5Music

This social singing platform shares the music-creation audience with JamUp Pro but focuses on vocal performance and social interaction.

Supercharge Mobile

known forGuitar Band: Rock Battle

1 app4.4Music

Guitar Band provides a rhythm-based gaming experience for the same music-focused audience as BIAS FX 2.

TrueFire

known forTrueFire Guitar Lessons

1 app4.8Education

Focuses on the 'Prosumer' and advanced player market with a massive library of masterclasses.

New entrants(5)

Confusion Studios

known forMIDI Designer Pro X

1 app4.6Music

A powerful 'meta-editor' that allows users to build custom control interfaces for legacy hardware like the BT-4.

Seref Aybars Yildiz

known forToneAmp: Guitar Tone Finder

1 app0.0Music

ToneAmp provides a tone library and research tool that complements the rig-building capabilities of BIAS FX 2.

Soft Brew Mobile

known for91 Rock: Guitar Song Generator

1 app5.0Music

91 Rock uses generative math to compose songs, offering a different approach to music creation than BIAS FX 2.

Timbro

known forTimbro Guitar - Learn Guitar

1 app4.8Education

A newer (2022) high-rated entrant with a clean, modern UX and a release in the last 30 days.

Ubisoft

known forRocksmith+ Fast Music Learning

1 app3.3Education

A major 2023 entry from Ubisoft that brings console-grade 'note highway' visuals and a massive licensed song library to mobile.

The Analyst's Read

The bottom line on Positive Grid

Bottom line

Positive Grid has successfully captured a niche in the music hardware-software space, but their mobile portfolio suffers from significant technical debt. Future growth depends on their ability to modernize legacy apps to maintain parity with current iOS standards.

Frequently asked questions

How many apps does Positive Grid publish?
Positive Grid has 13 apps tracked by Marlvel, primarily in the Music category.
What kind of apps does Positive Grid make?
Positive Grid's portfolio is concentrated in Music and Education, with an average rating of 4.4/5 across rated apps.
What is Positive Grid's top app?
By review volume across the portfolio, Spark: Chords, Backing Tracks is Positive Grid's best-known app tracked by Marlvel.
In how many countries are Positive Grid's apps available?
Marlvel has tracked Positive Grid's apps across 2 countries.

What fed this analysis

Apps analyzed:
12
With full intel:
7
With overview:
12
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Positive Grid, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Positive Grid intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/positive-grid-inc

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Data licensed under CC-BY-NC 4.0