Zoundio — music technology company building the best guitar app

Stockholm · Music · Tech

Where music
meets technology

We build products that make learning and playing music accessible, inspiring, and unforgettable.

Scroll

Who We Are

Crafting the future
of music learning

We're a music tech team of musicians, developers, and creatives based in Stockholm, Sweden. Our mission is to empower music creation and learning through technology — making it inspiring, educational, and genuinely interactive.

We build and run our own portfolio of products used by millions worldwide, and partner with iconic brands to co-create the next generation of music experiences.

Zoundio music tech team — crafting the future of music learning
Gibson App logoGibson App
1M+
Downloads
4.8
App Store Rating
1 000+
Hand crafted lessons

Trusted by 1 million+ players

The best guitar app
for every player

Rated 4.8 stars and trusted by over a million players, Gibson App is widely regarded as the best guitar learning app for beginners and experienced players alike. With interactive lessons and an immersive playing experience, the app adapts to your skill level and pace, and guides you from your very first chord to playing full songs with confidence.

01

Beginner to Pro

A structured learning path that takes you from your very first chord to playing full songs with confidence.

02

Real-Time Feedback

Advanced audio recognition technology listens as you play and guides you every step of the way.

03

Thousands of Lessons

Explore a vast library of lessons, techniques, and songs curated by professional guitarists.

Visit gibson.app
Person learning guitar with the best guitar app
Download on the App StoreGet it on Google Play
Guitar strings close-up — music technology by Zoundio

Our Philosophy

Technology should amplify
creativity, not replace it.
Rechords logoRechords
Learn piano chords with the Rechords app

Guitar · Piano · Your Songs

Learn the chords.
Play the music.

Rechords is your go-to jamming companion. Quickly learn the chords to your favorite songs and play along in real time — on guitar or piano. No theory, no pressure. Just pick a song, follow the chords, and make music from the start.

Guitar & Piano

One app, two instruments. Switch seamlessly between guitar and piano modes.

Play Along Instantly

Pick a song, see the chords, and start jamming right away. No tutorials needed.

Your Favorite Songs

A growing library of popular songs with accurate chord progressions and real-time sync.

Visit rechords.app
Download Rechords on the App Store

The Story

How it started

The Gibson App started as Amped Guitar, an app built by Zoundio and promoted together with Gibson in 2020. One year later, the app was officially rebranded under the Gibson name, taking the name Gibson App and becoming Zoundio's flagship music education product.

The Gibson App was born from a unique collaboration between music industry legends and visionary technologists. The founding team combines global pop stardom and top-tier artist management with cutting-edge audio innovation.

The Music Industry Legends

Ulf Ekberg

Co-Founder of Ace of Base

A founding member of Ace of Base, Ulf Ekberg is pop royalty. As a songwriter and producer, he helped craft the "Swedish Pop Miracle" that dominated 90s radio. Ace of Base became a global phenomenon, selling over 50 million records worldwide.

  • Debut album Happy Nation / The Sign holds the Guinness World Record for best-selling debut album of all time
  • Winner of two American Music Awards and two Billboard Music Awards
  • Nominated for three Grammy Awards
  • First Swedish act to reach #1 on the U.S. Billboard Hot 100

Ash Pournouri

Manager & Creative Partner behind Avicii

Best known as the visionary manager and creative partner behind Avicii, Ash Pournouri played a pivotal role in defining the modern EDM era. His strategic vision helped propel Avicii to global superstardom.

  • 2x Grammy Award nominee (Best Dance Recording)
  • Won an American Music Award and a Billboard Music Award
  • Founder of Brilliant Minds tech symposium and the UNLTD portfolio

The Tech & Innovation Leaders

Daniel Katzenellenbogen

Co-Founder & former CEO of Zoundio

The driving force behind the product and the platform’s vision to democratize music education. Daniel initiated and led the partnership with Gibson Brands, describing the app as “one giant love letter to anyone wanting to learn guitar.”

  • Led the development of an immersive “Audio Augmented Reality” experience
  • Focused on making beginners feel like rockstars from their very first lesson

Jussi Bergman

Co-Founder & original CTO

A rare hybrid of professional musician and elite coder. Currently a Senior Adviser and Lecturer in Artificial Intelligence at Satakunta University of Applied Sciences (SAMK) in Finland.

  • Created the core “listening” technology that powers the app’s real-time feedback
  • A key figure in Finland’s AI education sector, focused on applied AI and machine learning

The Team

Built by musicians,
powered by tech

Our team combines deep musical expertise with cutting-edge engineering. We understand both sides — the soul of music and the precision of technology — because we live and breathe both every day.

Based in Stockholm, Sweden, we work with world-class partners and ship products that millions of musicians rely on.

The Zoundio team