Big Stuff Harmonic Distortion vs Echord
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Stuff Harmonic Distortion
This app emulates the sound of a legendary vintage distortion pedal, offering a violin-like sustaining tone. It functions as a standalone application, an AudioUnit v3 effect, or an Inter-App Audio effect for versatile music production.
- Vintage distortion emulation
- Sustaining violin-like tone
- Standalone app functionality
- AudioUnit v3 effect
- Inter-App Audio effect
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Nembrini Audio Big Stuff is modeled on a Electro Harmonix Big Muff* The Big Stuff will give you a sweet violin-like sustaining sound. It's the same legendary created by Jimi Hendrix. Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect Legal Disclaimer: *All product names are trademarks of their respective owners, which are in no way associated or affiliated with Nembrini Audio SRL. These product names, descriptions and images are provided for the sole purpose of identifying the specific products that were studied during Nembrini Audio’s sound design process.
Echord
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Echord is an accessible mobile application designed to help people who are blind and partially sighted read chord sequences, and tune their instruments with ease. Built with full VoiceOver integration and a voice-first mindset, Echord removes visual barriers and transforms guitar learning into a fully accessible experience. Whether you are reading your chords or tuning your instrument before a performance, Echord provides a simple, reliable, and inclusive tool designed around real user needs. KEY FEATURES • Accessible guitar chord reading system • Real-time guitar tuner using device microphone • Fully VoiceOver-compatible interface • Audio-first, simple navigation design • Works completely offline DESIGNED FOR ACCESSIBILITY Echord is built specifically for people who are blind and partially sighted. Every interaction is designed to be clear, structured, and fully compatible with Apple accessibility technologies. The app does not rely on visual cues alone — it communicates through sound, structure, and accessibility-first design principles. PRIVACY BY DESIGN Echord does not collect personal data, does not require user accounts, and does not use analytics or advertising services. All user interactions remain entirely on-device. No data is ever stored, shared, or transmitted externally. FREE AND OPEN EXPERIENCE Echord is completely free to use, with no ads, no subscriptions, and no hidden payments. THE TEAM (S&J / TEAA) Andreina Costagliola — Code Bianca De Vivo — Project Manager Elisabetta Garofalo — Project Manager Jorge Salcedo — Code Serena Squitieri — Design Yolanda Macias — Code Echord is built with care to make music learning accessible to everyone.
Screenshots
Verdict
The clearest difference is update cadence: Echord at every 3 months against Big Stuff Harmonic Distortion's every 40 months. Big Stuff Harmonic Distortion's advantage is device support (3 vs 1) and iOS requirement (15 vs 17.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Big Stuff Harmonic Distortion ships an update every 40 months, Echord every 3 months. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.
| Parameter | Big Stuff Harmonic Distortion | Echord |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 40 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Nembrini Audio | Andreina Costagliola |
In-app purchases
Big Stuff Harmonic Distortion
No in-app purchases
Echord
No in-app purchases
Questions
Is Big Stuff Harmonic Distortion free?
Is Echord free?
Do Big Stuff Harmonic Distortion or Echord have ads?
Which is updated more often, Big Stuff Harmonic Distortion or Echord?
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