# Hohner-GCF Xtreme SqueezeBox > Virtual 34-button diatonic accordion app for iPad practice and learning. (iPhone/iPad app by Michael Eskin.) - Source: https://appshunter.io/ios/app/hohner-gcf-xtreme-squeezebox/id447398282 (this page in markdown: same URL + `.md`) - Developer: [Michael Eskin](https://appshunter.io/developer/342739369) - Category: Music, Entertainment - Price: $0.99 - Rating: 4.00/5 from 17 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 56 MB - Languages: American English - Released: 2011-07-06 - Data updated: 2026-06-05 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/hohner-gcf-xtreme-squeezebox/id447398282/reviews.md ## What is Hohner? Hohner announces the introduction of a series of revolutionary new apps for the iPad: The Hohner Xtreme II SqueezeBox. Mimicking the layout of Hohner's iconic Corona II Xtreme 34-button diatonic accordion, these intuitive virtual accordion apps feature a super responsive, three-row fingerboard that plays and sounds like the traditional instrument. The Hohner SqueezeBox apps allow musicians to practice chord combinations, scales, and songs on-the-go in five different key combinations and colors. Headphones can be used for private practice, or the audio output of the virtual accordion can be amplified by plugging into computer speakers, or other sound enhancing devices. Players may select to have the note names displayed on the large white pearloid buttons. With the touch of a button, the tonality can be changed from "wet tuning" giving an animated sound, to "dry tuning". This app is ideal for the beginning student or professional musician who needs a simple carry-on companion to compliment his or her actual accordion. While not meant to be a replacement for a real accordion, the app is a convenient and easy tool for practicing, learning, or teaching. GCF is commonly used for Tex-Mex, Conjunto, Norteño, Zydeco, Cajun, Vallenato, and French Canadian. ## Key features - Realistic 34-button layout - Plays and sounds like a real accordion - Practice scales and songs - Adjustable tuning (wet/dry) - Optional note name display - Multiple key combinations ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/hohner-gcf-xtreme-squeezebox/id447398282/reviews.md ### 4/5 — Don’t Use if You Really Want GC, not GCF *2025-06-23, version 5.1.1* The creator wrote in a response to a review for his Melodeon Pro app that if a person wants GC tuning, the person should use this app for GCF. So I bought this. Lots to like about it. Then I realized his G scale begins on the second button, rather than the third. Using this to learn GC would cause a lot of problems. Useful if you are just using the C row, but that’s limiting. ### 5/5 — IPad4 WORKS FINE! I BOUGHT ALL 3!!! *2013-09-02, version 1.0* Awesome Hohner apps! I bought all 3! I am an arranger and I use this app on some of my tex-mex arrangements.! ### 2/5 — Why isn't it working *2013-04-22* Why isn't this app playing I have an iPad mini I just paid for app and its not playing ### 4/5 — Love it but *2013-04-18, version 1.0* I bought all 3 squeezebox but on this one the buttons get stuck once in a while adjust it please and I wanna change background on it that would be great ### 1/5 — Very disappointed *2013-03-08* It doesn't make any sound at all so, sadly, is completely useless. Anyone know how I can get my money back? ### 5/5 — Leo Texas-Taiwan - works perfectly on the new iPad *2013-02-25, version 1.0* Leo Texas-Taiwan - works perfectly on the new iPad - I'm running the app on the iPad 2 and latest iPad 4 using iOS version 6.1.2 and it works perfectly, not seeing any of the issues you've reported with buttons, bellow, sounds or labels. How about contacting the developer and seeing if he can help you resolve the issues with your specific iPad rather than using the review system for technical support? Thousands of people are running the app and not having any of the issues you've reported. ### 2/5 — Hohner-GCF Xtreme II SqueezeBox *2013-02-20, version 1.0* Installed on my so-called New iPad. The Push-Pull (bellows simulator) Slider will jump on its own from Push to Pull or vice versa even if holding in one position or the other. Some buttons (notes) will get "stuck" when released (finger{s} no longer touching). App is ok but needs fine-tuning. ### 5/5 — Awesome app *2011-07-08, version 1.0* A must have for accordion fanatics ## Frequently asked questions about Hohner ### What is Hohner-GCF Xtreme SqueezeBox? Hohner-GCF Xtreme SqueezeBox is a virtual accordion app for iPad that replicates the layout and sound of a 34-button diatonic accordion. It's designed for practicing and learning music on the go. ### What musical styles is Hohner-GCF Xtreme SqueezeBox suited for? The GCF key combination is commonly used for genres like Tex-Mex, Conjunto, Norteño, Zydeco, Cajun, Vallenato, and French Canadian music. ### Can I customize the sound of Hohner-GCF Xtreme SqueezeBox? Yes, you can switch the tonality between "wet tuning" for an animated sound and "dry tuning" with the touch of a button. ### Does Hohner-GCF Xtreme SqueezeBox display note names? Yes, players have the option to display note names on the large white pearloid buttons for easier learning and practice. ### What devices does Hohner-GCF Xtreme SqueezeBox support? This app is specifically designed for and supports iPads. ### How often is Hohner-GCF Xtreme SqueezeBox updated? The app was last updated on July 26, 2018, with version 5.1.1. Updates are not frequent, but the core functionality remains stable. ### What is the age rating for Hohner-GCF Xtreme SqueezeBox? Hohner-GCF Xtreme SqueezeBox has an age rating of 4+, making it suitable for a wide range of users. ### Does Hohner-GCF Xtreme SqueezeBox have ads? No, Hohner-GCF Xtreme SqueezeBox does not contain advertisements, providing an uninterrupted practice experience. ## Version history (last 4 releases) ### 5.1.1 — 2018-07-26 This app has been updated by Apple to display the Apple Watch app icon. Faster playing and audio quality improvements. ### 5.0 — 2017-12-30 Improvements and bug fixes for iOS 11. ### 4.0 — 2015-10-09 Fixes for iOS 9 Better audio quality on iOS 7 and 8 Bug fixes. ### 1.0 — 2011-07-06 No release notes. ## Apps similar to Hohner | App | Rating | Price | Category | | --- | --- | --- | --- | | [Grapes - Scales & Chords](https://appshunter.io/ios/app/grapes-scales-and-chords/id1514947874) | 4.6 (41) | Free | Music | | [TriplePlay Connect](https://appshunter.io/ios/app/tripleplay-connect/id1441347811) | 4.2 (227) | Free | Music | | [Keys: Organ, Piano, Percussion](https://appshunter.io/ios/app/keys-organ-piano-percussion/id1597929978) | — | $7.99 | Music | | [Chord Fusion - Guitar Tabs](https://appshunter.io/ios/app/chord-fusion-guitar-tabs/id1379913386) | 4.9 (14) | $1.99 | Music | | [Zen Musical Harmonizer ZMH-1](https://appshunter.io/ios/app/zen-musical-harmonizer-zmh-1/id1086766836) | 3.1 (7) | $1.99 | Music | ## More apps by Michael Eskin - [Concertina - Anglo Concertina](https://appshunter.io/ios/app/concertina-anglo-concertina/id343270484) - [Regulators for Uilleann Pipes](https://appshunter.io/ios/app/regulators-for-uilleann-pipes/id348529289) - [JustDrones - Tunable Just Intonation Drones](https://appshunter.io/ios/app/justdrones-tunable-just-intonation-drones/id348861427) - [Englitina - English Concertina](https://appshunter.io/ios/app/englitina-english-concertina/id349451473) - [Uilleann - Pocket Irish Pipes](https://appshunter.io/ios/app/uilleann-pocket-irish-pipes/id353684178) - [Canntina - MacCann Concertina](https://appshunter.io/ios/app/canntina-maccann-concertina/id360579654) All apps by Michael Eskin: https://appshunter.io/developer/342739369 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*