News from the past

• 2025: Apple M4 chips support
• 2024: macOS 15 Sequoia support
• 2024: Starting the piano tuning course in the Netherlands
• 2024: Apple M3 chips support
• 2023: Gift cards on the webshop
• 2023: macOS 14 Sonoma support
• 2023: Moving the piano tuning course to the Netherlands
• 2023: Sounding reeds can be selected individually
• 2022: Apple M2 chips support
• 2022: macOS 13 Ventura support
• 2021: macOS 12 Monterey support
• 2021: Windows 11 support
• 2021: Apple M1 chips support

• 2020: macOS 11 Big Sur support
• 2020: macOS 10.15 Catalina support
• 2019: Support for individual reeds in beat lists
• 2018: Windows 10 privacy settings support
• 2018: macOS 10.14 Mojave support
• 2018: 400+ user experiences in the guest book
• 2018: 500.000+ views for piano tuning video
• 2017: Mobile support on the website
• 2016: MS Edge support for reports
• 2015: Windows 10 support
• 2015: macOS support: Accordion Tuner
• 2014: macOS support: Piano Tuner
• 2013: First course week 'Piano Technique'
• 2012: HOHNER Service Workshop
• 2012: Harmonica World Magazine
• 2012: HOHNER Harmonica Tuner
• 2010: First course week 'Piano Tuning'
• 2010: Dirk's Piano Tuner
• 2007: Dirk's Guitar Tuner
• 2007: Accordions Worldwide
• 2006: Dirk's Accordion Tuner
• 2005: Intermusik
• 2005: Das PC Tonstudio
• 2004: Strumenti & Musica
• 2004: KLANK
• 2004: Dirk's Chromatic Instrument Tuner