Measure your current altitude with GPS or barometric sensors. Switch units between meters and feet, and get real-time updates. Ideal for outdoor activities like hiking and photography.





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Measure your current altitude with GPS or barometric sensors. Switch units between meters and feet, and get real-time updates. Ideal for outdoor activities like hiking and photography.






Create and edit song chord charts with a simple text format. Easily add chords, preview, transpose, and export your song sheets as PDF, image, or text. Ideal for songwriters, musicians, and teachers.





