
Chart Smarter
Enter/display chords in number or letter format. Toggle back and forth at any time.

Fine-Tune
Get as detailed as you like — 1Chart lets you notate complex rhythms and dynamics

Arrange
Use endings, repeat signs and other symbols to build your arrangement
1Chart in Action
Learn how writer/producer Cliff Goldmacher uses 1Chart to simplify his workflow, and listen to his latest collaboration with Mindy Smith.
Fast, Flexible, Powerful
Tools That Put You In Control
- Copy and paste chords, measures or entire sections for quick charting
- Support for chord inversions, as well as common and not-so-common chord qualities – from “7” to “alt”
- Split measures can be boxed or underlined
- Sections can be underlined or double-underlined to give more visual cues to your song’s structure
Keep Everyone on the Same Page
Share charts as PDFs or editable 1Chart files.
All Your Charts in One Convenient Location
Take your iPad® and leave the giant binder at home.
Lock Charts While You Perform
Performance mode prevents edits while you’re performing.

New in Version 2.0
Just-added features to make charting even faster and easier:
Option to display chords as letters, with intelligent key changes and modulations
Two-column format — often helpful for fitting more content on a single page
Performance mode, with option to invert colors (“dark mode”)
Export and import notebooks, for easy sharing of set lists

1Chart brings the world’s most convenient charting system to the iPad.
See 1Chart in the App Store.
New to Nashville Numbers? Learn more about the system.
Or join us in the Community for more discussion about 1Chart and the Number System.