Create and export dance formations with music. Easily arrange dancer positions on stage, and the app automatically interpolates movement. Share your choreography as MP4 videos or A4 PDFs.
1.7.2
October 13, 2026
• You can now send feedback or report a problem from Settings (a form opens in your browser).
タチイチ is a productivity app designed for creating and exporting dance formations. It allows users to arrange dancer positions, interpolate movements, and export the choreography as MP4 videos or PDFs.
You can import your own DRM-free audio files. The app automatically interpolates movement between set positions to sync with the music. Protected songs from streaming services cannot be imported.
Yes, タチイチ works entirely offline. All作品 (works) and audio files are handled on your device, allowing editing and confirmation even without an internet connection.
The free version allows for 1 work, 12 dancers, and 6 slides per work. Exports (MP4 and PDF) in the free version include a small watermark of the app name.
タチイチ Pro is a one-time purchase of ¥800. It is not a subscription. This unlocks unlimited works, dancers (up to 100), and slides, and removes the export watermark.
No, タチイチ does not have advertisements. The free version includes a watermark on exports, but there are no in-app ads.
タチイチ is compatible with both iPhone and iPad. On iPad, you can edit in landscape mode, and the editing state is preserved when rotating the device.
The latest version is 1.2.1, last updated on 2026-08-22. Updates are released periodically to improve functionality and add new features.
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