Terms of use
Last updated: September 11, 2026
Using Spark Grid
Spark Grid 1.1 is out on the Mac App Store. Spreadsheets. No account. Spark Grid is provided as-is for personal and professional use on macOS. By downloading or using the app, you agree that Sam Parker / Spark Suite is not liable for data loss, incorrect calculations, or damages arising from use of the software. Always keep backups of important workbooks.
The Mac App Store version is also subject to Apple’s Licensed Application End User License Agreement. Spark Grid on the Mac App Store.
Third-party libraries
Spark Grid includes these libraries:
- ZIPFoundation — used for reading and writing Office Open XML packages
- CoreXLSX — used for Excel workbook interchange
Their licenses are available in the respective upstream repositories. Spark Grid itself is copyright Sam Parker, all rights reserved.