Dromo can run entirely in a web browser.
In comparison, OneSchema requires you to process sensitive user data on its servers.
You can customize Dromo with code to meet your exact specifications.
With OneSchema, your control is limited to the options available in their UI.
With Dromo, you can write your own validation and transformation logic that will run directly in the user's web browser.
By contrast, you must make remote server calls to handle any logic that OneSchema does not provide out of the box.
Dromo looks and feels like a classic spreadsheet, and requires no behavior change from users.
OneSchema requires users to learn new behavior for navigating its UI.
Dromo makes it easy for you to control exactly where your user data will reside and limit external access to it.
You cannot control your data in the same way with OneSchema.