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 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.
Dromo does not brand its importer and stays invisible to your users.
OneSchema inserts its branding into your customer experience.
Dromo's monthly plans make it extremely easy to get started (though discounts are available for longer contracts).
OneSchema locks you into an annual plan even for a small workload.
You can get started with Dromo without talking to sales.
OneSchema's pricing page does not have any prices on it, so you must talk to a sales reps just to get basic information about starting a trial.