Can I setup a summary of submissions daily?

Is there a way to email a summary for that day of submissions instead of sending every single submission?

Our Daily Digest App would most likely fit your requirements.

https://apps.jotform.com/app/daily_digest

The emails can be setup to be received on a daily, weekly, or monthly basis.

Related article: Daily-Digest-Emails-for-Your-Forms

Give that a whirl and let us know if you'd need more help.