Shortwave vs Spark

At a glance

Spark has a free plan. We haven't confirmed one for Shortwave.
Shortwave offers a free trial (14 days). We haven't confirmed one for Spark.
Shortwave's lowest paid plan is Business at $30 per seat per month, as of November 13, 2026.
Spark's lowest paid plan is Plus at $10 per user per month, as of November 13, 2026.
Both are available on Android and Windows.
Only Shortwave lists iOS and macOS.
Only Spark lists Mac, iPhone and iPad.
Both work with Slack, Notion, Asana and HubSpot.

From each tool's own website, checked on the dates below, and from published reviews.

From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Mac, iPhone or iPad. We haven't found them on Shortwave's website.
Integration with Gmail or Outlook. We haven't found them on Shortwave's website.

No reviews yet

Nobody has reviewed Shortwave yet. Its rating shows once it has 3 reviews.

No reviews yet

Nobody has reviewed Spark yet. Its rating shows once it has 3 reviews.

What it does: ShortwaveAI email that helps you organize, write, search and schedule with just a prompt.; SparkSpark takes care of your inbox and calendar so you can focus on decisions, not admin.
Free plan: ShortwaveNot confirmed; SparkYes
Pricing: ShortwavePer seat, monthly; SparkPer user, monthly or yearly
Paid plans from

From the platforms and integrations each website lists.

Both

Only Shortwave

Only Spark

Both

Reviewers who say they used one of these before the other.

No reviewer has said they moved between Shortwave and Spark yet.

Your review makes this comparison better for the next person. Review Shortwave or review Spark.