GetApp offers objective, independent research and verified user reviews. We may earn a referral fee when you visit a vendor through our links.

Our commitment

Independent research methodology

Our researchers use a mix of verified reviews, independent research, and objective methodologies to bring you selection and ranking information you can trust. While we may earn a referral fee when you visit a provider through our links or speak to an advisor, this has no influence on our research or methodology.

Learn more

Verified user reviews

GetApp maintains a proprietary database of millions of in-depth, verified user reviews across thousands of products in hundreds of software categories. Our data scientists apply advanced modeling techniques to identify key insights about products based on those reviews. We may also share aggregated ratings and select excerpts from those reviews throughout our site.

Our human moderators verify that reviewers are real people and that reviews are authentic. They use leading tech to analyze text quality and to detect plagiarism and generative AI.

Learn more

How GetApp ensures transparency

GetApp lists all providers across its website—not just those that pay us—so that users can make informed purchase decisions. GetApp is free for users. Software providers pay us for sponsored profiles to receive web traffic and sales opportunities. Sponsored profiles include a link-out icon that takes users to the provider’s website.

Learn more

Kiwi for Gmail vs Boomerang for Gmail Comparison (2026)

Add to Compare

Compare similar apps

Gmail

4.8

Microsoft Outlook

4.5

Shift

4.3

Mixmax

4.6

Yesware

4.3

Airmail for Business

4.5

Good recommendations?

Kiwi for Gmail

Boomerang for Gmail

Overview

Kiwi helps businesses collaborate on projects, view and monitor tasks, compose emails, and manage spreadsheets, presentations, documents, and more. Designed for Gmail and Google’s Office Suite, the application enables organizations to handle multiple email accounts in a unified billing portal.

Boomerang for Gmail is an email management software designed to help organizations handle inbound and outbound electronic mails in real-time. It enables employees to set up follow-up reminders, schedule meetings, display read receipts, and configure delivery exception settings via a unified portal.