ホーム
/
競合比較
/
Shortwave
/

Revo vs Shortwave: Which email AI is best?

Revo delivers 10x better emails by giving you the full picture across all your tools, ensuring every draft is powered by your team's collective knowledge rather than just your inbox history.

最終更新日：
2026年1月

What makes Revo the best alternative — a deep dive.

Pricing

はい

Starter: $22.50/mo, Professional: $37.50/mo, Enterprise: Custom

はい

Business: $24/mo, Premier: $36/mo, Max: $100/mo

Business Context

はい

Pulls live data from CRM, Slack, meetings, and tools before drafting

いいえ

AI limited to Gmail history

CRM-Aware Replies

はい

Uses Salesforce and other CRM data inside replies

いいえ

No CRM-informed drafting

Task Execution

はい

Turns emails into actions and follow-ups automatically

いいえ

No built-in task execution

Team Intelligence

はい

Shared AI context across the organization

一部対応

Individual-level AI only

Slack-Aware Drafting

はい

Slack conversations inform responses

いいえ

No Slack-based drafting context

Outlook Support

はい

Native Gmail + Outlook support

いいえ

Gmail-focused only

Automation Depth

はい

Workflow-level email automation tied to business data

いいえ

Primarily inbox organization and speed

Meeting Intelligence

はい

Uses meeting outcomes to shape replies

いいえ

No native meeting context

Revoを試してみませんか？

7日間無料トライアル。いつでも解約可能。

Why Teams Choose Revo

Growing teams outgrow inbox-only AI. Revo connects live business context to every email, so replies are accurate and tasks don’t slip through. It’s built for execution, not just organization.

Where Shortwave Falls Short

Not every “smart inbox” feature actually helps your team get work done. Here’s where Shortwave hits limits.

Paywall-Gated Features 

Some essential features, like read receipts, are only available on higher-tier plans. 

Revo gives core intelligence across all plans.

Limited AI Customization

You can’t teach Shortwave to reflect your team’s tone or priorities.

Revo adapts to your business style automatically.

No Cross-Platform Workflow 

Shortwave is Gmail-only, so switching between tools breaks your workflow. 

Revo integrates across email, Slack, and project tools.

No Persistent Team Memory 

AI forgets context outside recent threads.

Revo retains knowledge across projects, deals, and team conversations for smarter replies.

Email Automation That Actually Moves Your Business Forward

Shortwave speeds up replies, but Revo turns emails into tasks and actionable follow-ups across your team.

Start free trial

See the difference

Same email. Two AI tools. Watch what happens when one knows your business, and one doesn't.

Shortwave guesses.

Shortwave: Hits and Misses

Shortwave is handy for inbox speed but falls short on business context and team workflows.

What users like

  • Clean, clutter-free inbox
  • Smart email bundling
  • Quick AI suggestions
  • Fast search across Gmail

What Users Don’t Like

  • Limited business context
  • No task automation
  • Gmail-only support
  • Features locked behind paywall
Everything You Need to Know About Shortwave

Who founded Shortwave?

Founded 2020 by Andrew Lee (CEO), Jacob Wenger (CPO), and Jonny Dimond (CTO). All three were core developers at Firebase before Google's acquisition. Andrew Lee was Director of Engineering at Google post-acquisition.

Funding

  • Series A (April 2020): $9 million
  • Investors: Union Square Ventures, Lightspeed Venture Partners, Afore Capital

Revenue

$1.9M ARR (2025), 17 employees.

Pricing

  • Free: 90-day history, "Sent with Shortwave" signature
  • Business: $24/month (billed annually)
  • Premier: $36/month (billed annually)
  • Max: $100/month (billed annually)
  • Enterprise: Custom pricing
Shortwave in the Press

Andrew Lee has appeared on multiple podcasts discussing Shortwave's AI-first approach.

Podcast appearances

  • Cognitive Revolution (March 2025): "Inbox Agents, Hyper-Growth & Hiring AI Managers"
  • The Gradient Podcast: "How AI will Shape the Future of Email"
  • AI Summer Podcast: "Running an AI-focused startup"

Press coverage

  • TechCrunch: "Shortwave email client will show AI-powered summaries automatically"
  • TechCrunch: "Shortwave gets $9M to bring back Google Inbox"
  • The New Stack: "How Shortwave Wants To Reinvent Email With AI"
A Better Shortwave Alternative

Choose Revo if you’re ready for more than an AI writing assistant.

Shortwave’s Core Limitations

  • Gmail-only experience, no native Outlook support
  • No deep integrations with tools like Jira, Slack, or Salesforce
  • Limited automation beyond inbox-level actions
  • No cross-functional visibility

Where Revo Wins

With Intelligence Modules, your inbox understands real team context across Slack, Jira, CRM, and meetings – not just a single thread.