Shortwave
What Shortwave is
Shortwave is a freemium AI email app for organizing, scheduling, writing, and searching messages with prompts. Its email tools include inbox splits, bundles, delivery schedules, email todos, summaries, AI filters, and AI-assisted search. Teams can share live email threads, add private comments, assign next steps, and use shared labels. The AI can connect with Slack, Calendar, Notion, Asana, and HubSpot; the pricing information also describes built-in integrations or MCP. Shortwave offers web, Windows, macOS, Android, and iOS access. A free plan is available, with paid plans from $30/user/mo and a 14-day trial. Business includes five years of AI search history, searches of up to 50 threads, and three AI-powered filters. Premier and Max provide unlimited history, with 100 and 150 thread limits and 10 and 50 filters. Shortwave says data is encrypted at rest with AES256 and in transit with TLS 1.2+, and customer data is not used to train third-party LLMs. It lists CASA Tier 2 compliance and annual third-party security audits.
Who it suits
Shortwave suits individuals and teams wanting AI-assisted business email across desktop, web, and mobile platforms. Teams can use shared threads, private comments, assigned next steps, and labels.
What it does well
- Free plan available
- AI-assisted search and summaries
- Shared threads and team comments
- Apps for web, desktop, and mobile
- Encrypted data and stated audit program
What to know first
- Paid plans start at $30/user/mo
- AI search and filter limits vary by plan
- Unified inbox is not available
- SOC 2 Type II or GDPR requests require contacting support
Limits
The free plan has no listed quota in these facts. Business includes five years of AI search history, up to 50 threads per search and three AI-powered filters; Premier and Max raise those limits as specified by their plans.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Business | per seat / month · 5 years AI search history · Max 50 threads per AI search · 3 AI-powered filters · Standard intelligence | $30 a month |
| Premier | per seat / month · Unlimited AI search history · Max 100 threads per AI search · 10 AI-powered filters · Advanced intelligence | $45 a month |
| Max | per seat / month · Unlimited AI search history · Max 150 threads per AI search · 50 AI-powered filters · Expert intelligence | $120 a month |
As shortwave.com lists them, read 4 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Shortwave website
- Choose the free plan or a paid plan
- Use the 14-day trial if selecting a paid service
- Install or open Shortwave on Android, iOS, macOS, Windows or the web
- Connect supported apps such as Slack, Calendar, Notion, Asana or HubSpot
Verdict
Shortwave combines prompt-based email organization with team collaboration and broad app coverage. Its paid tiers mainly change AI search history, thread limits, and filter counts.
Questions
Is there a free plan?
Yes. Shortwave lists a free plan and a 14-day trial.
What does the paid service cost?
Paid plans start at $30/user/mo. Business is $30 a month per seat, Premier is $45 a month per seat, and Max is $120 a month per seat.
Which platforms are supported?
Shortwave is available on Android, iOS, macOS, Windows and the web.
Which integrations are listed?
The AI can connect with Slack, Calendar, Notion, Asana and HubSpot. The pricing information also describes built-in integrations or MCP.
Is customer data used to train third-party language models?
Shortwave says customer data is not used to train third-party LLMs.
What security information is provided?
Shortwave describes CASA Tier 2 compliance, annual third-party security audits, AES256 encryption at rest and TLS 1.2+ encryption in transit.
Facts from Shortwave's own pages
- AI filter limits
- The plans list 3 AI-powered filters for Business, 10 for Premier, and 50 for Max. · shortwave.com, 4 Oct 2026
- AI search limits
- The Business plan includes five years of AI search history and up to 50 threads per AI search; Premier and Max include unlimited AI search history and caps of 100 and 150 threads respectively. · shortwave.com, 4 Oct 2026
- AI subprocessors
- Shortwave lists Google Cloud, OpenAI, Anthropic, and Pinecone as its current subprocessors besides Google Cloud hosting, and says it minimizes data shared with them. · shortwave.com, 4 Oct 2026
- App coverage
- all · shortwave.com, 21 Sept 2026
- Calendar tools
- Yes · shortwave.com, 21 Sept 2026
- Compliance requests
- Organizations requiring SOC 2 Type II or GDPR compliance are directed to contact Shortwave support. · shortwave.com, 4 Oct 2026
- Data protection
- Shortwave says stored data is encrypted at rest with AES256 and in transit with TLS 1.2+, and customer data is not used to train third-party LLMs. · shortwave.com, 4 Oct 2026
- Email tools
- Features include inbox splits, bundles, delivery schedules, email todos, summaries, AI filters, and AI-assisted search. · shortwave.com, 4 Oct 2026
- Free plan
- Yes · shortwave.com, 21 Sept 2026
- Integrations
- The AI can connect with apps including Slack, Calendar, Notion, Asana, and HubSpot; the pricing page also describes built-in integrations or MCP. · shortwave.com, 4 Oct 2026
- Intended users
- Shortwave says it is initially focused on email as a business communications app and describes its goal as serving users who want AI alongside business communications. · shortwave.com, 4 Oct 2026
- Platforms
- The download page offers iOS, Android, macOS, and Windows apps and links to other desktop platforms; Shortwave also offers a web app. · shortwave.com, 4 Oct 2026
- Product
- Shortwave is an AI email app that helps users organize, schedule, write, and search email using prompts. · shortwave.com, 4 Oct 2026
- Security
- Shortwave says it has CASA Tier 2 compliance and undergoes an annual third-party security audit. · shortwave.com, 4 Oct 2026
- Scheduled sending
- Yes · shortwave.com, 21 Sept 2026
- Paid from
- 30 · shortwave.com, 21 Sept 2026
- Support
- The pricing page describes plan support as direct help from a real person on the Shortwave team. · shortwave.com, 4 Oct 2026
- Team collaboration
- Teams can share live email threads, comment privately, assign next steps, and use shared labels. · shortwave.com, 4 Oct 2026
- Unified inbox
- No · shortwave.com, 21 Sept 2026
Where Shortwave stands on Freedom251
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- AI Email Assistants#17 of 46
- AI Personal Assistants#21 of 54