Top 8 Shortwave Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like Shortwave. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
Shortwave
An AI-first email app that automates inbox organization, summarization, drafting, and team collaboration.
Starts at $0 / per seat / month
Competitors
#1 Est. 2014 • 51-200 employees • PrivateSuperhuman
Best for SMBsA premium, AI-enhanced email client focused on speed and productivity for professionals and teams.
Starts at $30 / per user / month
Has a free trial
#2 Spark
Best for SMBsA cross-platform email client with AI features and team collaboration tools (shared inbox, shared drafts) that speeds inbox triage and prioritization.
Starts at $4.99 / per user / monthly
#3 Canary Mail
Best for power usersA privacy-focused, cross-platform email client with built-in AI copilot features and tools aimed at improving triage and secure email for professionals.
Starts at $3 / per user / monthly
#4 Spike
Best for SMBsA conversational, chat-like email client that emphasizes fast triage, one‑swipe actions, and team Teamspace collaboration.
Starts at $4 / per user / monthly
- Est. 2025 • 1 employee • Private
ChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. So you always know what your competitors are up to.
Starts at $39 / month
Has a free trial
#5 Est. 2015 • 11-50 employees • PrivateMissive
Best for SMBsCollaborative inbox and team chat built around email that enables shared mailboxes, internal discussion and workflow automation for small teams.
Starts at $14 / per user / month
Has a free trial
#6 Est. 2013 • 201-1k employees • PrivateFront
Best for mid-market companiesCollaborative inbox and workflow platform that centralizes email, chat, and messaging with automation and AI for support and sales teams.
Starts at $19 / per user / month
Has a free trial
#7 Est. 2010 • 11-50 employees • PrivateSaneBox
Best for power usersEmail filtering and prioritization service that moves unimportant messages out of the inbox and provides digests, snooze, and unsubscribe features for busy professionals.
Starts at $7 / per user / month
Has a free trial
#8 Est. 2014 • 11-50 employees • PrivateClean Email
Best for power usersSubscription email‑cleaning service that groups messages, supports bulk unsubscribes and digests, and emphasizes privacy (free trial + paid plans).
Starts at $9.99 / per account / month
Has a free trial
Market overlap
Asymmetric competition means that Shortwave is a competitor of these companies, but they are not necessarily competitors of Shortwave.
Est. 2025 • 11-50 employees • PrivateHeyHelp
Best for SMBsAn AI executive assistant that lives inside Gmail to auto-sort mail, highlight priorities, draft replies in your voice, block cold pitches, and learn your inbox patterns.
Starts at $0 / per user / month
Est. 2024 • 1 employee • PrivateAskolt
Best for SMBsAskolt is an AI email assistant that drafts and sends messages, asks follow‑up questions, and organizes replies for creative industry managers.
Starts at $0 / month
Saldor
Best for power usersVoice-first executive assistant that lets you manage email and calendar hands-free on iOS (works with Gmail and Outlook).
Starts at $0 / monthly
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