Shortwave
productivity
AI email client for Gmail that helps you reach inbox zero faster with AI search, summaries, and drafting.
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Shortwave vs Capacities
Compare Shortwave and Capacities side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Capacities
productivity
An object-based note app that organizes knowledge like your mind
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Shortwave
Capacities
Category
productivity
productivity
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Shortwave pros and cons
Powerful, genuinely useful AI search and summaries
Fast, keyboard-driven interface that feels like a modern successor to Google Inbox
Strong inbox organization with bundles, splits, and AI filters
Native desktop, iOS, and Android apps
Gmail and Google Workspace only, with no Outlook, IMAP, or Exchange support
Paid tiers are expensive compared with most email clients
Daily AI usage quotas can be hit by heavy users on lower tiers
Capacities pros and cons
Distinctive object-based organization model
Graph view visualizes connections
Block references link specific content
Balances structure with approachability
Object model takes adjustment for new users
Primarily individual, limited collaboration
No self-hosting
Which one should you choose?
Best overall signal
Shortwave
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Shortwave
Selected using free-plan availability and engagement signals.
Best for
Shortwave
- Gmail power users
- busy professionals
- sales and support teams
- inbox-zero seekers
- Gmail and Google Workspace power users
Capacities
- object-based knowledge management
- building a second brain
- connecting notes visually
- structured personal notes
- Structured thinkers and PKM enthusiasts
FAQ
Is Shortwave better than Capacities?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Shortwave and Capacities offer a free plan based on current Toolglade data.
Where can I find alternatives?
View Shortwave alternatives or view Capacities alternatives.