Superhuman vs Smart Inbox AI vs Shortwave vs Spark Mail

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Superhuman
vs
Competitor 1
Smart Inbox AI
Competitor 2
Shortwave
Competitor 3
Spark Mail
Compare
4 tools · best value per row highlighted
Your tool Superhuman
superhuman.com
Email at the speed of thought
Remove
Competitor Smart Inbox AI
smartinbox.ai
Email chaos takes up too much of your day
Make main Remove
Competitor Shortwave
shortwave.com
Shortwave is an AI email client that puts an assistant inside the inbox.
Make main Remove
Competitor Spark Mail
sparkmailapp.com
Spark Mail is a fast, cross-platform email app built to filter out noise so the messages that matter stand out first.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
5.4Mvisits/mo
615visits/mo
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MoM change
▲ 9.2%
▲ 9.2%
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6-month growth
+61.7%
+66.2%
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Global rank web
#6,816
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Avg. last 3 months
4.4M
476
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Bounce rate lower is better
29%
41%
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Pages / visit
14.5
1.0
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Visit duration
11m 47s
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Traffic sources
● Direct 88% · ● Mail 7%
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SuperhumanSmart Inbox AIShortwaveSpark Mail
01.3M2.7M4M5.4MSuperhuman · 3.5MSuperhuman · 3.4MSuperhuman · 3.4MSuperhuman · 3.1MSuperhuman · 3.3MSuperhuman · 3.2MSuperhuman · 3.3MSuperhuman · 2.8MSuperhuman · 4.9MSuperhuman · 5.4MSmart Inbox AI · 370Smart Inbox AI · 446Smart Inbox AI · 237Smart Inbox AI · 250Smart Inbox AI · 563Smart Inbox AI · 6151001K10K100K1M10MSuperhuman · 3.5MSuperhuman · 3.4MSuperhuman · 3.4MSuperhuman · 3.1MSuperhuman · 3.3MSuperhuman · 3.2MSuperhuman · 3.3MSuperhuman · 2.8MSuperhuman · 4.9MSuperhuman · 5.4MSmart Inbox AI · 370Smart Inbox AI · 446Smart Inbox AI · 237Smart Inbox AI · 250Smart Inbox AI · 563Smart Inbox AI · 615Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free Trial
Freemium
Starting price
€12per month · free tier available
$10per month
$30per month
€8.25per month · free tier available
Free tier
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Free trial
API access
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Plans
Free CustomPro €12/moBusiness €33/moEnterprise Custom
Basic $10/moSmall Business $110/moProfessional $400/mo
Business $30/moPremier $45/moMax $120/mo
Free FreePlus €8.25/moPro €19.08/moEnterprise Custom
Capabilities input → output
Input
Text
Text
DocumentsText
Text
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI AssistantAI Email Assistant+1 more
Productivity & OfficeAI Email AssistantAI Reply
Productivity & OfficeAI AssistantAI Email Assistant
Productivity & OfficeAI Email Assistant
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
10
10
8
Email management
Email
Email writing
Email automation
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Email enhancement
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Email replies
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Team collaboration
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Email summaries
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Kanban management
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Productivity
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Writing
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Agents
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Customer service emails
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Email follow-ups
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Email thread analysis
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Email tracking
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Meeting scheduling
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Summarizing
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Task management
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Translations
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 0
▲ 0
▲ 0
Saves
0
0
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0
Reviews
0
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Prompts
0
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.