Superhuman vs Smart Inbox AI vs Spark Mail vs Notion 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
Spark Mail
Competitor 3
Notion 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 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
Competitor Notion Mail
notion.com
A sales director gets 200 emails daily
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
5.4Mvisits/mo
615visits/mo
—
173.2Mvisits/mo
MoM change
▲ 9.2%
▲ 9.2%
—
▲ 1.4%
6-month growth
+61.7%
+66.2%
—
+800.1%
Global rank web
#6,816
—
—
#165
Avg. last 3 months
4.4M
476
—
167.1M
Bounce rate lower is better
29%
41%
—
27%
Pages / visit
14.5
1.0
—
9.1
Visit duration
11m 47s
—
—
7m 42s
Traffic sources
● Direct 88% · ● Mail 7%
—
—
● Direct 94% · ● Referral 3%
SuperhumanSmart Inbox AISpark MailNotion Mail
043.3M86.6M129.9M173.2MSuperhuman · 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 · 615Notion Mail · 17.8MNotion Mail · 20.7MNotion Mail · 17.2MNotion Mail · 19.2MNotion Mail · 18.1MNotion Mail · 33.4MNotion Mail · 157.2MNotion Mail · 170.9MNotion Mail · 173.2M1001K10K100K1M10M100M1BSuperhuman · 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 · 615Notion Mail · 17.8MNotion Mail · 20.7MNotion Mail · 17.2MNotion Mail · 19.2MNotion Mail · 18.1MNotion Mail · 33.4MNotion Mail · 157.2MNotion Mail · 170.9MNotion Mail · 173.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
€12per month · free tier available
$10per month
€8.25per month · free tier available
$10per month · free tier available
Free tier
–
Free trial
–
API access
–
–
–
Plans
Free CustomPro €12/moBusiness €33/moEnterprise Custom
Basic $10/moSmall Business $110/moProfessional $400/mo
Free FreePlus €8.25/moPro €19.08/moEnterprise Custom
Free FreePlus $10/moBusiness $20/moEnterprise Custom
Capabilities input → output
Input
Text
Text
Text
Text
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Intermediate
Categories
Productivity & OfficeWriting & ContentAI AssistantAI Email Assistant+1 more
Productivity & OfficeAI Email AssistantAI Reply
Productivity & OfficeAI Email Assistant
Productivity & OfficeAI Email Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
4
2
6
Email management
Email
–
Email writing
–
Email automation
–
Email replies
–
–
Email enhancement
–
–
–
Productivity
–
–
–
Writing
–
–
–
Gmail email management
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 0
▲ 0
▲ 1
Saves
0
0
0
1
Reviews
0
0
0
0
Prompts
0
0
0
0
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.