Shortwave vs Stack AI vs Langflow vs Superhuman

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

Your tool
Shortwave
vs
Competitor 1
Stack AI
Competitor 2
Langflow
Competitor 3
Superhuman
Compare
4 tools · best value per row highlighted
Your tool Shortwave
shortwave.com
Shortwave is an AI email client that puts an assistant inside the inbox.
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Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor Superhuman
superhuman.com
Email at the speed of thought
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
215.3Kvisits/mo
5.4Mvisits/mo
MoM change
—
▼ 57.9%
▼ 0.7%
▲ 9.2%
6-month growth
—
-93.7%
-4.9%
+61.7%
Global rank web
—
#1,700,092
#217,191
#6,816
Avg. last 3 months
—
13.9K
225.2K
4.4M
Bounce rate lower is better
—
39%
44%
29%
Pages / visit
—
1.8
2.2
14.5
Visit duration
—
14s
1m 04s
11m 47s
Traffic sources
—
—
● Direct 76% · ● Referral 24%
● Direct 88% · ● Mail 7%
ShortwaveStack AILangflowSuperhuman
01.3M2.7M4M5.4MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KSuperhuman · 3.5MSuperhuman · 3.4MSuperhuman · 3.4MSuperhuman · 3.1MSuperhuman · 3.3MSuperhuman · 3.2MSuperhuman · 3.3MSuperhuman · 2.8MSuperhuman · 4.9MSuperhuman · 5.4M1K10K100K1M10MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KSuperhuman · 3.5MSuperhuman · 3.4MSuperhuman · 3.4MSuperhuman · 3.1MSuperhuman · 3.3MSuperhuman · 3.2MSuperhuman · 3.3MSuperhuman · 2.8MSuperhuman · 4.9MSuperhuman · 5.4MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free Trial
Freemium
Free
Freemium
Starting price
$30per month
Free tier
Free
€12per month · free tier available
Free tier
–
Free trial
–
API access
–
–
Plans
Business $30/moPremier $45/moMax $120/mo
—
—
Free CustomPro €12/moBusiness €33/moEnterprise Custom
Capabilities input → output
Input
DocumentsText
DataDocumentsText
Text
Text
Output
Text
Apps
Apps
Text
Skill level
Intermediate
Intermediate
Advanced
Beginner-friendly
Categories
Productivity & OfficeAI AssistantAI Email Assistant
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Productivity & OfficeWriting & ContentAI AssistantAI Email Assistant+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
10
7
9
7
Agents
–
–
Email management
–
–
No-code
–
–
Email
–
–
Email writing
–
–
Workflows
–
–
Agent creation
–
–
Email automation
–
–
Email enhancement
–
–
Business automation
–
–
–
Chatbots
–
–
–
Developer tools
–
–
–
Development
–
–
–
Email replies
–
–
–
LLM development
–
–
–
Process automation
–
–
–
Productivity
–
–
–
Writing
–
–
–
APIs
–
–
–
Email tracking
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–
–
Finance workflow automation
–
–
–
Meeting scheduling
–
–
–
Task management
–
–
–
Team collaboration
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 2
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

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.