How do their growth rates compare?

Chainrel has a month-over-month growth rate of 0%; Superhuman has +7.9%.

How does pricing compare?

Chainrel: Freemium. Freemium. A free Starter tier gives 500 notifications/month and 1 webhook. Growth is roughly $19.90/month (billed annually, +VAT) for 100,000 notifications and 10 webhooks, with per-notification overage pricing and a custom enterprise option. Superhuman: Paid. Paid product with plans for individuals, teams, and enterprises; see the official pricing page for current seat prices and included features.

What are alternatives to Chainrel and Superhuman?

Other tools in related categories include Missive, Spark Mail, BlueMail, Fyxer, Shortwave.

Head-to-Head Benchmark

Chainrel vs Superhuman

Chainrel records 0 monthly visits with 0% month-over-month growth and Freemium pricing. Superhuman records 6,514,241 monthly visits with +7.9% growth and Paid pricing.

ChainrelFreemium

Real-time blockchain event webhooks for your backend

Monthly Visits

0

MoM Velocity

0%

Top Market

🌐 Global

View Chainrel Analysis

chainrel.com

SuperhumanPaidTraffic Leader

The AI productivity suite with agents, email, and docs that work wherever you do

Monthly Visits

6.51M

MoM Velocity

+7.9%

Top Market

🇺🇸 United States

View Superhuman Analysis superhuman.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Chainrel	Superhuman
Official Domain	chainrel.com	superhuman.com
Pricing Model	Freemium	Paid
Monthly Visits	0 (0)	6.51M (6,514,241)
MoM Traffic Delta

Primary Market & Share	🌐 Global (—)	🇺🇸 United States (56.8%)

Direct Visits / mo	0	4.96M

User Rating	4.1	4.5

Supported Platforms	Website	Website

Chainrel

Real-time blockchain event webhooks for your backend

Real-time blockchain webhooks

Deliver smart contract events straight to your backend URL as JSON, so you avoid building and hosting your own indexer.

Multi-chain EVM support

Listen to events on Ethereum, Polygon, Binance Smart Chain and Avalanche C-Chain, with mainnet and testnet endpoints.

ABI and contract import

Subscribe using a verified contract address or ABI file, or pick from built-in ERC-20, ERC-721 and ERC-1155 event templates.

Block confirmation safety

Choose how many confirmations must pass before a notification is sent, protecting your workflow from blockchain reorganizations.

Strengths & Pros

+Sends events to webhook, Slack or Discord without custom indexer code
+Adjustable block-confirmation threshold guards against chain reorganizations
+Factory contract support covers dynamically created child contracts
+Free tier is enough to prototype, with simple usage-based overage pricing

Limitations

Frequently Asked Questions: Chainrel vs Superhuman

Chainrel has 0 monthly visits, while Superhuman has 6,514,241. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Chainrel vs Missive

631.35K visits/mo

Missive vs Superhuman

7.15M visits/mo

Chainrel vs Spark Mail

435.23K visits/mo

Spark Mail vs Superhuman

6.95M visits/mo

BlueMail vs Chainrel

319.81K visits/mo

BlueMail vs Superhuman

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Best Alternatives to Chainrel & Superhuman (12)

–Optimism and Linea were still marked 'coming soon' rather than live
–Notification channels are limited to webhook, Slack and Discord, with Telegram and Zapier pending
–Exceeding the notification quota pauses delivery until the next cycle or extra credits are bought

Superhuman

The AI productivity suite with agents, email, and docs that work wherever you do

AI that works everywhere

Superhuman Go brings AI agents into the tools and tabs you already use, with inline suggestions and context-aware chat.

Fast, AI-assisted email

Auto drafts, split inbox, auto labels, and auto archive keep your inbox manageable with minimal manual filing.

Superhuman Docs

Collaborative documents that hold text, tables, data, and workflows in one connected surface.

No-code agent builder

Describe what you need in chat or use a visual builder, then share agents with teammates or a company directory.

Strengths & Pros

+AI assistance extends beyond email into documents and daily apps
+Well-known speed and keyboard-driven design in the mail client
+No-code agent builder with 100+ prebuilt agents to start from
+Enterprise controls and integrations with Gmail, Calendar, and workplace tools

Limitations

–

Premium pricing compared with standard email clients

–The suite has grown complex, so onboarding takes effort

–Best value requires adopting multiple parts of the platform

01

Missive

631.4K/mo

Combines shared inboxes and team chat with AI assistance, but feels less optimized for solo speed.

AI Writing AssistantsFree Trial, Paid76% direct

Missive shared inbox showing internal comments, assigned tasks, and team coordination on an email

#1

02

Spark Mail

435.2K/mo

Provides a smart inbox and AI writing tools across devices, but offers less advanced custom triage shortcuts.

AI Email AssistantFreemium, Free Trial46% direct

03

BlueMail

319.8K/mo

Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.

AI Email AssistantFree36% direct

BlueMail desktop app with clustered messages, integrated calendar and GemAI compose panel

#3

04

Fyxer

298.3K/mo

SpecialistAn AI executive assistant that works across your inbox, calendar and meetings

AI AssistantFree Trial, Paid44% direct

Fyxer AI assistant generating a morning briefing and meeting agenda

05

Shortwave

193.3K/mo

Offers an AI-native email client with automated summaries and bundles, but lacks Superhuman's extreme speed focus.

AI Email AssistantFreemium, Free Trial81% direct

Shortwave inbox interface with AI bundles, shared threads and a calendar sidebar

06

Surf

116.3K/mo

Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.

AI CryptoFree, Pro, Max, API credits76% direct

Surf chat interface showing a crypto research question answered with cited market and onchain sources

07

Spike

93.5K/mo

Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.

AI Email AssistantFreemium39% direct

Spike inbox view with AI summaries and chat-style email threads

08

Inbox Zero

89.3K/mo

Free / Open-sourceProvides an open-source AI assistant for email sorting and cold email blocking, requiring self-hosting for full control.

AI Email AssistantFreemium, Free Trial+6.8%

Inbox Zero analytics dashboard showing which senders email you most

09

ChainGPT

71.2K/mo

Blockchain AI suite for crypto research, smart contracts, and Web3 automation

AI CryptoFreemium43% direct

ChainGPT homepage showing the Web3 AI chatbot and blockchain AI tool suite

10

Mailbutler Smart Assistant AI panel inside an email client with options to draft a reply, summarize a thread, and adjust tone

Smart Assistant by Mailbutler

47.2K/mo

SpecialistAdds AI drafting and tracking directly inside native Apple Mail or Outlook clients instead of a standalone app.

AI Email AssistantFreemium, Free Trial, Paid39% direct

Smart Assistant by Mailbutler interface preview

11

FiloMail

35.5K/mo

Aggregates multiple email accounts with AI thread summaries and automatic task extraction, but lacks enterprise calendar polish.

AI Email AssistantFreemium26% direct

FiloMail interface with AI thread summary, smart labels and to-do panel

12

Namefi

27.2K/mo

SpecialistAn ICANN-accredited domain registrar built for AI agents and onchain ownership.

BlockchainFreemium+8.7%

Namefi dashboard showing tokenized domains, marketplace, and agent MCP tools

Visit

Missive

631.4K/mo

Combines shared inboxes and team chat with AI assistance, but feels less optimized for solo speed.

AI Writing Assistants76% direct

Free Trial, Paid

#2

Visit

Spark Mail

435.2K/mo

Official

Provides a smart inbox and AI writing tools across devices, but offers less advanced custom triage shortcuts.

AI Email Assistant46% direct

Freemium, Free Trial

Visit

BlueMail

319.8K/mo

Official

Delivers cross-platform AI email management with strong privacy focus, but has a more traditional interface.

AI Email Assistant36% direct

Free

Visit

Fyxer

298.3K/mo

Official

SpecialistAn AI executive assistant that works across your inbox, calendar and meetings

AI Assistant44% direct

Free Trial, Paid

Visit

Shortwave

193.3K/mo

Offers an AI-native email client with automated summaries and bundles, but lacks Superhuman's extreme speed focus.

AI Email Assistant81% direct

Freemium, Free Trial

Visit

Surf

116.3K/mo

Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.

AI Crypto76% direct

Free, Pro, Max, API credits

Visit

Spike

93.5K/mo

Transforms email threads into conversational chat workspaces with AI summaries, but changes the traditional email layout.

AI Email Assistant39% direct

Freemium

Visit

Inbox Zero

89.3K/mo+6.8%

Open Source

Free / Open-sourceProvides an open-source AI assistant for email sorting and cold email blocking, requiring self-hosting for full control.

AI Email Assistant29% direct

Freemium, Free Trial

Visit

ChainGPT

71.2K/mo

Blockchain AI suite for crypto research, smart contracts, and Web3 automation

AI Crypto43% direct

Freemium

Visit

Smart Assistant by Mailbutler

47.2K/mo

Official

SpecialistAdds AI drafting and tracking directly inside native Apple Mail or Outlook clients instead of a standalone app.

AI Email Assistant39% direct

Freemium, Free Trial, Paid

Visit

FiloMail

35.5K/mo

Aggregates multiple email accounts with AI thread summaries and automatic task extraction, but lacks enterprise calendar polish.

AI Email Assistant26% direct

Freemium

Visit

Namefi

27.2K/mo+8.7%

SpecialistAn ICANN-accredited domain registrar built for AI agents and onchain ownership.

Blockchain39% direct

Freemium

Chainrel vs Superhuman

Side-by-Side Traffic & Specification Matrix

Chainrel

Strengths & Pros

Limitations

Frequently Asked Questions: Chainrel vs Superhuman

How do Chainrel and Superhuman compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to Chainrel and Superhuman?

More Head-to-Head Matchups

Best Alternatives to Chainrel & Superhuman (12)

Superhuman

Strengths & Pros

Limitations