How do their growth rates compare?

Respond.io has a month-over-month growth rate of -8.7%; Zeli has -46.8%.

How does pricing compare?

Respond.io: Freemium. Freemium with a free trial. Paid tiers scale by users and monthly active contacts, and WhatsApp messaging fees are billed separately by the channel provider. Zeli: Free. Free. No account, no API key and no payment; the full site, the RSS feed and the machine-readable digests are all available at no cost.

What are alternatives to Respond.io and Zeli?

Other tools in related categories include Intercom, Gorgias, Crisp, Readray (formerly Lilys AI), AiSensy.

Head-to-Head Benchmark

Respond.io vs Zeli

Respond.io records 1,606,802 monthly visits with -8.7% month-over-month growth and Freemium pricing. Zeli records 56,147 monthly visits with -46.8% growth and Free pricing.

Respond.ioFreemiumTraffic Leader

AI-powered customer conversation platform for B2C messaging at scale

Monthly Visits

1.61M

MoM Velocity

-8.7%

Top Market

🇲🇾 Malaysia

View Respond.io Analysis

respond.io

ZeliFree

Hacker News and AI paper summaries in seven languages

Monthly Visits

56.15K

MoM Velocity

-46.8%

Top Market

🇨🇳 China

View Zeli Analysis zeli.app

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Respond.io	Zeli
Official Domain	respond.io	zeli.app
Pricing Model	Freemium	Free
Monthly Visits	1.61M (1,606,802)	56.15K (56,147)
MoM Traffic Delta

Primary Market & Share	🇲🇾 Malaysia (17.4%)	🇨🇳 China (65.1%)

Direct Visits / mo	1.24M	39.95K

User Rating	4.5	4.3

Supported Platforms	Website	Website

Respond.io

AI-powered customer conversation platform for B2C messaging at scale

Unified team inbox

Bring WhatsApp, TikTok, Instagram, Facebook, Telegram, email and web chat into one shared inbox so no customer thread gets lost between apps.

AI agents and automation

AI agents qualify leads, answer routine questions, route to the right teammate and follow up automatically when conversations go quiet.

Contact lifecycle CRM

Track tags, custom fields, lead status and lifecycle stage per contact, and move deals through a pipeline without a separate CRM.

Broadcast campaigns and click-to-chat

Reach thousands of customers with one message, and capture new leads directly from social ads and website links.

Strengths & Pros

+Genuinely broad channel coverage, including WhatsApp Business API and social apps B2C customers actually use
+AI agents handle routine qualification and follow-up work alongside, not instead of, human teammates
+Built-in contact CRM and pipelines reduce the need for a separate tool
+Multi-channel analytics make it easier to prove where revenue comes from

Frequently Asked Questions: Respond.io vs Zeli

Respond.io has 1,606,802 monthly visits, while Zeli has 56,147. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Intercom vs Respond.io

6.08M visits/mo

Intercom vs Zeli

4.53M visits/mo

Gorgias vs Respond.io

Best Alternatives to Respond.io & Zeli (12)

Limitations

–WhatsApp messaging costs are separate from the platform subscription and can add up
–Pricing scales with monthly active contacts, so high-volume contact lists get expensive
–Teams wanting deep custom workflow logic may hit the limits of the no-code builder

Zeli

Hacker News and AI paper summaries in seven languages

AI summaries on every Hacker News story

Each story carries a short summary generated from the linked article plus a standout key quote, so you can judge relevance before clicking through.

Seven-language translation

The whole feed — titles, summaries and top comment highlights — is available in English, Chinese, Japanese, Korean, German, Spanish and Russian.

Daily front-page archive

Every day gets a permanent page containing every story that hit the front page, retrievable long after the feed has moved on.

HuggingFace AI paper digests

Daily AI papers are surfaced with translated titles and AI summaries, making Zeli a research reader as well as a news reader.

Strengths & Pros

+Turns the Hacker News front page into a fast, scannable daily brief
+Seven languages with genuinely translated titles, summaries and comment highlights
+Permanent, citable story and daily archive pages that never expire
+Free, no signup, no API key, installable as a PWA
+Machine-readable .md digests, JSON endpoints and RSS for feeds and agents

Limitations

–Summaries are machine-generated and are not fact-checked by a human
–Real summaries exist only in seven languages — other locales fall back to English
–It covers Hacker News and HuggingFace papers only, not your own reading list or arbitrary URLs
–Keys off Hacker News ranking, so niche topics that never hit the front page are not included

01

Intercom

4.5M/mo

More advanced AI customer support agents and robust helpdesk features, but typically higher pricing than Respond.io.

AI AgentFree Trial, Paid+2.7%

Screenshot of the Intercom inbox where an AI agent and human reps work from the same customer record

02

Gorgias

2.7M/mo

SpecialistPurpose-built e-commerce helpdesk with deep Shopify integrations, but less generalized multi-channel routing than Respond.io.

AI AgentContact for Pricing+2.4%

Gorgias omnichannel inbox view with AI Agent and human agent tickets side by side

03

Crisp

1.4M/mo

Easier setup for live chat and shared inboxes, but less powerful automation workflow builder than Respond.io.

AI ChatbotFree Trial, Paid, Contact for Pricing, Free+1.5%

Crisp homepage presenting its AI customer support platform, Hugo AI agent, and shared inbox

#3

04

Readray (formerly Lilys AI)

967.1K/mo

A proactive AI reading lens for papers, videos, and web pages

AI SummarizerFreemium45% direct

Readray showing an AI summary of a research paper with cited source references

05

AiSensy

811.8K/mo

SpecialistAI-first WhatsApp marketing and engagement platform built on official WhatsApp Business APIs

AI MarketingFreemium61% direct

AiSensy interface with WhatsApp broadcast analytics, chatbot flow builder and live chat inbox

06

Tidio

527.3K/mo

Simpler chatbot builder and e-commerce integrations, but fewer advanced multi-channel routing options than Respond.io.

AI Customer ServiceFreemium73% direct

Tidio help desk inbox showing AI-resolved conversations alongside human agent replies

07

Callbell

488K/mo

Streamlined team inbox for WhatsApp and messaging apps, but lacks Respond.io's advanced AI agent workflow builder.

AI ChatbotFreemium, Free Trial, Paid, Contact for Pricing72% direct

Callbell inbox showing WhatsApp, Instagram and Messenger conversations with AI-suggested replies

08

Re:amaze

455.8K/mo

Solid multi-channel helpdesk and live chat features, but less sophisticated visual workflow automation than Respond.io.

AI Customer ServiceFree Trial, Paid, Contact for Pricing+3.6%

09

Summarizer.org

398.5K/mo

Free AI Summarizer for text, articles, URLs and images

AI SummarizerFreemium+1.3%

Screenshot of the Summarizer.org tool showing input options, the length slider and generated bullet-point summary

10

SleekFlow

348.1K/mo

Strong omnichannel routing across social messaging apps, but less extensive enterprise ticketing features than Respond.io.

AI AgentPaid, Contact for Pricing56% direct

SleekFlow unified inbox showing WhatsApp and Instagram conversations with linked CRM profiles

11

Gallabox

138.1K/mo

Excellent WhatsApp and social messaging automation, but smaller ecosystem of native CRM integrations than Respond.io.

AI ChatbotFree Trial, Contact for Pricing+3.1%

Gallabox homepage showing the omnichannel AI agent platform, the capture-to-retain customer journey stages, and supported channels

12

Paper Digest

97.2K/mo

AI-powered platform to read, write, and stay current with research

AI Research ToolFreemium27% direct

Screenshot of Paper Digest showing literature review and daily paper digest options

#1

Visit

Intercom

4.5M/mo+2.7%

Official

More advanced AI customer support agents and robust helpdesk features, but typically higher pricing than Respond.io.

AI Agent80% direct

Free Trial, Paid

#2

Visit

Gorgias

2.7M/mo+2.4%

Official

SpecialistPurpose-built e-commerce helpdesk with deep Shopify integrations, but less generalized multi-channel routing than Respond.io.

AI Agent78% direct

Contact for Pricing

Visit

Crisp

1.4M/mo+1.5%

Official

Easier setup for live chat and shared inboxes, but less powerful automation workflow builder than Respond.io.

AI Chatbot82% direct

Free Trial, Paid, Contact for Pricing, Free

Visit

Readray (formerly Lilys AI)

967.1K/mo

Official

A proactive AI reading lens for papers, videos, and web pages

AI Summarizer45% direct

Freemium

Visit

AiSensy

811.8K/mo

SpecialistAI-first WhatsApp marketing and engagement platform built on official WhatsApp Business APIs

AI Marketing61% direct

Freemium

Visit

Tidio

527.3K/mo

Simpler chatbot builder and e-commerce integrations, but fewer advanced multi-channel routing options than Respond.io.

AI Customer Service73% direct

Freemium

Visit

Callbell

488K/mo

Streamlined team inbox for WhatsApp and messaging apps, but lacks Respond.io's advanced AI agent workflow builder.

AI Chatbot72% direct

Freemium, Free Trial, Paid, Contact for Pricing

Visit

Re:amaze

455.8K/mo+3.6%

Official

Solid multi-channel helpdesk and live chat features, but less sophisticated visual workflow automation than Respond.io.

AI Customer Service67% direct

Free Trial, Paid, Contact for Pricing

Visit

Summarizer.org

398.5K/mo+1.3%

Free AI Summarizer for text, articles, URLs and images

AI Summarizer26% direct

Freemium

Visit

SleekFlow

348.1K/mo

Strong omnichannel routing across social messaging apps, but less extensive enterprise ticketing features than Respond.io.

AI Agent56% direct

Paid, Contact for Pricing

Visit

Gallabox

138.1K/mo+3.1%

Excellent WhatsApp and social messaging automation, but smaller ecosystem of native CRM integrations than Respond.io.

AI Chatbot75% direct

Free Trial, Contact for Pricing

Visit

Paper Digest

97.2K/mo

Official

AI-powered platform to read, write, and stay current with research

AI Research Tool27% direct

Freemium

Respond.io vs Zeli

Side-by-Side Traffic & Specification Matrix

Respond.io

Strengths & Pros

Frequently Asked Questions: Respond.io vs Zeli

How do Respond.io and Zeli compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to Respond.io and Zeli?

More Head-to-Head Matchups

Best Alternatives to Respond.io & Zeli (12)

Limitations

Zeli

Strengths & Pros

Limitations