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Respond.io VS CheckNumber.AI

Compare Respond.io VS CheckNumber.AI and see what are their differences

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Respond.io logo Respond.io

Turn Every Conversation into Business Results

CheckNumber.AI logo CheckNumber.AI

CheckNumber.AI provides professional and free WhatsApp number check online service, and provides a professional WhatsApp Number Checker API that can quickly check and detect WhatsApp number in bulk.
  • Respond.io Landing page
    Landing page //
    2023-04-01

Respond.io is AI-powered Customer Conversation Management Software designed for B2C companies looking to increase revenue by growing their first chat conversion rate & returning customer rate by building exceptional customer experiences through messaging.

We unify all key instant messaging channels (WhatsApp, Instagram DM, Facebook Messenger & more) with legacy channels (email, SMS & webchat) into one easy-to-use workspace.

Respond.io includes an omni-channel inbox, a visual workflows builder that automates messaging and business processes holistically, and comprehensive reporting capabilities.

• Marketing via Click-to-Chat Advertising, Lead Generation, Instant Message Broadcast & Promotional Messaging. • Improved customer experiences with Respond AI-powered conversations. • Handling Inbound Conversations with multiple users from sales, support & other teams. • Transactional Notifications with interactive elements for confirmation, feedback collection and other use cases.

  • CheckNumber.AI WA Number Checker
    WA Number Checker //
    2025-02-19
  • CheckNumber.AI WhatsApp Number Checker API Pricing
    WhatsApp Number Checker API Pricing //
    2025-03-13

CheckNumber.AI provides WhatsApp Number Checker API that enables users to bulk verify whether phone numbers have active WhatsApp accounts. The service provides detailed information about each account's status, including activity levels and regional data.

Key Features

• Bulk Verification: Users can validate multiple WhatsApp numbers simultaneously, making it ideal for businesses with large contact lists. • CSV File Support: The platform allows users to upload CSV files containing phone numbers for automatic processing. • High Accuracy and Speed: The validation system ensures 100% accuracy and delivers results in seconds. • Global Coverage: Supports WhatsApp number validation from any country, accommodating all international phone formats. • History Tracking: Users can access a comprehensive history of previous validations. • Export Options: Results can be exported to CSV files, categorized by success or failure.

Respond.io features and specs

  • Multi-channel messaging
    Respond.io supports multiple messaging platforms such as Facebook Messenger, WhatsApp, Telegram, and more, allowing businesses to manage all customer interactions from a single interface.
  • Centralized platform
    It offers a centralized platform to track and manage customer communications, providing a unified view of all interactions and simplifying customer service tasks.
  • Automation capabilities
    Respond.io includes automation features such as chatbots and automated workflows, which help reduce response times and improve efficiency in handling repetitive tasks.
  • Customizable interface
    The platform is customizable, allowing businesses to tailor the interface and functionalities to fit their specific needs and branding requirements.
  • Analytics and reporting
    Respond.io offers analytics and reporting tools to monitor performance, gain insights into customer interactions, and assess the effectiveness of communication strategies.

Possible disadvantages of Respond.io

  • Learning curve
    The platform may have a learning curve, especially for users who are new to multi-channel messaging solutions or automation tools.
  • Pricing
    Depending on the size of the business and the specific needs, the pricing structure of Respond.io might be a concern for smaller businesses or startups with limited budgets.
  • Integration complexity
    While Respond.io offers various integrations, setting them up might require technical knowledge and can be complex, especially for users without a tech background.
  • Limited free features
    The free tier of Respond.io may have limited features, necessitating an upgrade to a paid plan to access more advanced functionalities and support larger teams.

CheckNumber.AI features and specs

  • Efficiency
    CheckNumber.AI provides efficient number verification, cutting down the time needed for manual checks of large datasets.
  • Accuracy
    The AI-driven verification process ensures a high level of accuracy in confirming that numbers are valid and properly formatted.
  • Integration
    It can be easily integrated with existing systems and workflows, enhancing the automation of data processing tasks.
  • Scalability
    CheckNumber.AI's cloud-based service is scalable, allowing it to handle both small and large volumes of data efficiently.

Possible disadvantages of CheckNumber.AI

  • Cost
    The service might be costly for small businesses or individual users, especially if required for only occasional use.
  • Data Privacy
    Concerns may arise regarding the privacy and security of data being processed, especially if the numbers include sensitive information.
  • Dependency on Internet
    As a cloud-based service, CheckNumber.AI requires a stable internet connection, making it less ideal for environments with limited connectivity.
  • Learning Curve
    New users may experience a learning curve in understanding and effectively implementing the service within their systems.

Category Popularity

0-100% (relative to Respond.io and CheckNumber.AI)

Respond.io

CheckNumber.AI

Customer Support
100 100%
Customer Support
0% 0
WhatsApp
0 0%
WhatsApp
100% 100
AI
79 79%
AI
21% 21
CRM
100 100%
CRM
0% 0

Questions and Answers

As answered by people managing Respond.io and CheckNumber.AI.

How would you describe your primary audience?

Respond.io's answer

Respond.io is for growing B2C companies who prioritize delivering exceptional customer experiences through messaging.

Why should a person choose your product over its competitors?

Respond.io's answer

Respond.io is capable of handling high volumes without any slowdowns or downtime and can accommodate even the most complex businesses and implementations. Additionally, we offer highly flexible and customizable integration options.

User comments

Share your experience with using Respond.io and CheckNumber.AI. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Respond.io and CheckNumber.AI

Respond.io Reviews

10 Best WATI Alternatives & Competitors in 2024 (Affordable & Best)
Need more than just the WhatsApp Business API? Respond.io offers an omnichannel platform for enterprises seeking a comprehensive WhatsApp marketing solution. By integrating your existing support system with Respond.io you can easily manage your customer inquiries and support requests. Although Respond.io may come with a higher price point due to its features designed for...
Source: doubletick.io

CheckNumber.AI Reviews

  1. draculazmm
    very good tool for whatsapp number check

    I found this website on Google, uploaded 100,000 numbers, and got the results in under 3 minutes. I'm very satisfied, the efficiency is amazing.

Social recommendations and mentions

Based on our record, Respond.io seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Respond.io mentions (4)

  • 11 Best WhatsApp Marketing Software in 2023 to Send Bulk Messages
    However, this approach only makes sense if you need a centralized tool for running promotions across several messengers (Facebook Messenger, WhatsApp, WeChat, LINE, Telegram, etc.) at once. Since both 360dialog and Respond.io | #1 Business Messaging Platform for All Channels will be charging monthly fees for using their services, it’s more cost-effective to choose an official WhatsApp Partner that doesn’t require... Source: about 2 years ago
  • Auto follow up with more messages when the previous message read - WhatsApp
    Https://respond.io/ I’ve been using this for my company. I don’t think it can do it based on read status but maybe it can. Source: over 3 years ago
  • Basic stack for a new real estate company
    Unified communications (whatsapp, telegram, instagram, etc) - respond.io. Source: over 3 years ago
  • Service/device providing call-center like functionality
    What I could also recommend is something like respond.io for managing your support messaging platform. Source: about 4 years ago

CheckNumber.AI mentions (0)

We have not tracked any mentions of CheckNumber.AI yet. Tracking of CheckNumber.AI recommendations started around Feb 2025.

What are some alternatives?

When comparing Respond.io and CheckNumber.AI, you can also consider the following products

WATI - No-code chatbot builder for WhatsApp Business

Ekycpro WhatsApp Number Checker API - Our WhatsApp number checker API allows you to bulk check online if a phone number has an active WhatsApp account. The API also provides information about the WA account's status.

AiSensy - Whatsapp Chatbot, CRM & Marketing

2Chat.co - WhatsApp automation for teams: connect WhatsApp Messenger and WhatsApp business to your workflows.

SleekFlow.io - Sell, convert & support better on chat

WA-Filter - Filter valid and invalid WhatsApp numbers effortlessly with WA-Filter, the ultimate Chrome Extension for accurate number identification and efficient contact management.

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