


Tired of your emails landing in the spam folder? You’re not alone.
It’s a common problem that can seriously hurt your negocio.
But what if there was a way to ensure your emails reach your customers’ inboxes?
Ahí es donde email warmup warmup comes in.
Two of the most popular options are Hunter io vs Warmbox.
In this article, we’ll explain the key differences between these powerful tools so you can choose the best one for your needs and improve your email deliverability.
Descripción general
We’ve put Hunter.io and Warmbox to the test, using them to find emails, verify addresses, and warm up our inboxes.
After weeks of hands-on experience, we’re ready to share our insights.
This in-depth comparison will help you decide which tool is the right fit for your email outreach needs.

Want to find anyone’s email address in seconds? ✨ Hunter.io has over 100 million email addresses.
Precios: Free plan is available. The premium plan starts at $49/month.
Características principales:
- Domain Search
- Email verification
- Extensión de Chrome

Ready to give Warmbox a try? Sign up for a free trial and see how it can improve your email deliverability and acceptance!
Precios: 30% discount for 1 year on any plan. Pricing Plan Starts at $19/month.
Características principales:
- Calentamiento automático
- Email Content Analysis
- Deliverability Reports
What is Hunter io?
Ever wished you had a magic tool to find anyone’s email address? That’s Hunter io!
It’s super easy to use. Just type in a person’s name and their company’s website. Boom!
You have their email. It also verifies emails so you know they’re real, keeping your emails from bouncing. Pretty cool, right?
Además, explora nuestros favoritos Hunter io alternatives…

Nuestra opinión

Hunter IO es una opción sólida para encontrar y verificar direcciones de correo electrónico. Sus puntos fuertes son la sencillez y la precisión. Sin embargo, sus limitadas funciones de divulgación y su restrictivo plan gratuito pueden ser inconvenientes para algunos usuarios.
Beneficios clave
- Encuentre direcciones de correo electrónico en segundos con gran precisión.
- Verifique las direcciones de correo electrónico para evitar rebotes.
- Envíe campañas de divulgación con correos electrónicos personalizados.
- Se integra con los populares CRM y herramientas de marketing por correo electrónico.
- Plan gratuito disponible para necesidades a pequeña escala.
Precios
Hunter ofrece un plan gratuito y tres planes de pago:
- Gratis: 25 búsquedas al mes.
- Woodpecker 与 Warmbox:2025 年最佳电子邮件预热工具 21 $34 al mes para 500 búsquedas al mes.
- Crecimiento: $104 al mes para 5000 búsquedas al mes.
- Escala: 209 al mes por 50.000 búsquedas al mes.
- Empresa: Precios personalizados.

Ventajas
Contras
¿Qué es Warmbox?
Do you want your emails actually to get read? Then, you need to warm up your bandeja de entrada.
Warmbox is like a personal trainer for your email. It sends emails from your account to a network of actual inboxes.
This builds up your sender’s reputation. And guess what?
A good sender reputation means more emails land in the primary inbox. It’s like magic, but it’s just innovative technology!
Además, explora nuestros favoritos Alternativas a Warmbox…

Nuestra opinión

Warmbox es una herramienta valiosa para mejorar la capacidad de entrega del correo electrónico, pero sus funciones limitadas y posibles problemas de rendimiento pueden ser inconvenientes para algunos usuarios.
Beneficios clave
- Calentar las cuentas de correo electrónico para mejorar la capacidad de entrega.
- Automatiza el proceso de envío y recepción de correos electrónicos.
- Supervise la reputación de su remitente e identifique posibles problemas.
- Se integra con proveedores de correo electrónico populares.
- Ofrece una prueba gratuita para probar la plataforma.
Precios
Warmbox ofrece cuatro planes pagos:
- Solo: $15 por mes por un calentamiento de la bandeja de entrada.
- Puesta en marcha: $69 al mes por tres calentamientos de bandeja de entrada.
- Crecimiento: $139 por mes para el calentamiento de seis bandejas de entrada.
- Equipo: Precios personalizados.

Ventajas
Contras
Comparación de características
Warmbox and Apolo serve different purposes in the sales workflow. T
his comparison will highlight the strengths of each platform, helping you understand whether you need a dedicated email warm up service or a more comprehensive sales engagement tool.
1. Objetivo principal
- Hunter: Hunter is primarily an email finder tool and email verifier tool. Its main purpose is to help users find all the email addresses associated with a company website or by name, and then verify email addresses for accuracy.
- Warmbox: Warmbox is a specialized email warm up service. Its core mission is to improve your inbox reputation and email deliverability tool by simulating human-like interactions, ensuring your cold email inbox is healthy and your email marketing efforts are successful.
2. Prospecting and Lead Database
- Hunter: Hunter excels at lead generation through its domain search feature and email finder tool. It allows you to find all the email addresses related to a specific company name or company website, making it a powerful resource for link building outreach and building targeted lists.
- Warmbox: Warmbox is not a prospecting tool. It does not have an email finder or a database of contacts. Its functionality begins once you have your list of verified email addresses, focusing solely on preparing your inbox for email outreach.
3. Email Verification and Accuracy
- Hunter: Hunter provides a robust email verifier tool that checks the validity of email addresses related to your searches. It aims to provide the most accurate data to reduce bounce rates for your email marketing efforts.
- Warmbox: Warmbox does not verify emails in the same way as Hunter. Its role is to take already-sourced verified email addresses and ensure they land in the inbox. A clean list is crucial for the warm up process to be effective.

4. Email Deliverability and Warm-up
- Hunter: While Hunter helps with email deliverability by providing verified email addresses, it does not offer a built-in email warm up service. Users typically need to integrate with other tools for domain warming and proactive inbox placement.
- Warmbox: Warmbox is a dedicated email warm up service. It automatically sends warm up emails to generate positive interactions and build your inbox reputation. This warm up process is designed to ensure your emails never land in spam anymore.
5. Alcance multicanal
- Hunter: Hunter is primarily an email-focused tool. While it helps with finding contact details for linkedin profiles, it does not offer integrated multi-channel sequencing beyond email, often requiring other tools for a comprehensive email outreach strategy.
- Warmbox: Warmbox is an email-only tool. Its purpose is to optimize the deliverability of your email marketing efforts. It does not offer multi-channel sequencing or automation beyond email.
6. Automatización
- Hunter: Hunter’s Campaigns tool allows you to send cold email campaigns with basic automation for follow ups and scheduling. It helps to save time on manual sending for your email marketing efforts.
- Warmbox: Warmbox’s automation is specific to the warm up process. It automatically sends warm up emails and manages a warm up schedule to build your inbox reputation without manual input, ensuring your cold email inbox is always ready.
7. Integraciones
- Hunter: Hunter offers integrations with google sheets (via an add-on) and popular CRMs. Its API allows for custom integrations, making it flexible for various email marketing efforts workflows.
- Warmbox: Warmbox focuses on integrating with multiple email providers like Gmail and Outlook. This ensures compatibility with your existing email marketing setup, allowing you to easily connect your cold email inbox for the warm up process.
8. Chrome Extension
- Hunter: The hunter chrome extension is a powerful email finder. It allows you to find verified email addresses and contact info while Browse a company name on a website or a linkedin profile. It’s available on the chrome web store and helps to save time during prospecting.
- Warmbox: Warmbox does not have a chrome extension for prospecting. Its focus is on the deliverability of your cold email inbox, not on finding leads.

9. Analytics and Reporting
- Hunter: Hunter provides reportando on your email marketing efforts, including open rates and click-through rates for your campaigns. It offers detailed analytics on the performance of your send cold email campaigns.
- Warmbox: Warmbox offers detailed analytics and reports specifically on your inbox reputation. You can track your deliverability score, spam score, and other key metrics to ensure your warm up process is working and that you never land in spam anymore.
10. Pricing and Credits
- Hunter: Hunter has a free plan with limited credits for domain search and verification. Its paid plans are credit-based, scaling up with email searches and verifications. It’s often considered a cost-effective solution for data acquisition.
- Warmbox: Cálido reviews highlight its pricing is based on the number of mailboxes. It offers a free trial and various paid plans to accommodate different email marketing campaigns and budgets, focusing on the email warm up service.
11. Customization and Control
- Hunter: Hunter provides a good degree of control over your data acquisition and basic email sending. You can customize your email templates and filters to match your email marketing efforts.
- Warmbox: Warmbox’s customization is focused on the warm up schedule. You can adjust the speed of the warm up process and the type of interactions to match the needs of your email marketing efforts. It also offers free tools like a blacklist inspector to give you more control.
¿Qué hay que tener en cuenta al elegir una herramienta de Cold Email?
- Deliverability: This is key. Your emails need to reach the inbox to be effective. Look for features like warm-up tools, spam filter testing, and blacklist monitoring.
- Email Finding: A good tool should help you find accurate email addresses quickly and easily.
- Verification: Make sure the tool verifies email addresses to prevent bounces and protect your sender reputation.
- Integraciones: Seamless integrations with your existing email provider and other marketing tools can streamline your workflow.
- Precios: Choose a plan that fits your budget and offers the features you need.
- Facilidad de uso: The tool should be intuitive and easy to navigate, even for beginners.
- Apoyo: Good customer support can be invaluable if you have questions or run into problems.
- Escalabilidad: Consider your future needs. Can the tool grow with your business?
- Seguridad: Ensure the tool uses strong security measures to protect your data.
- Reputación: Look for a reputable provider with a proven track record.
- Periodo de prueba: A free trial or money-back guarantee allows you to test the tool before committing.
Teniendo en cuenta estos factores, puede elegir el el mejor email frío tool for your specific needs and maximize your outreach success.
Veredicto final
So, which tool comes out on top? For us, it’s Warmbox. Why?
Because it’s the best email warm-up tool out there, it’s super easy to use and works.
We saw a significant improvement in our email deliverability after utilizando Warmbox. Plus, it’s more affordable than Hunter.io, starting at just $15 monthly.
Of course, Hunter.io is still a great tool. If you need help with email verification and finding email templates, it’s a good choice.
But if you’re serious about warming up your email and boosting your cold email campaign results, Warmbox is the way to go.
We’ve been doing this for a while, and we’ve tested a lot of different tools.
We know what works and what doesn’t. Trust us on this one.
Warmbox is the real deal. It’s like having a secret weapon for your email automation. Give it a try and see the difference for yourself!


More of Hunter IO
Here’s a comparison of Hunter IO with its alternatives, highlighting their unique strengths:
- Hunter IO vs Snov IO: Hunter IO specializes in email finding and verification. Snov IO offers a broader sales automation suite, including email campaigns and a CRM.
- Hunter IO vs Instantáneamente: Hunter IO excels in finding and verifying email addresses. Instantly focuses on maximizing email deliverability with warm-up and advanced campaign features.
- Hunter IO vs Apollo: Hunter IO primarily focuses on email finding and verification. Apollo provides a comprehensive sales intelligence platform with a large B2B database and outreach tools.
- Hunter IO vs Reply IO: Hunter IO is adept at email discovery and validation. Reply IO offers a full sales engagement platform with multi-channel outreach and automation.
- Hunter IO vs UpLead: Hunter IO is a direct email finder and verifier. UpLead provides a vast database of verified B2B contacts and emphasizes data accuracy.
- Hunter IO vs Mailshake: Hunter IO specializes in email finding. Mailshake is designed for automating and personalizing email outreach campaigns.
- Hunter IO vs Lemlist: Hunter IO excels at email finding and verification. Lemlist offers advanced personalization, multi-channel outreach, and email warm-up features.
- Hunter IO vs Woodpecker: Hunter IO efficiently finds and verifies emails. Woodpecker is a dedicated cold email tool with automation, follow-ups, and warm-up features.
- Hunter IO vs Smartlead: Hunter IO is focused on email finding. Smartlead is a robust difusión por correo electrónico en frío platform with unlimited warm-ups and deliverability features.
- Hunter IO vs Saleshandy: Hunter IO provides email finding and basic campaigns. Saleshandy offers more advanced email automation and deliverability features for outreach.
- Hunter IO vs Klenty: Hunter IO focuses on discovering and verifying emails. Klenty is a sales engagement platform for managing multi-channel outreach sequences and CRM integración.
- Cazador IO vs Warmbox: Hunter IO helps find and verify emails for outreach. Warmbox is a specialized tool solely focused on warming up email accounts to improve deliverability.
- Hunter IO vs Maildoso: Hunter IO offers email finding and basic campaign sending. Maildoso provides high-volume email sending with advanced deliverability features and warm-up.
- Hunter IO vs Manyreach: Hunter IO is for email finding and verification. Manyreach is an AI-powered cold email platform focused on scalable outreach and deliverability.
- Hunter IO vs Warmy: Hunter IO helps locate and validate emails. Warmy is a dedicated email warm-up tool designed to boost sender reputation and inbox placement.
More of Warmbox
He aquí una comparación de Warmbox con sus alternativas, destacando sus puntos fuertes:
- Warmbox vs Snov IO: Warmbox garantiza la entregabilidad del correo electrónico y la reputación del remitente. Snov IO ofrece un conjunto más amplio para la generación de clientes potenciales, la verificación y las campañas multicanal.
- Warmbox vs Instantáneamente: Warmbox es una herramienta especializada en el calentamiento del correo electrónico. Instantly es un todo-en-uno difusión por correo electrónico en frío plataforma, incluida su función de calentamiento.
- Warmbox vs Apollo: Warmbox se centra exclusivamente en mejorar la entregabilidad del correo electrónico mediante el calentamiento. Apollo es una plataforma integral de inteligencia de ventas y captación de clientes potenciales.
- Warmbox vs Hunter IO: Warmbox es una herramienta de calentamiento de correo electrónico para la colocación en la bandeja de entrada. Hunter IO principalmente encuentra y verifica direcciones de correo electrónico y ofrece campañas básicas.
- Warmbox vs Responder IO: Warmbox es una solución dedicada al calentamiento del correo electrónico. Reply IO es una plataforma de compromiso de ventas multicanal con funciones de automatización más amplias.
- Warmbox vs UpLead: Warmbox mejora la entregabilidad del correo electrónico para las campañas salientes. UpLead es una plataforma de generación de leads que proporciona datos de contacto B2B verificados y de alta calidad.
- Warmbox vs Mailshake: Warmbox es un servicio especializado en el calentamiento del correo electrónico. Mailshake ofrece una plataforma de difusión de correo electrónico con gestión de campañas y algunas funciones de calentamiento.
- Warmbox vs Lemlist: Warmbox es una herramienta independiente de calentamiento del correo electrónico. Lemlist ofrece una plataforma de difusión más completa con personalización avanzada y su calentamiento (Lemwarm).
- Warmbox vs Woodpecker: Warmbox se centra en el calentamiento automatizado del correo electrónico para la entregabilidad. Woodpecker es un automatización del correo electrónico que prioriza el envío y la entregabilidad similares a los humanos.
- Warmbox vs Smartlead: Warmbox garantiza la entregabilidad del correo electrónico mediante un calentamiento específico. Smartlead es un completo difusión por correo electrónico en frío plataforma, incluido su calentamiento.
- Warmbox vs Saleshandy: Warmbox se especializa en el calentamiento de correos electrónicos para impulsar la colocación en la bandeja de entrada. Saleshandy ofrece una plataforma de compromiso de ventas con seguimiento de correo electrónico y funciones de calentamiento.
- Warmbox vs Klenty: Warmbox es un servicio dedicado al calentamiento del correo electrónico. Klenty es una plataforma de captación de ventas que automatiza las secuencias de contacto y se integra con los CRM.
- Warmbox vs Maildoso: Warmbox es una herramienta dedicada al calentamiento del correo electrónico con un seguimiento detallado. Maildoso también ofrece calentamiento, junto con una bandeja de entrada maestra y dominios personalizados.
- Warmbox vs Manyreach: Warmbox garantiza la entregabilidad del correo electrónico mediante el calentamiento. Manyreach es una plataforma integral de difusión en frío con perspectivas ilimitadas y diversas funciones.
- Warmbox vs Warmy: Tanto Warmbox como Warmy son servicios dedicados de calentamiento de correo electrónico. Se diferencian principalmente en el tamaño de la red, las estructuras de precios y las funciones avanzadas específicas para la entregabilidad.
Preguntas frecuentes
What is the best way to warm up my inbox?
The best way is to use a dedicated warm-up tool like Warmbox. It automates the process and ensures your emails follow best practices. This helps you avoid spam filters and land in the primary inbox.
Can I use Hunter.io and Warmbox together?
Absolutely! They work great together. Use Hunter.io to find and verify email addresses. Then, use Warmbox to warm your inbox before sending cold email campaigns.
Are there any other email warm-up tools besides Warmbox?
Yes, there are other options like Lemlist, Mailshake, and Folderly. However, Warmbox stands out with its ease of use, affordability, and advanced features.
How much does Warmbox cost?
Warmbox offers flexible pricing plans starting at $15 per month. You can choose a plan based on the number of inboxes you need to warm up and the required features.
Is there a free trial available for Warmbox?
While Warmbox doesn’t offer a free trial, they have a 7-day money-back guarantee. This allows you to try the tool risk-free and see if it fits your needs.













