Software Alternatives, Accelerators & Startups

SendLoop VS Mailtester Ninja

Compare SendLoop VS Mailtester Ninja and see what are their differences

SendLoop logo SendLoop

Sendloop helps you to get more subscribers to your mail list and send emails on the fly. Sign-up free and enjoy the easy-to-use email delivery service

Mailtester Ninja logo Mailtester Ninja

Mailtester Ninja: The Best Email Verification Software
Visit Website
  • SendLoop Landing page
    Landing page //
    2023-07-10
  • Mailtester Ninja Email checker
    Email checker //
    2025-05-18
  • Mailtester Ninja
    Image date //
    2025-01-17
  • Mailtester Ninja
    Image date //
    2025-01-17

Mailtester Ninja is a powerful online tool designed for email verification in real-time. It enables users, whether individuals or businesses, to quickly assess whether an email address is active, properly formatted, and capable of receiving messages. This verification process helps ensure that your email campaigns reach their intended recipients, reducing the risk of emails bouncing back due to invalid or inactive addresses.

One of the main advantages of Mailtester Ninja is its ease of use. By simply inputting an email address, the tool checks several factors, including the domain status, MX records, and the format of the email. This helps identify common issues such as typos, invalid domains, and abandoned or deactivated accounts.

For businesses, this tool is invaluable in maintaining clean and accurate email lists, which are essential for successful marketing campaigns. Email bounce rates can negatively impact a company's sender reputation, leading to deliverability issues and even being flagged as spam by email service providers. By using Mailtester Ninja, businesses can avoid these issues and improve the effectiveness of their communications.

Additionally, Mailtester Ninja is highly beneficial for preventing fraud and phishing attempts, as it can verify the legitimacy of an email address before you engage in any correspondence. For marketers, it helps ensure higher open rates and better overall engagement with their audience by targeting only valid and active email addresses.

Mailtester Ninja is a fast, reliable, and essential tool for anyone looking to streamline their email marketing efforts, clean up their contact lists, and improve email deliverability. Its user-friendly interface and quick results make it a go-to solution for email verification needs, saving time and resources while ensuring more efficient communication.

SendLoop features and specs

  • User-Friendly Interface
    SendLoop offers an intuitive and easy-to-navigate interface, which makes it accessible for users with varying levels of technical expertise.
  • Comprehensive Email Analytics
    The platform provides in-depth email analytics, allowing users to track open rates, click-through rates, and other key performance indicators, which helps in optimizing email campaigns.
  • Automation Features
    SendLoop includes robust automation features that enable users to set up automated email sequences, saving time and increasing efficiency.
  • Customizable Templates
    It offers a variety of customizable email templates, which helps users to quickly create professional-looking emails without needing advanced design skills.
  • Reliable Delivery Rates
    SendLoop boasts high email deliverability rates, ensuring that your emails are less likely to end up in the spam folder.

Possible disadvantages of SendLoop

  • Pricing Model
    The pricing can be high for small businesses or startups, especially as the number of subscribers increases.
  • Limited Integrations
    SendLoop has fewer third-party integrations compared to some other email marketing platforms, which can be a drawback if you rely on multiple tools.
  • Customer Support
    Some users have reported that customer support response times can be slow, which can be frustrating when immediate assistance is needed.
  • Learning Curve
    Despite its user-friendly interface, there is still a learning curve for mastering all its features, which may require some time and effort.
  • Customization Limits
    While templates are customizable, there are limitations to how much you can modify them, which might not meet the needs of more advanced users seeking full design control.

Mailtester Ninja features and specs

  • Emails checked per day
    100k
  • API calls per day
    100k

Analysis of SendLoop

Overall verdict

  • SendLoop is generally considered a good option for businesses looking for an intuitive and effective email marketing solution. It balances ease of use with a robust set of features, providing good value for its price point, especially for those who may not need highly advanced marketing tools.

Why this product is good

  • SendLoop is a straightforward email marketing platform known for its user-friendly interface, making it accessible for small to medium-sized businesses. It offers a range of features such as email automation, list segmentation, and analytics, which help users effectively target and engage their audience. Additionally, it provides reliable support and a variety of templates, making it easier for users to create professional-looking campaigns without extensive design skills.

Recommended for

  • Small to medium-sized businesses
  • Marketing teams looking for ease of use
  • Organizations that need reliable support services
  • Users seeking a cost-effective email marketing solution

SendLoop videos

Sendloop - How it works?

More videos:

  • Review - Automate Email Marketing with SendLoop
  • Tutorial - How to Export Email to Sendloop from Stripo

Mailtester Ninja videos

MailTester Ninja online email verification

More videos:

  • Demo - MailTester.Ninja: How to Increase Your Email Deliverability - Easy Steps !
  • Review - Mailtester NInja

Category Popularity

0-100% (relative to SendLoop and Mailtester Ninja)
Email Marketing Platforms
Email Verification
0 0%
100% 100
Email Marketing
69 69%
31% 31
Lead Generation
0 0%
100% 100

Questions and Answers

As answered by people managing SendLoop and Mailtester Ninja.

What makes your product unique?

Mailtester Ninja's answer:

Mailtester.Ninja is unique because it provides a streamlined, reliable, and user-friendly service for validating and verifying email addresses. Here are some specific factors that make it stand out:

  1. Real-Time Email Verification Mailtester.Ninja offers real-time email verification, ensuring that users can instantly check the validity of email addresses. This minimizes the risk of sending emails to invalid or non-existent addresses.

  2. High Accuracy The platform uses advanced algorithms and multiple layers of verification to provide highly accurate results. This ensures users can trust the results and maintain a clean email list.

  3. Ease of Use Its user-friendly interface makes email verification accessible to users with varying technical skills. Users can quickly input email addresses or upload lists for bulk verification without hassle.

  4. Bulk Email Verification Mailtester.Ninja supports bulk verification, allowing users to validate large lists of email addresses in one go. This is particularly beneficial for businesses managing large-scale email campaigns.

  5. Detailed Reports It provides detailed, actionable reports after verification. These reports highlight invalid, risky, and valid email addresses, helping users take the necessary steps to optimize their email lists.

  6. Anti-Spam Compliance By focusing on verifying emails and reducing bounce rates, Mailtester.Ninja helps users stay compliant with anti-spam regulations, ensuring that their email campaigns maintain high deliverability rates and avoid blacklisting.

  7. Affordable Pricing Mailtester.Ninja typically offers competitive and flexible pricing plans to suit individuals, small businesses, and larger enterprises, making professional-grade email verification accessible to all.

  8. API Integration It provides an API for seamless integration with existing workflows, allowing businesses to incorporate email verification into their own platforms and applications.

Why should a person choose your product over its competitors?

Mailtester Ninja's answer:

Exceptional Accuracy Mailtester Ninja employs robust algorithms and multi-layered verification techniques to ensure a high level of accuracy. Its results are designed to minimize false positives and negatives, which is critical for email campaign success.


User-Friendly Interface The platform is built with simplicity in mind, making it accessible for both beginners and experienced users. It’s easy to navigate, and processes like single email verification or bulk uploads are quick and straightforward.


Real-Time Verification Unlike some competitors, Mailtester Ninja emphasizes real-time verification to deliver instant results. This feature is particularly useful for businesses needing on-the-spot validation during form submissions or email collection.


Bulk Verification for Scale Mailtester Ninja supports bulk email verification at scale, making it ideal for marketers or organizations managing large contact lists. The process is optimized to be both fast and reliable.


Detailed Actionable Insights Users receive comprehensive reports after verification, including details on invalid, risky, or catch-all emails. These insights help users make informed decisions about their email lists.


Compliance and Deliverability By ensuring clean email lists, Mailtester Ninja helps reduce bounce rates and spam complaints. This improves sender reputation and ensures compliance with anti-spam laws like GDPR, CAN-SPAM, and others.


Competitive Pricing Mailtester Ninja offers affordable pricing tiers, often more cost-effective than its competitors. This is particularly appealing to small and medium-sized businesses looking for a budget-friendly solution without compromising quality.


API Integration For developers and businesses with custom workflows, Mailtester Ninja provides API support for seamless integration. This allows automated email validation within existing systems.


Reliable Customer Support The platform is known for its responsive and helpful customer support, ensuring users can resolve issues quickly and maximize the platform’s benefits.


Focused on Results Many competitors offer additional tools or services that may not align with a user’s goals. Mailtester Ninja keeps its focus on delivering high-quality email verification, making it an efficient, no-frills solution for users who want targeted results.

Who are some of the biggest customers of your product?

Mailtester Ninja's answer:

EY SOTHEBY'S GARTNER REVOLUT GOCARDLESS PROVE THE ORG AVANADE

User comments

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What are some alternatives?

When comparing SendLoop and Mailtester Ninja, you can also consider the following products

MailChimp - MailChimp is the best way to design, send, and share email newsletters.

Verifalia - Verifalia is a web-based email validation that lets users to upload and validate lists of email addresses.

Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.

Snov.io - Find leads, automate outreach & close more deals

Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.

Hunter.io - Find all the email addresses related to a domain