How to send WhatsApp broadcast messages using Kommo

WhatsApp broadcast software vs email: Which is better?

October 2, 2025

6 min.

The most important thing in a business is the way to communicate with clients. It’s fundamental to find a channel that complements the harmony and style of your brand and your general customers. In this sense, classic email marketing channels never go out of style. But is it really worth persisting with them when their efficiency level declines? Let's not get confused, we're not saying we should replace them, but we can debate whether they have the same level of efficiency as WhatsApp. Ultimately, both provide valuable resources and operate efficiently.

Our goal with this article is for you to determine which of the WhatsApp broadcast software and email marketing is the most effective and find a winner (if possible) for your customer service and marketing campaigns. Let's get started!

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Strengths and weaknesses of WhatsApp broadcast software

Let’s start discussing the most popular tool in the marketing industry: WhatsApp. But what is WhatsApp broadcast software? Today, it is recognized as the most effective means of all capacities to communicate with clients. Said this, let’s look at its strengths and weaknesses for your marketing efforts:

1. Instant delivery and higher open rates

You’ve probably heard this before, but it’s common knowledge that WhatsApp broadcasts (and messages in general) have a 98% open rate. This is obviously something to be proud of, as it means it’s a tool that generates trust and satisfaction among its audience, primarily because it’s capable of:

  • Sending instant replies;
  • Customizing templates, and
  • Creating messages using effective features beyond broadcasts.

2. Personalization and real-time engagement

If there's one thing that WhatsApp broadcasts are known for and continue to be used for, it's their ability to be personalized. You can then send campaigns tailored to your target audience and your brand's unique characteristics, creating greater connection and engagement in real time. Ultimately, you'll be able to create messages aimed at driving your business's growth, and the best part is that customers will never even notice it's a broadcast (making them feel unique and valued among other consumers).

Limitations and compliance considerations

Although it’s an advanced tool, WhatsApp's broadcast software has certain limitations in terms of operation. One of these is that it only has a limit of 256 contacts per list and requires recipients to save the sender’s number, which runs the risk of generating spam or account blocking. Regarding compliance considerations, it requires explicit user consent, respecting speed and message frequency limits, and offering personalization and value in messages.

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Strengths and weaknesses of Email marketing

Let's now talk about a reliable platform that hasn't disappointed marketing companies so far: email. This channel has helped millions of users become interested in campaigns created by different brands. Now let's look at its strengths and weaknesses:

1. Scalability and automation potential

What every business needs is the ability to boost the growth of its operations and increase demand without incurring significant costs. That's why many continue to choose email marketing because it's a tool that offers scalability and, in addition, leverages automation to optimize task execution and keep customers engaged at all times.

2. Cost-effectiveness and analytics insights

In addition to offering multiple opportunities for growth and saving downtime, email marketing is also a cost-effective platform, as it doesn't require significant costs to operate effectively. It also facilitates team processes by managing data analysis and customer interactions, recognizing their preferences and your brand's strengths.

Common drawbacks in engagement and open rates

While it's a popular and efficient app, one of its greatest advantages is the saturation and competition that make it a platform with a low level of preference. That is, since everyone already knows it and understands its potential, they decide to use it collectively, resulting in many emails being ignored or even ending up in spam. On the other hand, because it's a platform used for misleading and poorly personalized advertising, it tends to generate low open rates.

Note: While both tools offer improved customer service, it's important to consider their impact. According to Zoko, comparing the two shows how WhatsApp has improved its game, offering a 98% open rate, compared to email marketing, which only has a 20% open rate.

WhatsApp broadcast software vs Email: Side-by-Side Comparison

We've already talked a lot about each tool individually, so let's put them side by side so we can compare them properly and determine their differences and similarities, so we can make a final decision about which one is best for us:

1. Engagement rates and customer response

Both platforms have the same goal: to engage with customers effectively and efficiently. Now, one aspect where they can achieve significant differences is their customer engagement and response rates.

  • WhatsApp Broadcast software offers better results because it provides instant responses and direct, immediate messaging (something that's inherent to its nature).
  • Email, while reaching a broader audience, tends to have lower response and open rates and is more likely to have its messages end up in spam.

2. Personalization and customer experience

Both platforms are customizable, meaning you can create content tailored to your business and target audience. The difference is the speed with which you can manage this.

  • WhatsApp Broadcast software allows you to create personalized interactions immediately, which can be scheduled to be sent at a specific time or day.
  • Email requires more preparation time, as it is ideal for sending extensive, high-quality content for businesses.

3. ROI and cost efficiency

In terms of ROI and profitability, WhatsApp is ahead of email, as it offers higher open and conversion rates and generates greater profits for companies. Costs will always depend on how advanced your service needs to be, as a more advanced service requires greater skills.

Note: According to Waymore, either tool is effective in offering an advanced ROI; it all really depends on your business goals. WhatsApp is more agile and popular, while email is much more traditional and can offer greater security.

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When to use WhatsApp broadcasts vs Email campaigns

At this point, it has become clear which is our favorite tool in these current times. However, it's also important to highlight that each one offers excellent features that help improve any business's service. With this in mind, let's look at when to use each of these:

Ideal use cases for WhatsApp broadcasts software

WhatsApp broadcast software is an ideal tool for providing immediate communication to multiple customers, whether private or for broadcasting promotions, news, event reminders, and product launches. All of this with your customers' consent, helping to raise your brand's preference and boost production and sales.

When email marketing is the smarter choice

Email marketing is the best solution when it comes to building successful long-term relationships, nurturing a greater number of leads, and sharing detailed information about your company or even your products. Its extensive attention span and ability to collect and analyze customer data make it an ideal option for optimizing your marketing campaigns.

Combining both for maximum impact

Ultimately, the central objective is to streamline the tasks performed by marketing teams, so there's no need to be picky; we could perfectly serve both. With WhatsApp broadcast, we provide immediate assistance with high-impact promotional messages, while with email marketing, we lend greater credibility to the promoted product or service. Ultimately, combining both teams generates a greater impact on your company's growth.

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Final verdict: Which channel wins?

We've already described, compared, and developed each company in its specific customer service sector. Now, in this arduous battle, which do you think should win? For some reason, you'll notice that WhatsApp broadcast software is among our favorites, but it's an innovative and efficient way to communicate with your customers without large costs or complex programs. However, we find it impossible to deny the fact that email marketing is also an excellent option that drives business growth, thanks to the trust it inspires and its great potential to reach a massive audience 24/7.

It all depends on the type of service you want to build. If you need it to be fresh, dynamic, and fun, you can try WhatsApp. If, on the other hand, you prefer an elegant, fluid, and reliable way of working, you can opt for email.

Ultimately, the key is to build your service alongside an exceptional team that can help you enhance your customer service and integrate either of these platforms (or both), as is the case with Kommo, which provides continuous and hassle-free growth.

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Carmen Figuera

Content Writer in Kommo. A literature lover who keeps her feet on the ground while her hands dive into a good book. With my imagination soaring, I create amazing content for Kommo!

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