8 Free & Paid Must-Have Digital Marketing Tools

Digital marketing tools are becoming quite popular across verticals. They help streamline and automate marketing activities, but there is more to it. They enable businesses to create and execute comprehensive marketing strategies.

Besides introducing an integrated marketing approach, marketing tools also provide real-time insights into analytics.

When choosing the best digital marketing tool for your business, you will discover that there are hundreds of them on the market.

How do you pick the best one?

As one of the best digital marketing agencies in Singapore, we regularly use these 8 tools and hope they will benefit your business as well.

PPC Marketing Tools

Pay-per-click is one of the most popular digital marketing methods. It enables businesses to get instant results instead of relying on long-term SEO strategies. Some eg of pay-per-click channels are Google ads, Facebook ads, Instagram ads.

However, with the challenges of keyword research, competition analysis, and budget planning, we can’t do PPC marketing adequately without using some extra tools.


Over the years, SEMrush grew into one of the most powerful tools for digital marketers interested in PPC marketing. It comes with a variety of tools to help you with all things PPC marketing. The features SEMrush offers for PPC marketing are grouped into two categories - Paid Advertising and PPC Keyword Research.

semrush digital marketing software

PPC Keyword Research is a bundle of several tools created to help you build a perfect paid research campaign. You will be able to use cutting-edge keyword research tools to discover the most viable keywords for your campaigns.

With Paid Advertising tools, you will be able to monitor your competition. It can give us insight into the exact ad copy and paid keywords your competition is using. You can also see during what months they are most active. In addition, SEMrush allows you to analyze your competitors’ banners and ad texts and identify what audiences they are targeting.

SEMrush Pricing

SEMrush offers three pricing plans:

  • Pro starting at $99.95 per month
  • Guru starting at $191.62 per month
  • Business starting at $374.95 per month


Your PPC campaigns are only as effective as your weakest ad copy. The platform has been created to help marketers discover content ideas and get actionable insights. If you don’t know how to create engaging headlines, give BuzzSumo a try.

One of the best features you can find on BuzzSumo is the Topic Analyzer. You can use it to assess your PPC ad headlines and get directions on how to improve them to boost engagement and click-through (CTR) rates.

The platform also offers a Keyword Tool that you can use alongside Topic Analyzer. It will help you assess how your new PPC ad headline will perform to ensure it gets displayed to the right audience.

buzzsumo digital marketing tool

BuzzSumo can provide you with thorough reports on your competition. You can use it to put your competitors’ online footprint under a microscope. You will be able to discover their primary sources of traffic and learn how and where they obtain them.

Buzzsumo Pricing

BuzzSumo offers a 30-days free trial along with three pricing plans:

  • Pro, from $79 per month
  • Plus, from $139 per month
  • Large, from $239 per month

Heroes of Digital PPC ROI Calculator

heroes of digital ppc roi calculator

Every marketing initiative is an investment. So if you want to keep your finances in check, you should consider tracking the ROI of your PPC campaigns.

Heroes of Digital PPC ROI calculator is a tool that comes from one of the best digital agencies in Singapore.

As you probably already know, every time a prospect or a lead clicks on your ad, the PPC platform will charge you differently. It’s because the bidding is dynamic, and it depends on keyword competitiveness and potential traffic.

This PPC ROI calculator is built to make calculating PPC ROI as straightforward as possible. You don’t even have to know the metrics that affect the PPC ROI to calculate it. It allows you to plan your budget ahead by only knowing the top-of-page bid range for your target keywords.

Pricing? Free.

SEO Marketing Tools

Proving effective SEO services for our clients is not easy.

We rely on some SEO software to do a better job.


SERanking is a complete SEO software suite with marketing and SEO analysis features. Over the years, it has become a go-to SEO tool for many SEO agencies because it offers a complete solution to all significant SEO challenges.

Despite its numerous features, the tool remains easy to use and requires minimal technical knowledge.

SERanking keyword rank tracker stands at the core of this tool. It enables you to track your website’s ranking positions for targeted keywords on all major search engines, including Google and Bing. You can also dive deeper into ranking reports to assess how your website ranks in different countries and cities.

Additionally, SERanking offers a website audit tool. You can use it to analyze your website against the best SEO practices. The tool will identify all on- and off-page SEO issues and offer you actionable tips on fixing them.

seranking seo software

SERanking also comes with a competitive research tool. You can use it to discover what keywords your competition is targeting. You can do so for both their PPC and organic search campaigns. The tool keeps track of historical data as well, which you can leverage to discover patterns.

Finally, SERanking also delivers a convenient way to monitor and check all your backlinks. You can do it in real-time and get insight into all relevant metrics for every backlink in your portfolio.

SERanking Pricing

SERanking offers one of the most customizable pricing plans you can find out there. There are three pricing plans, but the final price depends on three factors: rankings check frequency, subscription period, and the number of keywords tracked:

  • Essential starts at $23.4 per month
  • Pro starts at $53.5 per month
  • Business starts at $113 per month


AHREFs is a solution that offers access to the comprehensive SEO toolset. The tool is intuitive and easy to use. Among the various tools in the AHREFs offer, the key ones are keyword generator, explorer, backlink & rank checker, and site audit and explorer.

ahrefs seo software

Site audit lets you analyze your website for on- and off-page SEO issues and guides you to fix them. Site Explorer is quite convenient if you want to see what the competition is doing. Keyword generator helps you find the relevant keywords and run them in the explorer to see how hard it would be to rank for them.

The rank tracker provides an efficient way to check how your website is tracking targeted keywords. You can use it to assess your SEO strategy and track your ranking as it goes up or down.

AHREFs Pricing

  • Lite plan: $99/month
  • Standard plan: $179/month
  • Advanced plan: $399/month
  • Agency plan: From $999/month

Heroes of Digital SERP Preview Tool

Heroes of Digital SERP Preview Tool helps you optimize your page title and meta description length. In addition,

it can help you make your snippet in the search engine result pages look more professional. The tool creates a search engine result snippet just as it would appear on Google. But there is more to it.

heroes of digital serp preview tool

Optimizing the meta tags for all your web pages and content can help you boost your ranking and CTR. Meta tags help search engine crawlers understand what the page is about.

Your snippet in search results is the first contact a customer may have with your brand. Making a good first impression can make a difference between clicking on your link or scrolling past it.


Heroes of Digital SERP Preview Tool is entirely free to use.

Conversion Rate Optimization Tools

With proper conversion optimization tools, you will be able to reap the benefits of your inbound marketing strategy. As one of the leading digital marketing agencies in Singapore, Heroes of Digital developed two conversion optimization tools for businesses to use.

Heroes of Digital Google Review Link Generator

Heroes of Digital Google Review Link Generator is a simple tool built to help any business easily capture customer reviews. With over 40,000 search queries per second, Google is the number one search engine. Customers use it to research brands and products.

This tool allows you to create a simple link and send it to your customers. It makes leaving a review convenient for them. It works on any device and generates short and professional-looking links.

Heroes of Digital QR Code Generator

Customers want to find everything that interests them in one place.

In order to drive engagement, businesses can use a QR Code Generator

You can use QR codes to boost conversion rates and facilitate your business growth. QR codes have found various use cases ranging from using them to direct customers to your website or enabling them to leave a feedback quickly.

When you direct users to a particular page on your website, you're able to collect first party data of your customers, and with more data, your marketing becomes more effective. You can re-engage your customers through SMS marketing, or do a Lookalike audience on Facebook and target similar audience through your ads.


Choosing the right digital marketing tool for your business depends on your specific goals and needs. The eight tools we’ve covered are very powerful and quite often seen in a successful marketer's toolbox. This article is the newest addition to the series we’ve been working on.

You can find additional tools in our guides for best social media scheduling tools, PPC spy tools, and best SEO tools.

8 Free & Paid Must-Have Digital Marketing Tools
Article Name
8 Free & Paid Must-Have Digital Marketing Tools
Digital marketing agencies use various software to improve marketing campaign results as well as productivity. What are some of the best digital marketing software out there?
Xavier Tan
Xavier is the Co-Founder of Heroes of Digital. He started social media marketing and SEM long before it became popular in Singapore. His passion is in helping businesses grow through effective lead generation. He has overseen campaigns for Amara Hotel, NTU, Marina Bay, L'Oreal, and 100+ SMEs.

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