Sam Petherbridge
Sam Petherbridge

Sam Petherbridge

Developer • Marketer • Consultant

Hi there, I'm Sam 👋

I am a Consultant, a Developer, a Marketer, & a lover of the outdoors based in Brisbane Australia.

I am an experienced digital marketer with experience working with some of Australia's largest and technologically complex businesses. With my deep technical understanding, I seek to ensure marketing technology is working effectively, looking for opportunities to increase productivity through the use of technology.

I am a strong believer in the ability of technology to be an enabler. I believe those of us that understand technology have a responsibility to enable others, removing jargon and simplifying how technology works and how it can aid business. My deep passion for technology has led me to publish applications to Apple’s App Store, develop numerous applications to increase productivity within media agencies and deliver bespoke solutions for digital advertising.

I believe that we should always keep learning, whether this is in formal or informal settings. In 2021 I graduated with a Master of Business Administration from RMIT University.

Application Development


Chippy Tools App

Chippy Tools, is the go-to tool for carpenters looking to take the hassle out of maths on the job site. Whether you are using your iPhone or your iPad Chippy Tools is the app for you. With its easy to use design Chippy Tools allows you to think about the Carpentry and let the app do the maths.

Strokes Per Minute Logo

Strokes Per Minute App

Strokes Per Minute is a simple intuitive app to calculate the stroke rate. It was designed by a rowing coach who consistently forgot their rating watch. Its minimal design provides an easy to use tool for rowing coaches, coxes and enthusiasts.


GST & VAT Calculator App Logo

GST & VAT Calculator App

GST, VAT & Sales Tax Calculator, is a quick and easy to use application to calculate values including or excluding GST, VAT or any percentage-based tax. With a customisable tax rate, it is perfect for any country or situation. Best of all there are no ads ever!

Media Calculator Logo

Media Calculator App

Media Calculator is an easy to use application packed full of calculations that are used daily by media and marketing professionals. From seasoned professionals to those just starting out Media Calculator will save you time.


Recent Blog Posts

Introducing Media Calculator

Media Calculator Logo

Following a soft launch in early December I am happy to announce the launch of my latest app on the App Store, Media Calculator. Media Calculator is built from my knowledge of the media space and is an app that I wish I had in many meetings. It provides simple calculations that are used daily by almost everyone in media & marketing roles. From seasoned professionals to those just starting out Media Calculator will save you time. Best of all there are no ads ever!

Features Include

  • Cost Per Thousand Calculator (CPM Calculator)
  • Cost Per Action Calculator (CPA Calculator)
  • Cost Per Click Calculator (CPC Calculator)
  • Cost Per TARP Calculator (CPT Calculator)
  • Cost Per View Calculator (CPV Calculator)
  • Cost Per Viewable Cost Per Thousand Calculator (vCPM Calculator)
  • Paid Search Available Impressions Calculator

Checkout Media Calculator on the AppStore today!

From 0 to App Store Charts in 2 Months

Just over 2 months ago, I released my second app into the iOS App Store. Having had a specialised app for rowing coaches in the store for over 7 years, with many thousands of users around the world I was unsure how my new app Chippy Tools for carpenters and DYI enthusiasts would perform. While I knew there was demand for the application and it was by no means new, I dramatically underestimated the overall demand in what I had assessed in a very crowded space with strong incumbent apps.

Graph - Chippy Tools Unit Sales to Early November 2021

After a very slow first month with a handful of people knowing that I had created Chippy Tools, its second month has been a very different story! Chippy tools is now routinely in the top paid utilities and has on occasion made its way into the top paid apps, on the iOS App Store in Australia, and multiple other countries around the world. Needless to say, these were both rather unexpected for an idea that had been on my someday list since 2013.

Looking forward to seeing how this evolves over the coming years.

Chippy Tools, is the go-to tool for carpenters and home handymen looking to take the hassle out of maths on the job site. Whether you are using your iPhone or your iPad Chippy Tools is the app for you. With its easy to use design Chippy Tools allows you to think about the Carpentry and let the app do the maths. Download Chippy Tools on the AppStore.

GST & VAT Calculator

GST & VAT Calculator Logo

Today I am happy to announce the release of another app on the App Store, GST & VAT Calculator. GST & VAT Calculator is a simple to use application that allows you to add or remove percentage-based goods and services or value-added tax.

While there are plenty of competing apps that have similar functionality on the App Store, I found overwhelmingly that they were packed full of ads, resulting in a poor experience for the user and an unsustainable unmaintained application.

Checkout GST & VAT Calculator on the AppStore today!

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