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.

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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

App Update - GST & VAT Calculator v3.0

The latest update to GST & VAT Calculator has been released. This update introduces the new ability to change the application’s icon. The app’s icon is now available in blue, light green, dark green, pink and yellow. Under the hood the apps third-party dependencies have been updated to ensure everything keeps working as it should.

Full Change Log

  • ✨Added new option to change the apps icon
  • ⬆️ Upgrade Revenue Cat dependency to v4.3.0
  • Change version numbering scheme. This changes from major.minor.patch to major.minor. Moving forward any feature updates will be consider major.

About GST & VAT Calculator

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.

Checkout GST & VAT Calculator on the AppStore today!

More information about GST & VAT Calculator can be found on its website.

Chippy Tools Update v2.1.5

The latest update to Chippy Tools has been released. This update focuses on the experience for users that use Imperial Measurement units. Most of these changes are under the hood and do not have visable changes visable to our users. While both metric and imperial measurement users see mostly the same interface the way calculations occur differ signficantly.

Full Change Log

🐛 Fixes bug where the baluster calulator would not invalidate values when the measurement units where changed. 🐛 Fixes crash in the triangle calculator when the base is larger than the hypotenuse. 🐛 Fixes an issue where the first value in equal spacings and running measurements would not display for imperial users if it was 0. 💄 Automatically hides keyboard after manual calulcation.

About Chippy Tools

Chippy Tools is a market leading 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.

Checkout Chippy Tools on the AppStore today!

More information about Chippy Tools can be found on its website.

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!

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