Rectangular Software is an independent UK software development company based in the heart of the Kent Downs, near to the city of Canterbury. We develop native mobile applications for iOS (iPhone/iPad) and Android, and provide software development services.

Custom Mobile App Development

Need a custom smartphone/tablet app for your business? Rectangular Software can build it for you — on iOS (iPhone/iPad), Android, or both. Take a look at some of the apps we've developed previously or get in touch to discuss your requirements.

Previous Projects Request an Estimate

Save 20% Save on Native Apps for Multiple Platforms

If you choose to have us develop your app for both iOS and Android, we will give you a 20% discount* on the cost of the second app.

* Save 20% of the cost of developing your app for a second platform, assuming identical functionality on each (the saving is 10% of the combined costs of developing the app for both platforms).

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Software Development Services

In addition to mobile apps, Rectangular Software provides software development expertise for many other technologies and platforms. We have extensive Java experience (enterprise, desktop and mobile) and also build responsive HTML5 web applications using Python/Django. Whatever your requirements, get in touch to see if we can help.

Discontinuing Appmonger

Due to changes to Google’s services, and the lack of a reporting API for Google Payments, we regret to announce that we are discontinuing Appmonger, our Android app for Android app developers.

iOS Market Share Continues to Grow, Android Still Dominant

iOS and Android are both on the up in Kantar’s latest smartphone OS market share data. It’s bad news for Microsoft.

Mobile Growth Handbook – Tips for App Success

There’s more to a successful mobile app than just building a great piece of software. This Mobile Growth Handbook includes dozens of tips for growing your app’s audience.

Which iOS/Android Versions Should Your App Support?

You’ve decided that you want to build a mobile app. You’ve decided that it needs to be available on both iOS and Android but which versions of these platforms should it support?