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Welcome to CUSTOM.APP

If you wish to purchase premium source codes for your next online business and save 80% on development cost, you’ve come to the right place.

If you are a creator looking to sell your mobile app source codes, WordPress themes, plugins and licensed digital products, you too, have come to the right place.

Or are a Web / Mobile App Agency who simply wants to advertise their web and mobile app development services by joining our Featured App Studio Directory which includes sponsored articles with backs link to your website, you’ve also come to the right place.

At CUSTOM.APP, we offer:

  • Free Sign Up for Unlimited Listing for Apps, WordPress Themes, PHP Scripts, For Sale *We charge both seller and buyer for using our marketplace 
  • Featured Apps *Pay to have your app on our homepage and featured apps page
  • Featured App Studio *Boost your studio visibility and get in our app directory 
  • Sponsored Banner Ads *Homepage only 3 available
  • Sponsored App Reviews *We rate your app and share it on our blog
  • Sponsored Links *We share your article with your own back link to your site
  • And much more….

To discuss which package you need, or if you wish to build a new Custom App, or wish to launch a new Progressive Website App for your Marketplace, Woocommerce, WordPress Site contact us.


We are a Global Team of Mobile App Professionals

Our Mobile Developers are based throughout the US, Europe, Africa, the Middle East, and Asia.

The Web Designer / App Engineer

The Serial Entrepreneur and Founder

The “Nazman” is a bright Website and App Engineer. He has been working with Seb (the founder) since early 2020, first on / marketplaces which was sold in 2021, and secondly on Web3Domains.AuctionSellDomain.Name and in 2022. 

Together, they make a real good team. 

Nazman is an expert in WordPress CRM, JavaScript/ IOS/ Android and much more. He comes with 8+ years experience in the Web/Mobile App space. Should you need a simple WordPress site or a custom application our team of developers will be able to create and deliver your new Custom App in record time.

Skills & Achievements:

  • Diploma Engineering 2015-2018

  • Created 100+ Websites & Mobile Apps

  • Always exceeds client expectation

  • Delivers on time

@SebastienStaub is a serial entrepreneur with premium digital assets and online businesses. CUSTOM.APP is his latest 2022 venture. A project which came to fruition after he secured this premium domain name

The mission is to become the #1 Custom App Marketplace

Seb comes from a branding, marketing and entrepreneurial background.

Seb worked for several Web companies in Perth and Sydney between 2010 to 2012, before returning home to launched his own agency. There, he learned Technical skills in SEO/SMO/CRM/Wordpress.  

Seb excels in the arenas of Digital Marketing and Domain Name Investing.

Seb is the proud founder of these businesses below, with various partners and investors: 

  4. EGAMINGLICENSE.COM *Under offer via #1 US Domain Brokerage Firm 2020 -2021 

Want to work with us?