• +52 (999)-338-9761
  • alfonso@2025.agency
Android Developer + Digital Marketer

i’m Alfonso Castro.

My specialization

Android Developer, WordPress Expert and Digital Marketer, with E-commerce Specialization With 7+ Years of Experience

Android Apps

Started developing in 2018 for my own purposes. Now I have 2 apps in Play Store and 2 private apps. Java + Kotlin, Firebase and more. ¿Have an app idea or iOS App? I can build it for Android.

Digital Marketing Strategy

Since 2009 I started selling supplements online with 0 experience. Now I own a successful passive business with clients and partners in México and United States. Want more traffic? I can help.

WordPress Web Design

Since high school I started building a website for my favorite rock band and it really took off. I build websites with WordPress every week just for fun! And now, I can help yo to create a beautiful but converting website.


¿Tired of depending on Facebook Ads Changes? Me too. Start getting traffic without paying, forever free. If you want to get hight on Google, I can help you. In many projects I only use SEO for traffic.

My Experience

2019 - Current
Alma 2025 Agency
Android Developer
Website Developer

Started my own agency because people who knew my work in Natural Tonic asked me to help them with their business.

2009 - Current
Natural Tonic
Digital Marketing
eCommerce Manager

Started my own business as distributor of supplements online. YouTube, WordPress, Shopify, SEO, FB Ads and more.

Past Jobs
In 3 Companies
Android Developer
Sales Assistant
Digital Marketing Trainee

After graduating from schools, I worked briefly in 3 companies before committing to my own business.

Hey! I went to School

Computer Systems Engineer
Specialized in Mobile Development

I started programming since 13 years old. So I decided to study another career just for fun. Turned out I love to Code!

Bachelor Degree in Marketing and International Business
Specialized in Customer Psychology

They didn’t teached online marketing back then. I specialized in customer psychology back then. Studied digital marketing for my own and it paid back really well.


This is just starting. You can be part of the first to benefit from my experience. I have worked with transnational, entrepreneurs and political parties.


You will Have Top Tech and Methods in Your Project

For SEO and Marketing I use the latest tools and methods from top experts. For Mobile Development I always update my code and patterns to the state of the art. For WordPress, I only use fast, trustworthy and top plugins.

Digital Marketing
Android Development

All Developed with Passion

I choose my projects very carefully. I only work with projects I can really provide value. This are the ones I loved the most.

Development, Marketing

Hey, this is testimonials from my best clients & partners

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