Independent developer. Real-world products.

Your next big idea.
Built for real life.

Thoughtful apps. Purposeful design. I’m Jarrod, the developer behind Supply4u—turning everyday problems into mobile and web experiences that feel right.

iOSAndroidWeb From first idea to launch
SlipStash receipt dashboardA little less clutter.
Serenity wellness home screenA little more calm.
Privacy.
Built in.
Made by Supply4u. Used in everyday life.
Small studio. Full-picture thinking. Direct collaboration Intentional design Built to ship

01 / Out in the world

Useful by design.
Personal by nature.

Two different everyday needs.
The same care in every detail.

Live on Google Play

SlipStashLess paper. More peace of mind.

Your private receipt & return deadline vault. Keep the purchase, skip the paper trail.

SlipStash tracks receipts and return deadlines
Scan it.
Stash it.
Sorted.
From checkout
to tax time.
  • On-device OCR
  • Dynamic cashier barcodes
  • Biometric vault
  • CPA-ready exports
Live on Google Play

Serenity AIA softer space for your day.

Your mental wellness & lifestyle companion. Make room to reflect, reset, and find your rhythm.

Pause.
Reflect.
Begin again.
A moment
that’s yours.
Serenity AI wellness tools and daily reflection
  • AI companion
  • Private local journaling
  • Calming soundscapes

02 / The way forward

From “what if” to what’s next.

A clear path. A direct conversation.
Your idea, taking shape.

01

Blueprint & Scope

Turn your idea into a focused plan: people, priorities, features, and a clear scope.

02

UI/UX Prototype

See the experience before the build. Refine the screens, flows, and small details.

03

Native Sprints

Build in focused stages, with working progress to review and room for feedback.

04

Store Approval & Launch

Prepare, test, and submit. I help navigate store review and launch; approval rests with the stores.

Under the hood

The right tools.
For the right reasons.

Native where it matters.
Connected where it counts.

Built for Apple

Swift / SwiftUI

Native iPhone and iPad experiences.

Built for Android

Kotlin / Compose

Modern, responsive Android interfaces.

Web experiences

Next.js

Fast websites and full-featured web apps.

Connected foundations

Supabase

Authentication, databases, and cloud sync.

Subscriptions, simplified

RevenueCat

In-app purchases and premium access.

Intelligence, closer to you

On-Device ML / Vision

Private text recognition and smart capture.

03 / Shape your project

Big idea. Clearer budget.

Explore a starting scope in a few clicks.
Then let’s make it yours.

01 Where will it live?
02 What does it need?
03 What’s your pace?

04 / Start a conversation

Something in mind?
Let’s make it real.

You bring the idea. I’ll help you find the right path from first sketch to a product people can use.

JA
Jarrod AveryIndependent developer · Supply4u
support@supply4uapps.com

Need help with Serenity?
serenity@supply4uapps.com

Your project details

Project type

Include your goals, budget, and timeline if known. 20–5,000 characters. Please don’t include passwords or sensitive personal information.

Submitting a request doesn’t commit you to a project.

A few things you might be wondering.

Is the estimator a final quote?

No. It’s a planning range based on $75/hour and a starting set of scope assumptions. After we discuss your app, you’ll receive a project-specific scope and quote before work begins.

Will I work directly with the developer?

Yes. Supply4u is my independent studio. You’ll work directly with me, Jarrod Avery, from the first conversation through delivery.

Can you help with store submission?

Yes. Launch preparation includes build testing, submission guidance, and help responding to review feedback. Apple and Google make the final approval decisions.