Warnify

Custom app for your store

We can build a small Shopify app around the way your store actually works.

If your team keeps working around Shopify with spreadsheets, manual checks, theme hacks, or repeated support messages, a focused private app can often remove the friction. We start with a useful first version for free. If you like it and want to keep improving it, we continue for a small monthly or project fee.

Start freeHow free start works
Freefirst working version for a clear store problem
Smallpaid continuation only after you see value
Practicalbuilt around your workflow, not a generic bundle

Built for your store

The app can match your catalog rules, team process, theme behavior, fulfillment flow, or customer communication needs instead of forcing you into a one-size-fits-all tool.

No pressure at the start

We pick a narrow problem, build the first version, and let you test it. If it is not useful, you do not need to keep going.

Small, clear scope

The first release is intentionally lean: one workflow, one measurable improvement, and enough polish for real daily use.

Shopify-native foundation

We can work with Admin APIs, theme app blocks, app proxies, webhooks, metafields, checkout validation, billing, and embedded admin screens.

custom Shopify appprivate Shopify appShopify app for my storecustom ecommerce appShopify workflow automationShopify admin appShopify storefront widgetShopify checkout validation appShopify metafield appfree Shopify app start

What we can build

Turn a recurring store headache into a button, rule, dashboard, or automation.

Many stores do not need a giant enterprise system. They need one reliable tool that fits their exact business rule: warn customers before purchase, sync product data, review risky orders, collect extra instructions, route fulfillment, or keep staff from missing a step.

A private Shopify app is useful when the workflow is specific enough that public apps feel bloated, expensive, or almost right but never quite right. Instead of stacking five subscriptions and still doing manual cleanup, we can build one app that handles the exact job.

  • Admin dashboards for staff workflows and rule management.
  • Storefront widgets and theme app blocks that fit the theme.
  • Automations triggered by orders, products, customers, tags, or metafields.
  • Checkout or cart checks where Shopify supports validation.
Abstract ecommerce app workflow with admin panels and storefront preview
A custom app can connect the admin workflow, storefront behavior, and store data in one focused tool.
Online store app concept with laptop, tablet, packaging, and UI panels
The goal is not a flashy demo. The goal is a small working system that your team can trust.

Why not just install another app

Public apps are great until your workflow is the edge case.

A public app has to serve thousands of merchants, so it usually comes with broad settings, broad assumptions, and broad pricing. That is useful for common needs, but awkward when your team needs a precise exception, a special approval step, or a rule that depends on your product structure.

A small custom app can stay calm and direct. It can use your names, your product logic, your operating sequence, and your preferred admin view. Your team gets fewer decisions to make and less training to remember.

  • Less noise in the admin because the app only contains what you use.
  • Less fragile theme code because behavior lives in app blocks and APIs where possible.
  • Less manual support work because rules are enforced consistently.

Low-risk start

Try the idea before turning it into an ongoing commitment.

We start by choosing one store problem that can be proven quickly. That could be a warning flow, product data tool, order review screen, staff checklist, custom metafield editor, or a simple automation.

After the first version is working, you decide whether it deserves more time. If it saves work, prevents mistakes, or makes the store easier to run, we can continue for a small fee and add the next useful layer.

  • Free first version for a clear and limited scope.
  • Small paid continuation only after you see the result.
  • No need to commit to a long build before the idea is proven.
Custom app launch roadmap with abstract progress and payment visuals
Start small, test in the real store context, then keep only what proves useful.

Process

A simple path from idea to useful app

The work starts with the smallest useful version. That keeps the project quick, understandable, and easy to judge.

1

Send the store problem

Describe the manual task, missing rule, confusing customer step, or app limitation you keep running into.

2

Define the first version

We choose a narrow workflow that can be built and tested without turning the project into a long specification exercise.

3

Build and install

The first working version is built for your Shopify setup and tested against the real admin or storefront flow.

4

Continue only if useful

If the app helps, we agree on a small fee for support, improvements, hosting, and the next features.

Use cases

Good fits for a custom Shopify app

The best projects are specific, operational, and easy to recognize once they are fixed.

Product and cart warnings

Show special notices, require acknowledgments, preserve consent evidence, or block checkout when a required rule is not accepted.

Order review workflows

Flag orders that need staff attention because of address rules, product combinations, customer notes, fraud signals, or fulfillment exceptions.

Metafield tools

Give staff a cleaner way to maintain product data, variant notes, badges, sizing data, restrictions, or content that drives the storefront.

Theme-connected widgets

Add storefront components that are managed from the Shopify admin and can be placed cleanly in the theme editor.

Data sync and cleanup

Keep product tags, metafields, collection logic, or external data in sync without relying on repeated manual edits.

Internal staff dashboards

Create one screen for the exact store operation your team checks every day, with fewer clicks and less noise.

Illustrative feedback

What merchants usually want from a small custom app

These are fictional sample comments, written to show the kind of outcome a focused store app is designed for. Real client quotes will be added here only after we have permission to publish them.

Fictional example

The first version did one thing well: it caught the product exceptions our team kept checking by hand. That was enough to know the idea was worth continuing.

Maya

Operations lead, fictional skincare store

Fictional example

We did not need a huge platform. We needed a small admin screen that matched our catalog rules and stopped staff from guessing.

Leo

Founder, fictional outdoor gear store

Fictional example

The useful part was seeing a working version before paying for a long project. After testing it with real orders, the next features were obvious.

Nora

Store manager, fictional home goods shop

Demo stores

Example store types we can build apps for

These store names are fictional demo examples, not client claims. They make it easier to picture the app shape before we replace them with real published case studies.

Fictional demo store

Northline Outdoor Co.

Outdoor equipment

Product restriction and handling-warning app

Shows product-specific notices, requires acknowledgment, and flags orders that need staff review.

Fictional demo store

Luma Pantry

Specialty food

Cold-shipping and delivery-rule helper

Checks cart contents, shows delivery notes, and keeps staff aware of temperature-sensitive items.

Fictional demo store

Harbor & Stitch

Made-to-order apparel

Custom production checklist

Turns order notes, variants, and product tags into a cleaner internal production queue.

Fictional demo store

Finch Baby Goods

Baby products

Safety notice and consent workflow

Adds storefront notices for selected products and preserves the warning version accepted by the shopper.

Questions

Common questions before we start

Is the first version really free?

Yes, for a small and clearly defined first version. The point is to prove whether the app is useful before asking you to pay for ongoing work.

What happens after the free version?

If you like it, we can continue for a small fee that covers improvements, support, hosting, maintenance, and Shopify platform updates.

Will this replace public Shopify apps?

Sometimes, but not always. A custom app is best when your workflow is specific, repeated, and valuable enough that a generic public app is not a clean fit.

Can it work with my current theme?

Usually yes. Storefront features can often be added through theme app blocks or app proxy endpoints, depending on the theme and the exact behavior needed.

Tell us the annoying store task you want to stop doing manually.

We will turn it into a small first version, let you test it, and only continue if it earns its place in your store.

Start free