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H3 Technologies
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Shopify Custom App Development

Custom Shopify apps built around how your store works

When no App Store app fits, we build one just for you. Custom apps automate your daily work, connect Shopify to your other systems and add the exact features your team needs, built by the team behind 25+ public Shopify apps.

Get a free consultation See our work

Custom app · order workflow

Running
  1. TriggerOrder createdOrder #3087 · 2 items
  2. ConditionShips from main warehouseRule matched
  3. ActionTag order and set priorityTag: express
  4. ActionSend to ERP and warehouseSynced
  5. ActionNotify the customerWhatsApp and SMS
ERP · CRM · couriers · accountingBuilt around how you work

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What we offer

Shopify Custom App Development services

01

Workflow automation

Tag, route, split and update orders, products and customers automatically.

02

System integrations

Connect Shopify with your ERP, warehouse, courier, CRM or accounting software.

03

Checkout and Functions

Checkout UI extensions and Shopify Functions for discounts, delivery and payments.

04

Admin tools

Embedded admin pages and reports built for your team's daily tasks.

05

Messaging

WhatsApp, SMS and voice notifications tied to your order flow.

06

Support and upgrades

API version upgrades, monitoring and new features after launch.

25+ apps on the Shopify App Store

The same team that builds your store publishes and supports apps used by Shopify merchants every day.

WhatomationRobo Calls PakistanTexnityOrder Tracking NotifierKYC | Know Your CustomerBranded SMS PakistanParcel Proof VideoCloud Call

How we work

From first call to launch

  1. 01

    Discover

    A short call to understand your goals, users and deadline. You get a written scope and a fixed quote.

  2. 02

    Design

    Wireframes and visual designs you review and approve before any code is written.

  3. 03

    Build

    Development in short sprints with regular demos, so you always see progress and there are no surprises.

  4. 04

    Launch & grow

    Testing, launch, training for your team, then support and improvements every month.

Tools and technology

  • Shopify Admin API
  • GraphQL
  • Shopify Functions
  • Checkout UI extensions
  • Remix
  • Node.js
  • Laravel

Recent work

Projects we've delivered

All case studies
ZENVY logoZENVYWhatsApp order confirmation with TexnitySnaaplet logoSnaapletCOD confirmation with TexnityRONIN logoRONINAutomated COD order confirmationK-Linen logoK-LinenRobo call + WhatsApp confirmationLAAM logoLAAMShopify app & order notificationsALDO logoALDOSystems integrationShomi logoShomiCustom apps & integrationsZubaida's logoZubaida'sEcommerce store

FAQ

Shopify Custom App Development: common questions

Custom app or public app?

A custom app is built for one store or brand and is not listed on the App Store. If you want to sell your app to many merchants, see our Shopify app development service.

Can you connect Shopify to our ERP?

Yes. We have built integrations with ERPs, warehouses, couriers and accounting tools.

Related services

Shopify DevelopmentNew stores, redesigns, migrations and ongoing support from a Shopify Select Partner.Shopify App DevelopmentPublic and custom Shopify apps from a team with 25+ apps on the App Store.Shopify Theme DevelopmentCustom Online Store 2.0 themes that are fast and easy to edit.