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03APPS

Apps and integrations

Web apps, iOS and Android apps, MVP builds, and the API integrations and automations that tie a business’s tools together. I design and build them end to end, and you deal with the person writing the code.

Covers
  • web apps
  • iOS & Android
  • API integrations
  • automations
  • Stripe payments
  • MVP builds

Product builds

Full design and development for digital ideas beyond commerce. An MVP build puts the core of an idea in front of real users, with Stripe payments when it needs to take money.

Integrations

Payments, shipping, ERPs, CRMs and third-party APIs, wired into whatever your business runs on. That covers tax and inventory sync, Klaviyo and custom APIs, and private Shopify apps when a store needs one.

Automations

The jobs someone does by hand every week, set to run on their own, on a schedule or when something happens. A care plan keeps them running when a service they rely on changes.

  • Scheduled jobs: nightly inventory and price syncs, a report emailed every Monday, feeds and backups
  • Workflow tools: Zapier, Make and n8n flows between the apps a business already uses
  • AI agents on a schedule: Claude agents that check or research something on a timer and hand back a change for a person to approve
  • Store automations: Shopify Flow for tagging orders, low-stock alerts and routing fulfilment

One developer, start to finish

Work an agency puts three people on, I ship alone, and the savings go into your quote. Pair-programming, automated review and generated tests shorten the build. I still review, test and deploy every line myself.

Common questions

What does a web app cost?
The build estimator puts web apps at US$3,000–21,500 depending on scope. Integrations add US$1,000–1,500 for a marketing stack or US$2,500–5,000 for ERP and custom APIs. iOS and Android apps are quoted the same way: one flat, fixed price agreed before work begins.
Can you connect our store to an ERP or CRM?
Yes. Payments, shipping, ERPs, CRMs and third-party APIs are all integration work I do, on Shopify and on custom builds.
Can you automate the jobs we do by hand?
Yes. Automations are priced like integrations, as one flat, fixed quote: US$1,000–1,500 for ones that connect marketing tools, or US$2,500–5,000 for ones built on an ERP or custom APIs. A care plan keeps them running after launch.
Who looks after the app once it’s live?
I do, on a monthly care plan. Peak includes dedicated developer days and new features and integrations shipped every month.