--- title: App Development | SunRiver Consulting --- [Skip to content](https://www.sunriverconsulting.us/app-development-sunriver-consulting#main-content) [![logowiothtitletransparent](https://www.sunriverconsulting.us/hs-fs/hubfs/logowiothtitletransparent.png?width=93&height=93&name=logowiothtitletransparent.png)](https://www.sunriverconsulting.us?hsLang=en-us) - [About](https://www.sunriverconsulting.us/about) - [News](https://www.sunriverconsulting.us/news-sunriver-consulting) - [Our Team](https://www.sunriverconsulting.us/our-team-sunriver-consulting) - [Solutions/Products](https://www.sunriverconsulting.us/solutions-products-sunriver-consulting) - [App Development](https://www.sunriverconsulting.us/app-development-sunriver-consulting) - [Android](https://www.sunriverconsulting.us/app-development-sunriver-consulting) - [Apple/iOS](https://www.sunriverconsulting.us/app-development-sunriver-consulting) - [Desktop App](https://www.sunriverconsulting.us/app-development-sunriver-consulting) - [Web App](https://www.sunriverconsulting.us/app-development-sunriver-consulting) - [Business Solutions](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [AWS Integration](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [Cascade CMS](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [CI/CD](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [Google Analytics 4](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [HubSpot CMS](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [HubSpot CRM](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [Microsoft 365](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [Salesforce CRM](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [ServiceNow ITMS](https://www.sunriverconsulting.us/business-solutions-sunriver-consulting) - [Compliance Audits](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [Penetration Testing](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [Threat Modeling](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [WCAG 2.0 - 2.2](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [508 Compliance](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting) - [Database Solutions](https://www.sunriverconsulting.us/database-solutions-sunriver-consulting) - [Administration](https://www.sunriverconsulting.us/database-solutions-sunriver-consulting) - [Analysis](https://www.sunriverconsulting.us/database-solutions-sunriver-consulting) - [Development](https://www.sunriverconsulting.us/database-solutions-sunriver-consulting) - [Design](https://www.sunriverconsulting.us/database-solutions-sunriver-consulting) - [Web Development](https://www.sunriverconsulting.us/web-development-sunriver-consulting) - [Custom Website](https://www.sunriverconsulting.us/web-development-sunriver-consulting) - [HubSpot](https://www.sunriverconsulting.us/web-development-sunriver-consulting) - [SquareSpace](https://www.sunriverconsulting.us/web-development-sunriver-consulting) - [WordPress](https://www.sunriverconsulting.us/web-development-sunriver-consulting) - [Pricing](https://www.sunriverconsulting.us/pricing) - [Get a Quote](https://www.sunriverconsulting.us/quote-sunriver-consulting) - [Remote Consultation](https://www.sunriverconsulting.us/schedule-a-consultation-sunriver-consulting) - [Contact](https://www.sunriverconsulting.us/contact) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. App Development # Apps built to ship, not to demo We build native and cross-platform apps for Android, iOS, desktop, and the web, signed, store-ready, and accessible from the first commit. Senior engineers only, fixed fee. [Get a Quick Estimate →](https://www.sunriverconsulting.us/quote-sunriver-consulting?hsLang=en-us)[Schedule a Consultation →](https://www.sunriverconsulting.us/schedule-a-consultation-sunriver-consulting?hsLang=en-us) Explore ## What we do. Tap any card for a quick look, then dive into the full detail. ### Android Kotlin and Jetpack Compose apps with Material 3, offline sync, and Play Store signing that run smoothly on low-end devices. Kotlin and Jetpack Compose, Material 3, and a Play Store release pipeline we own end to end. We test on the cheap, slow devices your users actually carry, not just the flagship in the office. What’s inside - Kotlin & Jetpack Compose - Material 3 by the book - Play Store release & signing - Background work & offline sync - Performance on low-end devices ### Apple / iOS Swift and SwiftUI apps that follow the Human Interface Guidelines, pass App Store review, and respect App Tracking Transparency. Swift and SwiftUI built to the Human Interface Guidelines, shipped through TestFlight, and tuned for App Store review before we submit. Privacy and ATT handled correctly. What’s inside - Swift & SwiftUI - App Store review & TestFlight - Human Interface Guidelines - Push & notifications - Privacy & App Tracking Transparency ### Desktop App Electron and native .NET / macOS desktop apps with code signing, notarization, and silent auto-update built in. Cross-platform with Electron when you want one codebase, or native .NET on Windows and Swift on macOS when you need the metal. Either way it ships signed, notarized, and updating itself silently. What’s inside - Electron / cross-platform - Native Windows (.NET) - Native macOS - Auto-update - Code signing & notarization ### Web App React and Next.js apps in TypeScript over GraphQL or REST, installable as offline PWAs and tested against WCAG 2.2 AA. React and Next.js in TypeScript, talking to GraphQL or REST APIs, installable as an offline PWA, and built to WCAG 2.2 AA so everyone can use it. What’s inside - React & Next.js - TypeScript end to end - GraphQL & REST APIs - Offline PWA - Accessibility (WCAG) What we build ## One senior build, every platform iOS Android Web Desktop Swift and SwiftUI built straight to the Human Interface Guidelines, shipped through TestFlight and tuned to pass App Store review on the first submission. - Swift & SwiftUI, native feel - TestFlight beta and phased rollout - Push, in-app purchases, ATT privacy - Tested on the oldest device you still support Kotlin and Jetpack Compose with Material 3, delivered through a Play Store release track you control, and kept smooth on the cheap, slow phones your users actually carry. - Kotlin & Jetpack Compose - Play Store signing and staged rollout - Offline sync and background work - Performance on low-end devices React and Next.js in TypeScript over your GraphQL or REST APIs, installable as an offline PWA and built to WCAG 2.2 AA so everyone can use it. - React, Next.js, TypeScript - Installable offline PWA - GraphQL & REST integration - Accessibility baked in (WCAG 2.2 AA) One Electron codebase when you want every OS at once, or native .NET on Windows and Swift on macOS when you need the metal. Either way it ships signed, notarized, and updating itself silently. - Electron or fully native - Windows (.NET) and macOS - Silent auto-update - Code signing & notarization How we work ## What you get with every app What is included with every app we build, in plain language. ### Designed around your users Not a template stretched to fit. We start from what your users need to do, then build the smallest thing that does it well. Clean code, real documentation, and a handoff that leaves everything in your name. [Start a project →](https://www.sunriverconsulting.us/quote-sunriver-consulting?hsLang=en-us) ### Shipped, not just shown Store-ready from day one. Signing, store review, beta tracks, and release pipelines are handled for you. You get an app that is live and updating, not a demo that stalls at submission. [See how we work →](https://www.sunriverconsulting.us/app-development-deep-dive-sunriver-consulting?hsLang=en-us) ### Yours to own No lock-in, no surprise bills. The code, the accounts, and the recurring costs stay in your name. We document everything so any engineer can pick up where we left off. [Talk it through →](https://www.sunriverconsulting.us/schedule-a-consultation-sunriver-consulting?hsLang=en-us) ## Have an app to build or rescue? Tell us the platforms, the deadline, and what hurts today. We’ll scope a fixed fee and tell you honestly what we’d build first. [Get a Quick Estimate →](https://www.sunriverconsulting.us/quote-sunriver-consulting?hsLang=en-us) [![SunRiver Consulting logo](https://www.sunriverconsulting.us/hubfs/icon%20transparent.png)](https://www.sunriverconsulting.us/?hsLang=en-us) SunRiver Consulting provides innovative cloud, security, and CMS solutions tailored for modern businesses. We empower teams to build, scale, and automate with confidence. Helena, MT 59601 (406) 616-2614 #### ABOUT US - [Our Vision & Mission](https://www.sunriverconsulting.us/about?hsLang=en-us) - [Our Team](https://www.sunriverconsulting.us/our-team-sunriver-consulting?hsLang=en-us) - [Solutions/Products](https://www.sunriverconsulting.us/solutions-products-sunriver-consulting?hsLang=en-us) #### RESOURCES - [News](https://www.sunriverconsulting.us/news-sunriver-consulting?hsLang=en-us) - [Accessibility](https://www.sunriverconsulting.us/compliance-audits-sunriver-consulting?hsLang=en-us) - [Pricing](https://www.sunriverconsulting.us/pricing?hsLang=en-us) #### CONTACT US - [Get a Quote](https://www.sunriverconsulting.us/quote-sunriver-consulting?hsLang=en-us) - [Schedule a Consultation](https://www.sunriverconsulting.us/schedule-a-consultation-sunriver-consulting?hsLang=en-us) - [Contact](https://www.sunriverconsulting.us/contact?hsLang=en-us) © 2026 All rights reserved. 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