Custom Mobile App Development for Business
We build an app around your task for iOS and Android: from planning and design to store publishing and technical support.
from $1,390: an app for your online store · from $5,700: a custom app built from scratch
Have an online store? → PowerApp, a ready-made turnkey app.
We have released more than 20 apps. Here are some of them
An app for any task, not only for a store
Eight areas where we already have apps in production. Your task is not on the list? That does not mean we will not take it on.
Online stores and retail
• catalog, cart, payments
• order statuses and tracking
• reward points and push instead of paid ads
Marketplaces and platforms
• vendor accounts
• commissions and payouts
• moderation, disputes, ratings
Delivery and logistics
• ordering and a live courier map
• routes, zones, statuses
• a separate app for drivers
Services, appointments and bookings
• schedules and online booking
• reminders and prepayment
• a dashboard for the specialist or the salon
Finance and payments
• wallets, accounts, transfers
• subscriptions and installments
• expense tracking and analytics
Customer and partner portals
• orders, stock, documents
• personal prices and terms
• settlements and reports
Internal and corporate apps
• tasks, requests, approvals
• checklists and photo reports
• offline work with sync later
Education and training
• courses, micro-lessons, languages
• tests, progress, certificates
• offline access to materials
Built around your processes
• we analyze your task first, with no one-size template
• we tell you what is needed and why
• estimate and timeline before work starts
What changes when a business gets an app
An app lives on the phone’s home screen and has access to what a browser cannot reach. That is where the difference comes from, both for the business and for the customer.
Have an online store? You may not need development from scratch. PowerApp is a ready-made app for iOS and Android that launches in 1–3 weeks, without months of waiting.
Almost anything a phone can do, an app can do too
The list is short, but it answers the question “can you build that?”. An app can use almost everything a phone can do, while a browser either has no access to it or only limited access.
We will make a preliminary estimate and work out the cost of building your app for iOS or Android.
Five stages, from analyzing the task to the app stores
At the end of each sprint we hand over a build you can install on your phone. You see the progress itself instead of a report about it.
- We break down the task and business processes, study the niche and how people will use the app.
- We map roles and user scenarios and prototype the key screens.
- The result: a specification and a stage-by-stage estimate.
- We design the interface for the specifics of iOS and Android: they are different platforms with their own rules.
- We work out every state: empty screens, errors, loading, no connection.
- You see the app before the first line of code is written.
- We split the work into sprints, and each one ends with a build you can install on your phone and try.
- The client side in React Native, plus the backend and API.
- Integrations: ERP or accounting system, payment gateway, shipping, analytics.
- We test on real devices: different screens, OS versions, weak connections.
- We prepare descriptions, screenshots and materials for the app stores.
- We publish to Google Play, the App Store and Huawei AppGallery, under our developer accounts or yours, whichever suits you, and see the app through review.
- We monitor crash reports and user reviews and fix what we find.
- We release updates for new iOS and Android versions.
- We add functionality as your business grows.
Contract and ownership. We work under a contract; the payment terms are agreed in it. The rights to the code we write belong to you: you can develop the app further with us, with your own team or with another contractor. We publish the app under our developer accounts or yours, whichever suits you.
React Native: one codebase instead of two
We build with React Native, and the reason is simple math: one codebase runs on both iOS and Android, so the logic does not have to be written and tested twice. One team, one test suite, and every fix ships to both versions of the app at once.
Faster to the first version
Shared logic is written once rather than separately for each platform. Less code means shorter timelines and fewer places where something can break.
Updates without resubmission
Some fixes reach users without going through store review. A bug can be fixed the day it is found, not after a week of waiting for approval.
Native when nothing else will do
Heavy graphics, specialized hardware, rare system features. If your task needs that, we will say so up front and build it natively.
Our toolkit. TypeScript: errors show up before launch, not in users’ hands. Expo and EAS: builds, publishing and the over-the-air updates that bypass the stores. React Navigation: moving between screens. Redux Toolkit or Zustand: app state. Reanimated: smooth animations. Jest and Detox: automated tests that run on every change. Firebase: analytics and crash reports after launch.
Apps we have built
Frequently asked questions
It depends on what we build. An app for an online store on a ready-made foundation costs from $1,390. Custom development from scratch, with your own logic and integrations, costs from $5,700. The price covers the design and its implementation in the app, the development itself and publishing to Google Play and the App Store.
From you we will need:
- business requirements: we will write the specification based on them;
- access to the systems the app will exchange data with;
- Google Play Console and Apple Developer accounts: if you do not have them, we will help you set them up.
Most likely not. For stores we have a ready-made app, PowerApp: catalog, cart, payments and push are already built, and launch takes 1–3 weeks. Development from scratch is for cases where a ready-made solution does not fit: services, portals, industry apps with their own logic. See PowerApp
On Google Play, the App Store and Huawei AppGallery. We prepare descriptions, screenshots and store materials, take the app through review and respond to the reviewers’ comments. If you do not have developer accounts yet, we will help you set them up.
The app keeps living: new iOS and Android versions come out, store requirements change, bugs turn up. We monitor crash reports and user reviews, release updates and add functionality. Thanks to React Native, some fixes reach users without going through store review.
You do. The rights to the code we write transfer to the client. That means you are not tied to a contractor: you can develop the app further with us, with your own team or with anyone else.
We work under a contract, and the payment terms are agreed in it. Scope and cost are fixed after the analysis: first the specification and a stage-by-stage estimate, then development.
Whichever suits you. We can publish under our Apple and Google developer accounts or under yours. If you do not have accounts yet, we will help you set them up, and then the app is registered to you from day one.
Client reviews
What clients say about our work and our add-ons on the CS-Cart Marketplace.
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