Field sales · four platforms

Gümrah Saha

Gümrah Saha is a multi-tenant app for field sales teams that runs on Android, iOS, the web, and Windows. Representatives and managers see the customer accounts, statements, stock, quotes, orders, invoices, and collections they are authorised for in one place. The app connects to the installation run by the business you work for, not to a central server.

Android · SooniOS · SoonWeb · LiveWindows · Via your company

Privacy Support

Platforms

Gümrah Saha is one product, written separately for each platform with that platform’s own tools. All four versions connect to the same server in the same way, and their behaviour is kept identical.

Android

Kotlin and Jetpack Compose · Android 8.0 and later. Being prepared for Google Play; not in the store yet.

iOS

Swift and SwiftUI · iPhone and iPad, iOS 26 and later. Being prepared for the App Store; not in the store yet.

Web

React and TypeScript · any current browser, nothing to install. Live at each firm’s own address: https://<firmcode>.gumrah.app/uygulama/

Windows

WinUI 3 and .NET 10 · Windows 10 (1809 or later) or Windows 11, 64-bit. Not published in a store; your company’s system administrator provides the installation package.

App details

On launch you connect with a firm code or a server address, then sign in with a username and password. The web version opens from the firm’s own address, so it skips that step and starts at the sign-in screen. Which modules and screens appear is decided by the firm configuration returned by the server together with the user’s role: the same app opens with a different menu at every business.

Use Case

Field sales and bookkeeping: accounts, stock, quotes, orders, waybills, invoices, and collections

Data Controller

The business you use the app with. Business data is kept on that business’s own server; the developer runs no central server that collects it.

Key features

Connect with a firm code

Your firm code resolves to https://<firmcode>.gumrah.app/; if your installation lives at a different address, the server address is entered by hand. The web version already opens from the firm’s address, so it asks for no code.

Menu shaped by the firm

The main menu is the intersection of three axes: the modules the business is licensed for, the screen configuration returned by the server, and the user’s role permissions. The firm’s logo and brand colour come from the server too.

Owner dashboard and reports

A dashboard that sums up the company’s cash and debt position for management; profit and loss, account reports, reconciliation, and average due date.

Accounts and statements

The accounts you are authorised for, with balances, in one list; address, directions, phone, and email on each account. Statements with an opening balance row and a running balance, exported as PDF. New accounts can be opened from the app.

Stock and catalogs

Product records with quantity and price; new stock records and PDF product catalogs.

Quotes, orders, and waybills

Quote creation with PDF output; pending orders and waybills, waybill pricing, and factory order suggestions.

Invoices and collections

Invoices and their lines, plus e-invoices and e-waybills received from GİB that are not yet processed; collection receipts (PDF), collection reports, card collections, and cheques and notes.

Messages and users

One-to-one, group, and announcement messages; feedback for suggestions, complaints, and bugs. Managers handle staff accounts from within the app.

Privacy

No version of Gümrah Saha contains advertising, usage analytics, or crash reporting, and none asks for location, camera, microphone, contacts, photo, or calendar access. Business data is kept on the server run by the business you work for. Session credentials live in each platform’s protected store: the Keychain on iOS, encrypted storage on Android, and Windows data protection (DPAPI) on Windows; on the web, the session ends when the tab is closed. Notifications exist only in the Android version and are delivered through Google’s Firebase Cloud Messaging. The privacy policy below covers the iOS version.