BIST Cost Assistant

BIST Cost Assistant is a fast, simple and fully offline calculation tool built for share market investors. Calculate your average share cost, reduce your average cost, estimate dividends and simulate profit or loss—all in one easy-to-use app.

Key Features

• Average Cost Calculator

Add purchases made at different prices and quantities. Instantly view your total shares, total investment and average cost per share.

• Smart Cost Averaging

Want to lower your average cost? Enter your target average and the app calculates how many shares you need to buy and the required investment.

• Dividend Calculator

Calculate gross and net dividends based on your holdings and dividend per share. Withholding tax is calculated automatically and dividend yield is also displayed.

• Profit/Loss Simulator

Enter your average cost and number of shares to instantly estimate your profit or loss at different selling prices.

• Save Calculations

Save calculations for each stock and edit them whenever you like.

• Backup & Restore

Export your records as a JSON file and restore them easily on another device.

• Multiple Currencies

Supports TRY, USD, EUR and more.

• Light & Dark Mode

A modern interface designed for comfortable day and night use.

• Fully Offline

No internet connection is required. Your data stays only on your device.

Disclaimer: This app is provided for calculation purposes only and does not constitute financial or investment advice. Results are based solely on the information you ente