
Free
About
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
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What's New in BIST Cost Assistant
1.0
July 20, 2026