About this app
BTW Pro: Your Ultimate BTW Buddy Experience effortless, smooth, and accurate BTW calculations with BTW Pro, the ultimate BTW Calculator app designed just for you. # Smart, Swift BTW Calculations Switch seamlessly between all supported rates for the Netherlands and Belgium. Perform calculations swiftly without any hassle. # Store Your Calculations and sync with iCloud Save your frequently used calculations for instant access and have them in sync on all your devices. Your handy calculation companion, always within reach. # Stylish Theme Selection Choose from a variety of themes to match your mood. Why settle for less? Upgrade to BTW Pro for flawless BTW calculations.
Latest release
What’s New
UI improvements
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 8, 2026 · 1:15 PM $1.99
Screenshots
