See What Your Money Could Become
Before you click "Buy Now," discover the true opportunity cost. That $100 purchase could be worth $197 in 10 years if invested instead.
Works on Amazon and major shopping sites
Make Smarter Spending Decisions
Every purchase has a hidden cost - the growth you could have earned by investing that money instead.
See the True Cost
Instantly see what any purchase could be worth in the future if you invested the money instead.
Track Your Savings
See how much you've saved by skipping impulse purchases. Watch your potential wealth grow.
Want vs. Need
Optional prompts help you pause and reflect before clicking "Buy Now" on impulse purchases.
Sync Across Devices
Sign in to sync your settings and savings data across all your devices.
Customizable Settings
Set your own return rate, investment horizon, and minimum price thresholds.
Privacy First
Your browsing data stays on your device. We never sell or share your information.
How It Works
Simple math, powerful insight. The True Cost Calculator uses compound interest to show opportunity cost.
Install the Extension
Add True Cost Calculator to Chrome with one click. No account required to start.
Shop as Usual
Browse Amazon and other shopping sites. The extension automatically detects prices.
See the True Cost
A subtle badge appears showing what the money could grow to if invested instead.
Make Better Decisions
With the true cost visible, decide if the purchase is really worth it to you.
Try the Calculator
See how your money could grow over time.
S&P 500 average: ~7% after inflation
What Users Are Saying
"This extension completely changed how I think about spending. I've saved over $500 in just two months!"
"Simple concept, powerful impact. The "want vs. need" prompt has stopped so many impulse buys."
"Finally, an extension that helps me build wealth instead of just tracking what I spend."
Start Making Smarter Purchases Today
Join thousands of users who are building wealth one decision at a time.
Add to Chrome - It's Free