More Clarity. More Possibilities

Your Financial
Calculator Toolkit

What if you paid a little extra? Saved a little more? Explore the difference your next decision could make.

Designed for your numbers. No bank connection needed.

Meet FinstrumentFinstrument mortgage payoff app concept showing loan inputs and a quick payoff preview
Small changes. Real possibilities.Improve What You MeasureExplore it before you commit.
App design concept
11 planned calculators
Compare your possibilities
See projected milestones
Built around life's decisions

Big questions.
Clearer next steps.

Meet all 11 calculators
The power of “what if”

One change.
A different future.

Your first answer is just the beginning. Keep a baseline, explore an alternative, and see what changes side by side.

Discover scenario comparison
Mortgage payoff comparisonILLUSTRATION
Current monthly payment$2,620
Extra monthly payment+$500
Time saved5 years, 6 months
Projected interest saved$71,856
Example: $428,650 balance at 4.75% annual interest, compounded monthly. Constant payments and rate; excludes fees and penalties. Rounded estimates.
Less guesswork. More understanding.

A clearer picture,
one step at a time.

Designed to make the numbers approachable, so you can focus on the decision.

01

Start with your numbers

Enter the details that matter, from a loan balance to a monthly contribution.

02

Explore a different scenario

Change an input and compare the projected outcome against your starting point.

03

Keep the big picture

See the essential results in a concise summary. Open charts when you want to go deeper.

Your next move starts with “what if?”

Find the calculator for the question on your mind.

Explore the lineup
A plan that fits

One toolkit.
Two simple plans.

See pricing details
Monthly

Keep it flexible.

$4/month

Billed monthly at $4.

  • All 11 planned calculators
  • Scenario comparisons
  • Clear results and projected milestones
Available when the app launches
Annual
Save $8 a year

Plan for the bigger picture.

$40/year

Billed annually at $40. About $3.33/month.

  • All 11 planned calculators
  • Scenario comparisons
  • Clear results and projected milestones
Available when the app launches

Planned pricing. Subscriptions will be available when Finstrument launches.