Real prices, last 15 years

What $200 a month really becomes.

Pick a stock everyone knows. See what a boring monthly amount turned into over the last 5, 10 or 15 years, on real prices. Then see what the same years could do for you.

Run my numbers ↓ See Keep Planner
Nobody notices. That's the point.
Keep, the Keep Finance cartoon character, waving

Keep's three quiet rules

No hacks. No hot tips. Just the habits from every Keep story.

1

Pay yourself first

The investment leaves on payday, before rent, before fun. You never see it, so you never miss it.

2

Never skip free money

A 401(k) match is a raise you only get if you ask for it. Keep always asks.

3

Buy the dream, once

Big purchases pass three tests first. If they pass, enjoy them with zero guilt.

Look inside Keep Planner

A simple app on your phone or computer. Real prices, your numbers, one clear answer.

Full replay: $200 a month in Apple compared with the S&P 500 over 10 years, on real prices
Pick any of 30 stocks and index funds, your own monthly amount and up to 15 years. Put two side by side and see which one really did more.
Web app + Google Sheets

Keep Planner

The full replay and your own plan, in one place you come back to every month.

  • The full replay30 stocks and index funds, your amount, 1 to 15 years, real prices.
  • Side by sideApple or the S&P 500? See which one really did more.
  • Your freedom ageThe age your money pays your bills, from six simple questions.
  • Monthly check-inOne number a month. See if you are ahead of your plan.
  • Dream purchase testKeep's 3 rules tell you when you can buy it guilt free.
  • Bonus spreadsheetKeep's Quiet Wealth Planner for Google Sheets and Excel.
$15one-time
  • Your license key arrives right after checkout
  • Works on your phone and your computer
  • Prices updated every month
  • Your numbers stay on your device
Get Keep Planner – $15

Secure checkout by Gumroad. Card, Apple Pay and Google Pay.

Already have it? Open Keep Planner →

Before you buy

How do I get in after I buy?

Your Gumroad receipt has a license key. Open mykeepfinance.com/app, paste it once, and you are in. Do the same on your phone if you want it there too.

Are the stock numbers real?

Yes. Real monthly prices from the last 15 years, with dividends reinvested, updated every month. They show what really happened. They do not promise what happens next.

Is it a subscription?

No. You pay $15 once.

Can anyone see my numbers?

No. Your plan is saved on your own device, and the spreadsheet lives in your own Google Drive. We never see what you type.

Is this financial advice?

No. It's a calculator and a set of habits from the Keep stories. It does the math; the decisions stay yours.

Who is Keep?

Keep is the quiet guy in every Keep Finance story: ordinary paycheck, old car, coffee from home, and a net worth nobody would guess. New POV stories every week.

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