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See the real numbers before you rent, buy or invest.

Compare apartments by what they really cost each month, see how much cash you need to buy, and test what a property would earn. Free, for Manhattan and the Hamptons.

Renting

Compare apartments

See each place's true monthly cost and the cash to move in, ranked by what matters to you.

Try now with sample apartmentsCompare sample apartmentsLog your own apartments (free account)

Buying a home

Estimate the cash to buy

Your deposit plus every closing cost, itemised, for the price you enter.

Available now, no account needed

Investing

Test a property's numbers

Enter the price and the rent it would earn to see the monthly cash flow, the cash to buy and the annual return.

Available now, no account needed
Or open a sample analysis: the Franklin Loft

An example result

The asking rent isn't what you'll pay

Three sample apartments from the rental tracker. Count free months, fees, amenity charges and utilities, and Bedford Avenue two-bedroom really costs $231 a month more than it asks, while Riverside tower one-bedroom costs $145 less.

ApartmentAsking rentWhat you'd pay each monthCash to move in
Riverside tower one-bedroomLincoln Square · 24 min commute$5,950$5,805$12,200
Bedford Avenue two-bedroomWilliamsburg · 34 min commute$5,200$5,431$10,650
Hudson Street one-bedroomWest Village · 18 min commute$6,450$6,648$13,350

"What you'd pay each month" spreads free months and one-off fees across the lease, then adds amenity fees and estimated utilities. "Cash to move in" is the first month, the deposit and any fees.

See these three side by side

What's free, and what needs an account

Everything open today is free. There's no paid plan yet.

No account needed

Use straight away

  • Cash to buy and closing costs, itemised
  • Test a property's numbers
  • Mortgage comparison, using example loan profiles
  • Rent or buy calculator
  • The rental tracker, with sample apartments

With a free account

  • Log and save your own apartments
  • Save your priorities for ranking them
  • Viewings, deadlines and renewal dates in one list
  • Export everything to a spreadsheet
Create a free account
Coming later

Not built yet

  • Analysing a listing from its link, address or photo
  • Shared deal rooms for deciding with a partner
  • The iPhone inspection app
  • Optimal Case Pro for investors (no price set yet)
See what's coming

More help with the decision