The maths before you fall in love with a unit.
26 free tools, built by an ex-mortgage banker. No sign-up.
What do you want to work out?
- How much can I borrow?Affordability
- What do I pay, and when?Purchase Planners
- How much stamp duty?Buyer's Stamp Duty
- Lowest home loan rate today?Home Loan Rates
- Is the asking price fair?Resale Price Check
- Selling first: what cash comes back?Sale Proceeds
- New launch or resale?New Sale vs Resale
- Which unit: view and sun?Unit Selector
Most used

Unit Selector
See the view and the sun from any unit of a new launch.

Sun Path
West sun or morning sun? Check any condo or address.

Projects Map
Every scored condo on a map. Search by MRT or school.

Affordability
Your maximum loan and purchase price, the way a bank works it out.
All tools
Purchase Planners
Sale Planners
Mortgage
- Affordability AssessmentMax loan, ceiling price & downpayment
- Home Loan RatesCheapest listed bank rates, checked daily
- Amortisation Table (Resale)Principal vs interest, month by month
- Compare Two HomesCash upfront & instalment, side by side
- Amortisation Table (New Sale)Progressive drawdown schedule
- Age-to-Mortgage ProjectionHow waiting changes your loan
- Pledging / Unpledging CalculatorAssets into loan capacity
Stamp Duties
Strategy
- Resale Price CheckAsking price vs actual same-project sales
- Decoupling CalculatorABSD saved vs the real cost
- New Sale vs Resale CondoSame budget, two paths compared
- Safety Net CalculatorReserves after the purchase
- Exit Strategy ForecastHolding period & breakeven view
- School & PropertyHomes near a school, P1 ballot odds
Want someone to read the numbers with you?
Ex-banker eyes on your budget, timeline and loan. A conversation, not a commitment.
Next step
Disclaimer
The tools on this page provide estimates for general reference only and do not constitute financial, legal, tax, or investment advice. Calculations are based on prevailing MAS, IRAS, HDB, and CPF rules and rates at the time of publication, which may change without notice. Actual figures — including loan eligibility, interest rates, stamp duties, and CPF usage — depend on your specific circumstances and the final assessment of banks, IRAS, and other relevant authorities. TRIBE makes no warranty as to the accuracy or completeness of any output and accepts no liability for decisions made in reliance on these tools. Please verify all figures with the relevant institutions or a qualified professional before committing to any transaction.