Stop Estimating in Numbers: Why Your Team Needs Pumpkins and Whales
A number on the board becomes a deadline in someone's head. Trade the numbers for pumpkins and whales.
Read →Estimation scales & card decks
Pick a deck that fits your team and start a session in one click. Each room is pre-loaded with the chosen scale — no setup required.
T-Shirt Sizing
Estimate effort with T-shirt sizes (XS to XXL) for relative, low-precision sizing.
XSSMLXL+ morePowers of Two
Use powers of two (1, 2, 4, 8, 16, 32) for an exponential effort scale.
124816+ moreModified Fibonacci
The classic modified Fibonacci sequence (0, 1/2, 1, 2, 3, 5, 8, 13, 20, 40, 100).
00.5123+ moreLinear
A simple linear deck (1, 2, 3, 4, 5) for fine-grained, even-step sizing.
12345+ moreFruits
A playful, non-numeric deck (Grape to Pumpkin) for relative sizing without numbers.
GrapeApplePineappleWatermelonPumpkin+ moreAnimals
An engaging relative deck (Ant to Whale) for sizing by association.
AntRabbitDogLionWhale+ more
Recent articles
Beyond Standard Fibonacci: Picking the Right Deck for Your Sprint
Standard Fibonacci is a default, not a law. When to reach for powers of two, modified Fibonacci, or a plain linear deck.
Read →Story Points vs. Hours: Why We Stopped Estimating Time
Time is subjective. Complexity is universal. Why story points price in the risk and unknowns that hours can't.
Read →The Science of Relative Sizing
'Is this bigger than that?' is a question your brain evolved to answer. 'How many hours?' is one it didn't.
Read →Anchor Bias Is Why You Reveal Blind
Someone says 'I think it's a 3' and the round is over before it started. Blind reveal exists for a reason.
Read →
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