🏎️ UX in 60 seconds

Q: Uber's A/B test proved that showing a single fixed price increased ride bookings by 10% compared to

Uber's A/B test proved that showing a single fixed price increased ride bookings by 10% compared to showing a price range.

Q: Price ranges trigger the Uncertainty Effect, causing users to anchor to the highest possible price a

Price ranges trigger the Uncertainty Effect, causing users to anchor to the highest possible price and fear overpaying via Loss Aversion.

Growth.Design·Tuesday, May 12, 2026·2 min read

Design Product Growth

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AI Summary

This newsletter analyzes an Uber A/B test where a fixed price display outperformed a price range display by increasing rides 10%. The psychological explanation centers on the Uncertainty Effect, Anchoring Bias, and Loss Aversion — price ranges make users focus on the worst-case cost. A further UX optimization is proposed: highlighting when prices are lower than usual to increase perceived value.

Key Facts

✓Uber's A/B test proved that showing a single fixed price increased ride bookings by 10% compared to showing a price range.

✓Price ranges trigger the Uncertainty Effect, causing users to anchor to the highest possible price and fear overpaying via Loss Aversion.

✓A further UX improvement is to highlight when prices are lower than usual, boosting perceived value without removing pricing clarity.

Author Takes

BullishGrowth.Design

Fixed vs. range pricing in UX

Displaying a single fixed price instead of a range removes uncertainty-driven friction and is a clear conversion win, as demonstrated by Uber's 10% ride increase.

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