Life & fun · alternatives · 2026

24 alternatives to a16z - Trigger, action, reward, investment - 4 steps for habit-forming products
Nir Eyal and Ryan Hoover on product design
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. a16z - Trigger, action, reward, investment - 4 steps for habit-forming products launched in 2015; newer entries below may have overtaken it.
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Human behavior is programmable. A book on product design.
2018 · its alternatives →
- 3

Learn how to design habit-forming products for good.
2016 · its alternatives →
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Learned from 12 years and 5 multimillion dollar products
2016 · its alternatives →
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A podcast about the inner workings of Need/Want
2015 · its alternatives →
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Three ways to validate your product idea
2015 · its alternatives →
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Lessons learned from consulting to creating products
2016 · its alternatives →
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Elevate your habits with simple and effective habit tracker
2023 · salty-moustache-bc8.notion.site · its alternatives →
- 15

An Interview with Louis Foreman of Enventys
2016 · its alternatives →
- 16

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How to innovate w/ MVPs & rapid customer feedback
2015 · its alternatives →
- 18

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The systematic method for quickly vetting product ideas
2015 · its alternatives →
- 20

Use social psychology to design engaging digital experiences
2015 · its alternatives →
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The psychology behind your favorite habit-forming products
2016 · its alternatives →
- 24

How our subconscious routines guide our lives
2016 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →