Psychology6 min readMay 12, 2025

Why financial stakes make habits stick (and where the money should go)

Research consistently shows that financial incentives dramatically improve habit adherence. But there's a catch: the destination of the money matters as much as the amount.

Most habit apps work on the same principle: streaks, badges, and the mild disappointment of a broken chain. And for a while, that works. But the research on long-term behaviour change tells a different story.

The science of financial commitment devices

A landmark study by economists Dean Karlan and Ian Ayres found that people who committed money to a goal were significantly more likely to achieve it than those who didn't. The mechanism is simple: loss aversion. Humans feel the pain of losing something roughly twice as intensely as the pleasure of gaining the equivalent. When money is on the line, the emotional stakes are real.

But here's what the research also shows: the *destination* of the money matters enormously. When participants knew their forfeited funds would go to a cause they cared about — particularly one aligned with their values — adherence rates were even higher than when the money simply went to a neutral third party.

The charity effect

There's something psychologically powerful about knowing that your failure funds something good. It reframes the stakes from purely punitive ("I lose money if I fail") to purposeful ("my failure still creates value in the world"). This reframing reduces the anxiety around potential failure and, counterintuitively, improves performance.

Mental health charities are a particularly resonant choice for this kind of commitment device. The act of building better habits — sleeping more, exercising, reducing screen time — is itself an act of mental health investment. Knowing that a missed day contributes to organisations that support people struggling with mental health creates a meaningful feedback loop.

The design of Commandify

This is precisely why we built Commandify the way we did. The escrow wallet is optional, but when you use it, your forfeited funds don't disappear into a void — they go to Mind, Samaritans, or Heads Together. 97.5% of every forfeited pound reaches the charity directly.

The 5-day reclaim window is equally intentional. We don't want the system to feel punitive. A missed day should prompt reflection, not panic. The window gives you time to assess whether the miss was a genuine lapse or a signal that a commandment needs adjusting.

What this means for you

If you're serious about building a habit, the evidence suggests you should put something on the line. Not because you'll fail — but because the stakes make the commitment real. And when the stakes benefit a cause you care about, the whole system becomes something you can feel genuinely good about, win or lose.

Put these ideas into practice

Set your five commandments today — it's free.