Do less
without quitting.

Why I built HabitBuffer this way

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My day job is as a psychotherapist. Stress, overwhelm and anxiety are things I come across and work with every day. Again and again, I see how hard people are on themselves when they slip, and how that harshness tends to make change harder, not easier.

So I wanted a tracker that felt kind to use. Three ideas from psychology shaped it. Below is roughly how each one works, the research I drew on, and how it found its way into the app. It’s a gentle guide, not a promise: people are different, and the research has its limits, which I’ve tried to be honest about.

1. Stress and the thinking brain

The idea

When we feel under threat, the body’s stress response switches on: the “fight or flight” reaction first described over a century ago¹, with cortisol as one of its main hormones². Lab research suggests it rises most when we feel judged or out of control³. Stress can also make it harder for the prefrontal cortex, the part of the brain that plans and weighs things up, to do its job, so we fall back on quicker, more habitual responses^4,5.

Feeling judged often nudges us away from things rather than towards them. Goals built around fear of failing can drain motivation⁶, and putting things off is often a way of easing a difficult feeling in the moment⁷.

How this shaped the appNothing in HabitBuffer turns red, and there are no warnings or telling-offs. Your week is described as “Well under”, “On track” or “Running high”: gentle information rather than a verdict. I wanted something you can glance at without bracing yourself.

To be fair to the evidence: nobody has measured cortisol in people using habit apps, so I’m not claiming the app changes your hormones. You may also read that the colour red itself makes people anxious. Those findings haven’t held up well⁸. I avoid red simply because it so often reads as judgement.

2. Expectancy violation (inhibitory learning)

The idea

We tend to learn most when things turn out differently from what we expected. That gap between expectation and reality sits at the heart of a classic model of learning⁹. Old expectations don’t simply disappear. New learning grows alongside them¹⁰. In therapy for anxiety, this is part of how people learn that a feared outcome doesn’t always happen^11,12, and researchers are now exploring the same idea in mood and pain^13,14.

With habits, the feared outcome is often a spiral: “I’ve blown it now, so I might as well carry on.” Researchers call this the abstinence violation effect^15,16. Meeting a slip with kindness seems to help. In studies, it was linked to people eating less afterwards¹⁷, feeling more motivated to improve¹⁸ and procrastinating less next time¹⁹.

How this shaped the appMany trackers quietly teach us that one slip costs everything, because the streak goes back to zero. HabitBuffer tries to gently show something different. Go over and it’s just one week. Your buffer stays, your milestones stay, and next week starts fresh, which can be motivating in itself²⁰. Over time, I hope each “that wasn’t a disaster after all” makes starting again feel a little easier.

To be fair to the evidence: this approach comes from therapy for anxiety. Using it in a habit app is my own reasoning from that work, and it hasn’t been formally tested in an app.

3. Dopamine and positive reinforcement

The idea

We’re more likely to repeat things that feel rewarding. That’s positive reinforcement, first studied by Skinner²¹, and how and when rewards arrive shapes how steady a habit becomes²². Dopamine plays a part in this learning. It seems to respond most to things that turn out better than we expected^23,24, and it’s linked more to wanting and motivation than to pleasure itself²⁵.

Streaks can work against us here. In one set of studies, people did an activity less after seeing a streak broken²⁶. Seeing progress tends to help: keeping track of progress supports people in reaching their goals²⁷, people often speed up as a reward gets closer²⁸, and small wins can lift motivation²⁹.

How this shaped the appYour buffer only ever adds up, so there’s nothing to lose. Rewards you choose show roughly how many weeks are left. Milestones stay hidden until you earn them, so each one can arrive as a small, pleasant surprise, and one of them is simply for bouncing back after a harder week. I wanted the app to celebrate coming back, not being perfect.

To be fair to the evidence: you’ll often read about “dopamine hits” and “dopamine crashes”. They haven’t been measured in app users, and dopamine is more complicated than that. The simpler, better-supported point is that seeing progress you can’t lose helps people keep going.

References (29)

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Much of this research is lab-based, and some of it uses small samples, so please read it as “research suggests” rather than proof. HabitBuffer is a self-management tool. It isn’t therapy, medical advice or treatment. If things feel like too much, please reach out to your GP or a qualified professional.