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How dating apps keep you engaged (not romantically)
The design equivalent of clickbait headlines
How Hinge leverages social scarcity
Hinge has one of the most self-defeating taglines in product history.
"Designed to be deleted".
The implication is that they're the honest dating app. They want you to find someone, leave, and never come back.
And it resonates. In 2025, the number of paying users grew by 16.5%, while revenue disproportionately jumped by 26%.
In other words, they're getting better at persuading users to spend money. How have they done this? Clever design.
This case study isn't about the business model of dating apps (they do need to make money somehow).
It's about the specific ways that the interface is designed to keep you inside a cycle.
Humans are driven to solve incomplete information.
The clickbait headlines you hate rely on something called a 🧩 Curiosity Gap—the desire to seek out a missing piece of information.
I want you to notice that this can be motivational, even if you don't particularly care about the outcome.
For example: "locals were shocked to see Kim Kardashian eating in this type of restaurant...".
You want to know the answer, not because you actually care, but because it's posed as a puzzle.
Curiosity gaps are used throughout Hinge, to draw your attention and influence your behaviour.
For example:


In both of these instances, what they're actually doing is creating a psychological discomfort with not knowing, which is resolved either through engaging with others, or paying.
Hinge haven't invented dating scarcity, but they don't let a useful emotion go to waste.
From your very first 'like', they're making it clear that you can be seen by sending a 'rose'.
After you've sent all your likes, they'll remind you that even the likes themselves can be prioritised.
In other words, harnessing social competitiveness.


It's the timing that makes these so effective.
You've found someone who you actually want to match with, and then you're told that you'll be practically invisible to them.
You've just bothered to sort through and find 8 people you want to date, you might as well now actually be seen by them.
This is also why the "New here" badge is effective. It's a signal of scarcity and lasts 7 days.

In other words, it's a cue that because this person is new to Hinge, they may be snapped up by someone else very quickly.
As a result, it reframes that profile as being more time sensitive.
You want to get into their inbox before they're bombarded by others.
Is Hinge "designed to be deleted"? Sure, but only after paying.
P.S., did you like this style of business model + design teardown?
There's a whole collection of them. Featuring HBO, Reddit and Ticketmaster.

If features can be coded in minutes, thoughtful design is what wins
Get the free content when it's released, straight to your inbox, no account required
"An exceptional resource for learning how to build habit-forming products that people love."
"I’d never met anybody who looks at usability and UX the way I do until I met Peter. Only he’s smarter."
"The completest view of the psychological underpinnings of human behaviour that I’ve ever seen."
"What a nice idea! Christopher Alexander would be proud to see patterns collected like this."

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The two "obvious" fixes that did nothing
Why you shouldn't always force an input
Why limiting the user's choices can be beneficial
The challenge for a navigation app isn't to efficiently show you the best route, it's to make you believe that you've found the best route.
How strategy influences design
Waze is cornered, and slowly shrinking
What Apple's strategy appears to be

From rat mazes to coffee apps: why the motivation to reach a reward increases the closer your users get to their goal.
How to use the Goal Gradient Effect
Spinning the flywheel of purchases
Why your rules need to be clear
Sometimes, the best onboarding is no onboarding, and simple products get bogged down with unnecessary explanations. This case study on Waitrose, Sainsbury's and Asda demonstrates when to just let the user try it for themselves.
Sometimes the best onboarding, is no onboarding
“Show, don’t tell” often beats education
Data can’t always tell you when onboarding is wrong

An analysis of Monzo’s 1p challenge, focusing on the middle slump, where progress slows and motivation quietly fades.
Delight can replace progress, but only temporarily
"The middle" is the real retention problem
Motivation needs contextualised reference points

Personalised user experiences are everywhere. The problem is that most of the time it doesn't work. This is how Nike nail it, with a few simple tricks.
Why saying "Good Afternoon..." is usually a waste of time
The common mistake with recommended content
How Nike uses showmanship to create personalised experiences
How dating apps keep you engaged (not romantically)
The design equivalent of clickbait headlines
How Hinge leverages social scarcity
Hinge has one of the most self-defeating taglines in product history.
"Designed to be deleted".
The implication is that they're the honest dating app. They want you to find someone, leave, and never come back.
And it resonates. In 2025, the number of paying users grew by 16.5%, while revenue disproportionately jumped by 26%.
In other words, they're getting better at persuading users to spend money. How have they done this? Clever design.
This case study isn't about the business model of dating apps (they do need to make money somehow).
It's about the specific ways that the interface is designed to keep you inside a cycle.
Humans are driven to solve incomplete information.
The clickbait headlines you hate rely on something called a 🧩 Curiosity Gap—the desire to seek out a missing piece of information.
I want you to notice that this can be motivational, even if you don't particularly care about the outcome.
For example: "locals were shocked to see Kim Kardashian eating in this type of restaurant...".
You want to know the answer, not because you actually care, but because it's posed as a puzzle.
Curiosity gaps are used throughout Hinge, to draw your attention and influence your behaviour.
For example:


In both of these instances, what they're actually doing is creating a psychological discomfort with not knowing, which is resolved either through engaging with others, or paying.
Hinge haven't invented dating scarcity, but they don't let a useful emotion go to waste.
From your very first 'like', they're making it clear that you can be seen by sending a 'rose'.
After you've sent all your likes, they'll remind you that even the likes themselves can be prioritised.
In other words, harnessing social competitiveness.


It's the timing that makes these so effective.
You've found someone who you actually want to match with, and then you're told that you'll be practically invisible to them.
You've just bothered to sort through and find 8 people you want to date, you might as well now actually be seen by them.
This is also why the "New here" badge is effective. It's a signal of scarcity and lasts 7 days.

In other words, it's a cue that because this person is new to Hinge, they may be snapped up by someone else very quickly.
As a result, it reframes that profile as being more time sensitive.
You want to get into their inbox before they're bombarded by others.
Is Hinge "designed to be deleted"? Sure, but only after paying.
P.S., did you like this style of business model + design teardown?
There's a whole collection of them. Featuring HBO, Reddit and Ticketmaster.

If features can be coded in minutes, thoughtful design is what wins
Get the free content when it's released, straight to your inbox, no account required
"An exceptional resource for learning how to build habit-forming products that people love."
"I’d never met anybody who looks at usability and UX the way I do until I met Peter. Only he’s smarter."
"The completest view of the psychological underpinnings of human behaviour that I’ve ever seen."
"What a nice idea! Christopher Alexander would be proud to see patterns collected like this."

A behind the scenes look at how I redesigned the Built for Mars sign-up flow, and iterated from early feedback.
The two "obvious" fixes that did nothing
Why you shouldn't always force an input
Why limiting the user's choices can be beneficial
The challenge for a navigation app isn't to efficiently show you the best route, it's to make you believe that you've found the best route.
How strategy influences design
Waze is cornered, and slowly shrinking
What Apple's strategy appears to be

From rat mazes to coffee apps: why the motivation to reach a reward increases the closer your users get to their goal.
How to use the Goal Gradient Effect
Spinning the flywheel of purchases
Why your rules need to be clear
Sometimes, the best onboarding is no onboarding, and simple products get bogged down with unnecessary explanations. This case study on Waitrose, Sainsbury's and Asda demonstrates when to just let the user try it for themselves.
Sometimes the best onboarding, is no onboarding
“Show, don’t tell” often beats education
Data can’t always tell you when onboarding is wrong

An analysis of Monzo’s 1p challenge, focusing on the middle slump, where progress slows and motivation quietly fades.
Delight can replace progress, but only temporarily
"The middle" is the real retention problem
Motivation needs contextualised reference points

Personalised user experiences are everywhere. The problem is that most of the time it doesn't work. This is how Nike nail it, with a few simple tricks.
Why saying "Good Afternoon..." is usually a waste of time
The common mistake with recommended content
How Nike uses showmanship to create personalised experiences