We spend hours every day moving through spaces we never physically enter. We open a banking app, step through a menu, wander down a feed, and look for the exit. These spaces have entrances and corridors, landmarks and dead ends. Some feel calm and generous. Others feel like a parking garage with bad signage.
Mobile apps are, in a real sense, buildings that fit in a pocket. And the discipline that has spent centuries thinking about how people move through space, how they find their way, and how a place makes them feel has a great deal to teach the people who design them.
Here are seven architectural principles that translate surprisingly well to the screen, and what happens when apps ignore them.
1. The threshold: first impressions happen at the door
Architects pay careful attention to entrances. A threshold prepares visitors for what’s inside, whether it’s a compressed passage that opens into a soaring hall or a porch that eases the shift from street to home.
An app’s threshold is its launch and onboarding. Too many apps greet people with a wall of permission requests, sign-up forms, and tutorial slides before showing anything of value. The best ones work like a well-designed lobby: they reveal enough of the space to orient you, then invite you further in one step at a time.
2. Wayfinding: people navigate by landmarks, not maps
In The Image of the City, urban planner Kevin Lynch described how people build mental maps of a city from a handful of elements: paths, edges, districts, nodes, and landmarks. We don’t memorize every street. We remember the river, the clock tower, and the busy square.
Apps work the same way. Users rarely remember the full structure of an app, but they remember its landmarks: the tab bar at the bottom, the search icon, the familiar home screen. When those landmarks shift between updates, people feel lost in a place they thought they knew. Good app navigation keeps landmarks fixed, makes districts visually distinct, and always shows users where they are and how to get back.
3. Circulation: design the journey, not just the rooms
Architects plan circulation, the routes people take between spaces, as carefully as the spaces themselves. A beautiful room is useless if it takes four corridors and a locked door to reach it.
In app design, circulation is the user flow. How many taps does it take to complete the task people opened the app for? Is the most common journey the shortest one? Many frustrating apps have perfectly designed screens connected by awkward, winding paths. Mapping the main journeys first, the way an architect sketches movement before detailing rooms, prevents that.
4. Form follows function, but function includes feeling
Louis Sullivan’s famous maxim has guided generations of designers. In apps, it’s a useful check against decoration for its own sake: animations that slow you down, gradients that hide information, or clever layouts that confuse.
But architects also know that function isn’t purely mechanical. A hospital waiting room that’s technically efficient but cold and harsh fails the people in it. The same is true for apps. A meditation app should feel slower and softer than a trading app. A children’s learning app should feel playful. Function includes how the space makes people feel while they use it.
5. Human scale: design for the body that uses it
Door handles, stair risers, and counter heights are sized for human bodies. Get them wrong and a building feels awkward no matter how striking it looks.
On a phone, the body is a thumb. Apple’s interface guidelines recommend tap targets of at least 44 by 44 points so fingers can hit them reliably. Thoughtful apps also consider reach. Primary actions sit within easy range of a thumb at the bottom of the screen, while rarely used controls can live higher up, like a top shelf.
6. Light and hierarchy: guide the eye
Architects use light to direct attention: a skylight over the altar, a bright opening at the end of a corridor that pulls you forward. Light creates hierarchy without signs.
On screen, contrast, color, size, and white space do the same job. The most important action should be the brightest, most prominent element, and everything else should step back. When every button shouts, nothing is heard. Generous white space works like an open atrium: it gives the eye room to rest and makes the important things easier to find.
7. Universal design: a space for everyone
Universal design asks architects to create spaces usable by as many people as possible, regardless of age or ability. Ramps, wide doorways, and clear signage help everyone, not only those who need them most.
Apps have their own version: support for larger text, screen readers, voice control, sufficient color contrast, and captions. Like a curb cut that helps a parent with a stroller as much as a wheelchair user, accessible app design tends to make the experience better for all users.
Architecture to app: a quick translation
| Architectural idea | Mobile app equivalent | What goes wrong when it’s ignored |
| Threshold | Launch and onboarding | Users bounce before seeing any value |
| Wayfinding and landmarks | Navigation bars, icons, consistent layout | Users feel lost after updates |
| Circulation | User flows and tap paths | Simple tasks take too many steps |
| Form follows function | Purpose-driven interface | Decoration slows people down |
| Human scale | Tap targets and thumb reach | Missed taps and frustration |
| Light and hierarchy | Contrast, size, white space | Nothing stands out, so nothing gets used |
| Universal design | Accessibility features | Large groups of users are shut out |
Apps are living buildings
One difference matters a great deal. A building, once finished, changes slowly. An app is renovated constantly. New features arrive, operating systems update every year, and user habits shift.
That makes app design closer to adaptive reuse than to a ribbon-cutting. Good architects working on an old warehouse respect its structure while giving it new life. Good app teams do the same: they add rooms without blocking the corridors, keep familiar landmarks in place, and remove what no longer serves anyone.
This is also why the way an app is built matters as much as how it looks. A solid foundation makes renovation easy, while a rushed one turns every update into a structural risk. The studios that design and build mobile products most successfully tend to work like good architecture practices: they study how people will move through the space, sketch the structure before decorating it, and plan for the building to keep changing long after opening day.
Designing spaces people want to return to
The best buildings make you want to come back. You remember how the light fell, how easily you found your way, and how the space made you feel.
The best apps earn the same loyalty for the same reasons. They welcome you at the door, help you find your way, respect your hands and your time, and stay comfortable as they grow. For anyone who thinks about space, the screen isn’t a separate world. It’s simply another place where good design decides whether people feel at home.
About the Author
Daniel Haiem
Daniel Haiem is the CEO of AppMakers USA, a mobile app development agency that works with founders on mobile and web builds. He is known for pairing product clarity with delivery discipline, helping teams make smart scope calls and ship what matters. Earlier in his career he taught physics, and he still spends time supporting education and youth mentorship initiatives.
