iOS × UX
iOS UX
We track 15 iOS UX case studies from 13 engineering teams. Dropbox, Zalando and Badoo write about it most. Many posts also cover Testing and Design System. The posts run from 2012 to 2026. The newest is from August 2026.
iOS UX articles 1–15 of 15
Squircles, Styles, and Spacing: How Your Feedback is Helping Improve Mobile
Discord's Design Systems Team just shipped a masterclass in cross-platform consistency. Their mobile redesign proves that listening to user feedback can drive meaningful UX improvements at scale.
From Idea to Reality: Behind Flip Slip, 3-Finger Capture, and the Pinch-to-Zoom PoC #MAKEbyKBank
Weera Youngnam from KBTG turned a personal pain point into a feature that caught executive attention. His journey from gyroscope experiments to production reveals how small PoCs can create outsized impact.
Demystifying user journeys: Revolutionizing troubleshooting with auto tracking
Ever tried debugging a mobile app crash without knowing what the user actually did? You're flying blind.
Tophat: Crafting a Delightful Mobile Developer Experience
Shopify doubled developer productivity by turning the most tedious part of mobile development into a one-click experience.
Custom Navigational Transitions in iOS
Zalando's iOS team tackled a deceptively hard problem: creating smooth screen transitions when the entire UI is driven by the backend.
Planting Trees One Ride at a Time
Gojek turned ride-hailing into climate action with a simple toggle. One developer said it best: 'For the first time in my life, writing code generated physical outputs.'
Why Mobile Apps Performance Matters
Mercado Libre's mobile apps serve 4.5 billion active devices. A Galaxy A10 might take 5 seconds to load a screen—or just 1.67 seconds, depending on conditions.
Beyond Mobile First: Modern Mobile Development Strategy
Ryan O'Neill from Square reveals why 9 out of 10 mobile shoppers think their experience could be better. His team's solution? Stop thinking mobile-first and start thinking app-first.
Tokopedia iOS: Hello 2021, Rewind 2020
Samuel Edwin from Tokopedia reveals how his iOS team achieved a 10x build time reduction while shipping features that got them featured on the App Store. Despite 2020's challenges, they transformed their entire...
Split Testing (A/B Testing) with Swift
Alexander from Bumble's engineering team built a client-side A/B testing framework in Swift that takes just 1-2 minutes to implement per new test. No server infrastructure required—just protocols, generics, and...
Loading Time Matters
Zalando proved that every 100ms of loading time equals real money: a 0.7% revenue lift per session. When 75% of your traffic is mobile, milliseconds become millions.
The Tech Behind Dropbox's New User Experience on Mobile - Part 2
Viraj Mody from Dropbox reveals how they built a mobile-to-desktop onboarding flow so seamless that users in testing didn't even notice the magic happening. Zero password typing required.
Building Dropbox's New User Experience for Mobile Part 1
Kat from Dropbox discovered that slowing down their signup flow actually increased conversions. Counter-intuitive? Here's why it worked.
Mobile A/B Testing at LinkedIn: How Members Shape Our Apps
LinkedIn ships a single mobile binary but runs dozens of A/B tests simultaneously. Here's how they pulled it off without constant app releases.
Right To Left Support For Twitter Mobile
Christine Tieu from Twitter's Mobile Web Team reveals how they flipped their entire mobile UI for Arabic and Farsi without drowning in duplicate CSS rules.