Pacelit: an activity tracker for runners, cyclists and hikers
Pace apps tend to lock you into their plan or hand you raw GPS data with nobody reading it. Pacelit records the effort, keeps pace on the lock screen and the wrist, and publishes what changed in every release.
- Client
- Founder-led product
- Year
- 2025
- Platforms
- iOS, watchOS, web
- Our role
- Design and engineering
- Stack
- Expo, SwiftUI, Next.js, TypeScript
- See it
- product page
The problem
Pace apps tend to either lock you into their own plan or hand you noisy GPS data with no guidance on what it means.
The founder also wanted users to see the product being worked on: a changelog that is actually published, instead of an App Store page that never changes.
What we built
A phone app for iOS built with Expo, a native SwiftUI app for Apple Watch, and a public web surface for the product pages, legal pages and the changelog.
During a session the numbers that matter stay on the lock screen, so the phone can stay in a pocket.
Pace, timer and distance stay on the lock screen in a Live Activity, with Pause and Lap one tap away.
How it is built
The phone and watch apps share one product, and the web pages live in the same Next.js codebase as this site.
- Phone
- React Native with Expo for iOS
- Watch
- Native SwiftUI app for watchOS
- Web
- Next.js pages for the product, terms, support and the changelog at /apps/pacelit/changelog
- Releases
- Every shipped build gets a public changelog entry
Results
There are no usage numbers on this page. They will be added, with dates, once they can be shared.
What is next
- An RSS feed for the changelog, so people can follow releases without checking the page.
- A link for each changelog entry, so one release can be shared on its own.
- A preview image for each changelog entry when it is shared.
- Design and engineering
- 802.software
- Project lead
- Baris Taskiran
- Verified
- Against the running code on
Related service: Mobile apps for iPhone and Android