Summer Labs LLC
Software that makes progressimpossible to miss.
Summer Labs is an independent studio building native iOS apps. We make one thing at a time, we make it work offline, and we keep your data on your phone.
What we make
StockFit
iPhone · Fitness tracking
A workout tracker that prices your training like a market. Lifts trade as stocks, muscle groups as ETFs, and everything you log sums into a single Strength Index.
- Strength Index
- Live workout logging
- Muscle heatmap
- Works offline
How we build
Three commitments we do not trade away.
Your data stays on your device
Our apps are built without a server to send anything to. No accounts, no analytics SDKs, no ad networks, nothing sold or shared. It is not a privacy policy bolted on afterwards — it is the architecture.
Native, not wrapped
Written in Swift and SwiftUI against the current platform, so they feel like they belong on the phone: real Live Activities, real widgets, real Lock Screen behavior, and launch times that respect your time.
Few apps, finished properly
We would rather ship one app whose details hold up under daily use than five that demo well. The unglamorous parts — what happens when you background mid-workout, what a chart does with two data points — are the work.
Contact
One address, and a person on the other end.
Support questions, bug reports, press, or anything else — email us. We read everything and aim to reply within two business days.