Now building
DuoDev - Fold-native apps
Now building
DuoDev - Fold-native apps
Apps That Bend Your Phone & The Rules
Made for iPhone Duo.
Built around the fold.
SwiftUI
2026
Blot
View Case Study
SwiftUI
2026
Safecracker
View Case Study
SwiftUI
2026
Passport
View Case Study
About
About
About
Small apps
FOR A NEW SHAPE
We build apps around the Duo’s hinge and two screens.
Open, close, or bend the phone, and the app responds.
Each one is designed for the fold.
7
Apps in the workshop
Seven fold-native apps in design and build.
7
Apps in the workshop
Seven fold-native apps in design and build.
7
Apps in the workshop
Seven fold-native apps in design and build.
79
Ideas scored
Every idea gets scored on six axes. Most get cut.
79
Ideas scored
Every idea gets scored on six axes. Most get cut.
79
Ideas scored
Every idea gets scored on six axes. Most get cut.
1
Core rule
If the fold doesn’t matter, the app doesn’t ship.
1
Core rule
If the fold doesn’t matter, the app doesn’t ship.
1
Core rule
If the fold doesn’t matter, the app doesn’t ship.
0
Stretched apps
No ‘now optimized for Duo’ apps. Ever.
0
Stretched apps
No ‘now optimized for Duo’ apps. Ever.
Apps
Apps
Apps
Apps in the Workshop
Passport
Coming soon
SwiftUI
2026
Passport
Coming soon
SwiftUI
2026
Passport
Coming soon
SwiftUI
2026
Safecracker
Coming soon
SwiftUI
2026
Safecracker
Coming soon
SwiftUI
2026
Safecracker
Coming soon
SwiftUI
2026
Blot
Coming soon
SwiftUI
2026
Blot
Coming soon
SwiftUI
2026
Pearl
Coming soon
SwiftUI
2026
Blot
Coming soon
SwiftUI
2026
Pearl
Coming soon
SwiftUI
2026
Flower Press
Coming soon
SwiftUI
2026
Pearl
Coming soon
SwiftUI
2026
Flower Press
Coming soon
SwiftUI
2026
Rules
Rules
Rules
how we
build
Fold-native only
Fold-native only
No stretched apps
No stretched apps
Original art only
Original art only
Hinge as input
Hinge as input
Small and focused
Small and focused
What is DuoDev?
When do the apps launch?
Do you collect my data?
Do the apps only work on iPhone Duo?
How do I get help or pitch an idea?
What is DuoDev?
How do I get help or pitch an idea?
Do you collect my data?
Do the apps only work on iPhone Duo?
When do the apps launch?
FAQs
FAQs
FAQs
