A keyboard that splits in two on the open screen, one half under each thumb.
Utilities · iPhone Duo app
Foldmeter
by Manuel Moya & Sebastian Jonas
A folding rule: the hinge angle in big digits, plus a ruler on both screens.
iPhone Duo support
Confirmed
- Confirmed in
- App Store description, version 1.0.0
- Version released
- Price
- $0.99
- Last checked
Checked by hand against the App Store.
Screenshots
Foldmeter on the App Store
Screenshots from the App Store. Tap one to see it full size.
On iPhone Duo
Foldmeter on iPhone Duo
Foldmeter turns iPhone Duo into a folding rule: unfold it and the app shows its angle to the degree, live. It also includes a ruler and diameter gauge on both the inner and outer displays.
- Developer
- Manuel Moya & Sebastian Jonas
- Category
- Utilities
- Price
- $0.99
- Platform
- iOS · iPhone Duo
Does Foldmeter support iPhone Duo?
Yes. iPhone Duo support is confirmed in the App Store description of Foldmeter version 1.0.0, released Oct 15, 2026.
How much does Foldmeter cost?
Foldmeter costs $0.99 on the US App Store.
Who makes Foldmeter?
Foldmeter is made by Manuel Moya & Sebastian Jonas and is in the Utilities category.