Foldmeter icon

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.

Foldmeter screenshot 1 of 5

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.