About this app
IO (Input/Output) is a powerful and simple multiplatform unit and currency converter. Features: ∙ 13 essential categories ∙ Over 120 different units ∙ Live currency updates ∙ Calculator functionality (on iPhone and iPad) ∙ Available on iPhone, iPad, Apple Watch and Mac ∙ No Ads
Latest release
What’s New
Updates to Volume conversions
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 22, 2026 · 4:41 AM $0.99
Screenshots
