# Metrio: Unit Converter Toolkit — 17 Categories · 300+ Units

> 17 Categories · 300+ Units (iPhone/iPad app by Oleh Zahoriansky.)

- Source: https://appshunter.io/ios/app/metrio/id6748256387 (this page in markdown: same URL + `.md`)
- Developer: [Oleh Zahoriansky](https://appshunter.io/developer/1552887178)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: French (France), German (Germany), Russian, Chinese (Simplified, China), European Spanish
- Released: 2025-07-07
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/metrio/id6748256387/reviews.md

## What is Metrio?

Turn numbers into answers - instantly.

Metrio packs 17 measurement categories and 300+ units into one sleek, ad-free toolkit that never slows you down.

WHY METRIO
- All major systems: Metric, Imperial, US Customary, scientific and obsolete units.
- Currency on demand: live FX rates for 30+ currencies*.
- Built-in calculator: do the math, then convert, without switching apps.
- Smart global search: type "psi", "kmh" or "Nm" and jump straight to the result.
- Pin your favorites: keep go-to units at the top for one-tap access.
- Works offline: conversions and favorites need zero signal.
- Tiny footprint: under 5 MB download, no hidden trackers.

COVERS EVERY SCENARIO
Distance, Area, Volume,
Mass, Temperature, Time, 
Speed, Fuel Economy, Digital Data, 
Data Rate, Currency*,  Angle,
Pressure, Energy, Power, 
Force, Torque, Density.

PERFECT FOR
- Engineers and students crunching numbers
- Travelers juggling miles, liters and local money
- DIYers converting feet to meters or psi to bar on the spot
- Anyone who wants a fast, private, beautifully simple converter

*Currency rates require an internet connection; every other conversion works offline.


## Version history (last 5 releases)

### 1.1.3 — 2025-07-20

- Minor UI improvements

### 1.1.2 — 2025-07-18

- New localizations: French & German 
- Minor UI improvements

### 1.1.1 — 2025-07-16

- Minor UI improvements
- Localization fix

### 1.1 — 2025-07-16

• New localizations: Simplified Chinese, Russian, Spanish
• Minor UI tweaks for an even smoother experience

### 1.0.2 — 2025-07-11

- Improved Calculator - Enhanced calculator functionality with better expression parsing and more reliable calculations
- Bug Fixes - Resolved various calculation accuracy issues and improved app stability

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## More apps by Oleh Zahoriansky

- [Mowee: The Movie Guide](https://appshunter.io/ios/app/mowee/id1552887176)
- [Up25 – Pull-Up Challenge](https://appshunter.io/ios/app/up25/id6752710287)

All apps by Oleh Zahoriansky: https://appshunter.io/developer/1552887178

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-15.*