# Online Unit Converter — Best Unit Tools & Calculator

> Best Unit Tools & Calculator (iPhone/iPad app by 飞 李.)

- Source: https://appshunter.io/ios/app/online-unit-converter/id6444185100 (this page in markdown: same URL + `.md`)
- Developer: [飞 李](https://appshunter.io/developer/1633407304)
- Category: Utilities, Reference
- Price: $0.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 9.0 · 32 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2022-11-04
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/online-unit-converter/id6444185100/reviews.md

## What is Online Unit Converter?

Did you ever come across a situation where you have? To convert units, and you don’t love maths? Well, in that case, you often search for a simple method or use technology to convert the units. Depending on the different kinds of units and their conversions, the following is the list of apps that can be handy, especially for unit conversions. 

Unit Converter is a simple, smart and elegant tool with more than categories of units that are used in daily life. 

including Fuel Calculations, Temperature, Volume, Speed, Weight, Computer Storage, Angle, Power, Viscosity, Force, Energy, Torque, Density and much more…

- Basic : length (distance), area, weight (mass), volume (capacity)
- Living : exchange rate, temperature, time, speed
- Science : pressure, force, work (energy), power, torque, flow, current, voltage, density, viscosity, concentration
- Misc: angle, data, fuel efficiency, binary, time zone,  hardness

Everything you need, nothing you don't. We believe that simplicity is power! That's why we have imagined a simple and intuitive UI that will make you say "Wow" right from the beginning. Designed for casual users like you who do NOT want complicated UI filled with tons of bloat features that you don't even care about. All you do is start typing the numbers and the conversion result appears instantly. No matter from which unit you wish to convert, we've got them all.

## Pricing and in-app purchases

Base price: $0.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| VIP | $0.99 | one-time |



## Version history (last 5 releases)

### 1.6.0 — 2023-01-18

Optimize details and fix bugs

### 1.5.2 — 2022-12-22

Support for localisation

### 1.5.1 — 2022-12-17

修复界面弹窗错误提示的bug

### 1.5.0 — 2022-12-16

1、支持样式切换(九宫格和列表)。
2、日历转换，支持显示农历。

### 1.4.1 — 2022-12-07

优化细节，提升用户体验。

## Apps similar to Online Unit Converter

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [QFE App](https://appshunter.io/ios/app/qfe-app/id6480347989) | — | Free | Utilities |
| [Universal Converter.](https://appshunter.io/ios/app/universal-converter/id519552652) | 4.3 (12) | $4.99 | Utilities |
| [Hardness Unit Converter](https://appshunter.io/ios/app/hardness-unit-converter/id1409248484) | 4.0 (7) | $1.99 | Utilities |
| [A600 PRO](https://appshunter.io/ios/app/a600-pro/id6755802831) | — | Free | Utilities |
| [Pressure Units Converter](https://appshunter.io/ios/app/pressure-units-converter/id1452151266) | — | $1.99 | Utilities |
| [Angle Unit Converter](https://appshunter.io/ios/app/angle-unit-converter/id1470713481) | 2.0 (1) | $1.99 | Utilities |

## More apps by 飞 李

- [简语 - 记录字句，感悟共鸣](https://appshunter.io/ios/app/id1633438520)
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- [繁体字转换器-繁体简体拼音在线字体转换工具](https://appshunter.io/ios/app/id6444258829)
- [电子木鱼-敲木鱼佛系解压,念经净心助手](https://appshunter.io/ios/app/id6444657985)

All apps by 飞 李: https://appshunter.io/developer/1633407304

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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 2026-08-15.*