# ConvertALL Unit Converter — Ultimate Unit Converter App

> Ultimate Unit Converter App (iPhone/iPad app by AYLIN BICEN.)

- Source: https://appshunter.io/ios/app/convertall-unit-converter/id6753229100 (this page in markdown: same URL + `.md`)
- Developer: [AYLIN BICEN](https://appshunter.io/developer/1839275591)
- Category: Utilities
- Price: Free with in-app purchases (on sale, was $5.99)
- Age rating: 4+
- Requires: iOS 16.0 · 24 MB
- Languages: American English
- Released: 2025-10-01
- Data updated: 2026-08-17
- User reviews in markdown: https://appshunter.io/ios/app/convertall-unit-converter/id6753229100/reviews.md

## What is ConvertALL Unit Converter?

Why Ultimate Unit Converter?

OFFLINE and LIFETIME 
Stop paying monthly subscriptions for simple tools. Ultimate Unit Converter is the premium, all-in-one solution for professionals, engineers, and everyday users—yours forever with a single, one-time purchase. No hidden fees, no recurring costs. All works offline. 

Designed for iPhone and iPad

One of the most versatile and complete converter apps on the market.

Ultimate Converter combines engineering precision, aviation-grade reliability, and everyday utility into one seamless experience. Whether you are an engineer analyzing fluid dynamics, a pilot calculating fuel loads, or a traveler shopping for clothes abroad, we have built the specialized tools you need.

WHAT YOU CAN DO:

   Advanced Engineering Suite Go beyond basic units. We have expanded our library to support serious technical work. Handle complex fluid dynamics with dedicated Flow Rate, Viscosity, and Density tools. Tackle mechanical problems with precise Torque, Force, and Acceleration converters. For the tech-savvy, we provide essential Data Speed (Internet), Frequency, Current, and Radiation conversions needed for academic and professional projects.

   Professional Aviation Toolkit A specialized mode trusted by pilots and ground crew. Perform critical Volume/Weight conversions for JET A/A1, AVGAS, and Oil. Unlike standard apps, we give you the power to interactively adjust density (kg/L) factors, ensuring your calculations match real-world flight conditions perfectly.

   Global Shopping Companion Never guess your fit again. Our integrated sizing charts instantly convert sizes for Shoes, Tops, and Pants across US, EU, UK, JP, CN, and MEX standards. Perfect for online shopping or international travel.

   Everyday Essentials We haven't forgotten the basics. Access fast and reliable conversions for Length, Area, Temperature, Pressure, Power, Energy, and Time. Plus, utilize advanced mathematical tools for Angles and Number Systems (Binary, Hex, Decimal).

Simplify your complex calculations. Download Ultimate Unit Converter today!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| converterpro | $4.99 | one-time |



## Version history (last 5 releases)

### 1.0.8 — 2026-08-15

UI Update

### 1.0.7 — 2026-06-28

UI Update

### 1.0.6 — 2026-06-04

UI Update

### 1.0.5 — 2026-03-11

Performance Improvement

### 1.0.4 — 2026-03-06

Performance improvement

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## More apps by AYLIN BICEN

- [Crew Rest Calculator App](https://appshunter.io/ios/app/crew-rest-calculator-app/id6752422255)
- [PFSmarter: Flight Dispatch](https://appshunter.io/ios/app/pfsmarter-flight-dispatch/id6752538758)
- [UN Decoder & Hazmat](https://appshunter.io/ios/app/un-decoder-and-hazmat/id6752623945)
- [Time Calculator App](https://appshunter.io/ios/app/time-calculator-app/id6753190868)
- [Flight Computer E6B & Toolbox](https://appshunter.io/ios/app/flight-computer-e6b-and-toolbox/id6753596143)

All apps by AYLIN BICEN: https://appshunter.io/developer/1839275591

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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 2026-08-17.*