# Unit Converter-Free & Easy — Currency Length Weight Volume

> Currency Length Weight Volume (iPhone/iPad app by 磊 刘.)

- Source: https://appshunter.io/ios/app/unit-converter-free-and-easy/id6762030231 (this page in markdown: same URL + `.md`)
- Developer: [磊 刘](https://appshunter.io/developer/1892400556)
- Category: Utilities, Productivity
- Price: Free with in-app purchases (on sale, was $1.99)
- Age rating: 9+
- Requires: iOS 13.0 · 25 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-05-04
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/unit-converter-free-and-easy/id6762030231/reviews.md

## What is Unit Converter?

ConvertMaster is a completely free, ad-free unit converter.
Launch and go. No sign-up. No data collection.
All 40 categories are permanently free. No paywalls.

ALL FEATURES FREE FOREVER:
• 40 categories — currency, length, weight, area, volume, temperature, speed, time, pressure, energy, power, data storage, cooking, angle, fuel, force, torque and more
• 200+ currencies with live exchange rates, updated hourly
• Currency picker with search — find any currency instantly
• Multilingual currency names (CLDR standard)
• Home page ranks categories by your usage frequency
• Restores your last-used category on launch
• Batch convert — enter multiple values, see all results instantly
• CSV export for batch results
• Metric and imperial side by side
• Scientific notation for extreme values
• Dark mode
• 100% offline (except live currency rates)

No account. No sign-up. No data collection.
No internet required (except live rates).

Most converters limit their currency list or lock categories behind paywalls.
ConvertMaster gives you everything — 200+ currencies with search, 40 categories — all for free, forever.

Voluntary support available in app — optional, never nagged.

No data collected. No tracking. No sharing.
Your numbers, on your device only.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unit Conversion Standard Version | $2.99 | one-time |
| Unit Conversion Pro Edition | $5.99 | one-time |



## Version history (last 5 releases)

### 1.8 — 2026-07-26

Added rating prompt — if you love CM, please leave us a review!

### 1.7 — 2026-07-21

• Keyword & product page optimization
• Fixed exchange rate refresh
• UI polish for smoother experience

### 1.6 — 2026-07-10

• Added Arabic description
• Keyword optimization for better search visibility
• Bug fixes and stability improvements

### 1.5 — 2026-06-18

v1.5:
• 200+ currencies with searchable picker and CLDR multilingual labels
• Home page now sorts categories by your usage frequency
• Restores your last-used category when you open the app
• Currency names in your local language

### 1.4 — 2026-06-06

This update has optimized the product page to let more users know - ConvertMaster Pro is completely free, ad free, and permanently open to all 40 types of units. Welcome new friends to download and experience!

## More apps by 磊 刘

- [Flip Clock - Timer & Focus](https://appshunter.io/ios/app/flip-clock-timer-and-focus/id6767742797)
- [PrivateVault - Encrypted Files](https://appshunter.io/ios/app/privatevault-encrypted-files/id6776260550)
- [Dice Roller & Coin Flip](https://appshunter.io/ios/app/dice-roller-and-coin-flip/id6786310202)

All apps by 磊 刘: https://appshunter.io/developer/1892400556

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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 2026-07-29.*