# convertX - Unit Converter — Engineering & Metric Calculatr

> Engineering & Metric Calculatr (iPhone/iPad app by Dhaval Panasara.)

- Source: https://appshunter.io/ios/app/convertx-unit-converter/id6760885403 (this page in markdown: same URL + `.md`)
- Developer: [Dhaval Panasara](https://appshunter.io/developer/1753452519)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 13.0 · 32 MB
- Languages: American English
- Released: 2026-03-24
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/convertx-unit-converter/id6760885403/reviews.md

## What is convertX?

ConvertX gives engineers, students, and everyday users the most complete
unit converter in their pocket. 44 categories. 400+ units. Offline.
 
 EVERYDAY — FREE FOREVER
Length · Weight · Temperature · Area · Volume · Speed · Time
Data Storage · Pressure · Energy · Power · Angle · Fuel · Frequency
 
 LIVE CURRENCY
30 currencies updated in real-time. Works offline with cached rates.
No account. No sign-up. Just convert.
 
 ENGINEERING SUITE — PRO
The only converter with a complete professional engineering toolkit:
 
 Mechanical: Force · Torque · Stress · Density · Dynamic Viscosity
 Kinematic Viscosity · Acceleration · Angular Velocity
 Civil: Flow Rate · Stress Intensity · Illuminance · Concentration
 Water Hardness
 Electrical: Voltage · Resistance · Capacitance · Inductance
 Current Density
 Thermal / HVAC: Thermal Conductivity · Heat Flux · Cooling Load
 Specific Heat
 Science: Radiation Dose · Radioactivity · Molar Amount
 Acoustics: Sound Level · Luminous Intensity
 Material Science: Hardness (HRC / HV / HB / Shore) · Elastic Modulus
 
 DESIGNED FOR REAL USE
• 48-point bold numbers — your result fills the screen
• Dark neon UI — no eye strain in the field or lab
• Tap any unit row to set it as your conversion target
• Swap units with one tap — no fumbling
• Copy result to clipboard instantly
• Favorites — pin your most-used converters to the top
• History — last 50 conversions saved automatically
• 100% offline — no internet needed for any unit conversion
 
PRIVACY FIRST
No account. No tracking. No personal data collected.
 
PRO — $4.99 ONCE, YOURS FOREVER
Unlock all 29 engineering categories with a single one-time purchase.
No subscription. No monthly fee. Lifetime access including all future
engineering categories added to the app.
 
ConvertX is the converter engineers reach for on-site, students use in
the lab, and travellers rely on for currency — all in one place.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| LifeTime Premium | $4.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-03-24

No release notes.

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All apps by Dhaval Panasara: https://appshunter.io/developer/1753452519

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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 2026-08-26.*