--- title: "convertX - Unit Converter - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 · " --- # convertX - Unit Converter — United States > Engineering & Metric Calculatr ![ConvertX App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/28/82/53/288253d7-5e09-cafe-5025-904674766429/AppIcon-1x_U007emarketing-0-11-0-85-220-0.png/400x400bb.png) **Developer:** [Dhaval Panasara](https://apptail.io/developer/dhaval-panasara-HgBg) **Category:** Utilities **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.convertx.ios **Store:** Apple App Store **Country:** United States **Version:** 1.0 (released 2026-03-24) **Original Release:** 2026-03-24 **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6760885403) **AppTail Page:** [https://apptail.io/app/convertx-unit-converter-Vvaz/united-states](https://apptail.io/app/convertx-unit-converter-Vvaz/united-states) ## ConvertX Description 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. ## ConvertX Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/06/04/43/06044343-09dd-15dd-3dff-31f2bfac773a/SS1_no_alpha.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3f/16/4c/3f164c4d-47c9-bcb6-3b3b-95158503850c/SS2_no_alpha.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bb/cc/ed/bbccedbd-14fa-d304-8c7c-f43b2d7e088d/SS3_no_alpha.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/26/29/ae/2629ae42-ad7c-cbc4-79e9-09b2461ce18c/SS4_no_alpha.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5d/aa/af/5daaafec-85d6-2e1a-bd65-f93fcf8213d5/SS5_no_alpha.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/84/14/eb/8414ebe3-a0d8-a56a-c05d-0841f5e01d49/SS6_no_alpha.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f8/c6/41/f8c64135-25c0-ca16-dcce-9783611e87f2/SS7_no_alpha.png/1242x2688.png) ## ConvertX In-App Purchases | Item | Price | |------|-------| | LifeTime Premium | $4.99 | ## ConvertX Available In - [United States](https://apptail.io/app/convertx-unit-converter-Vvaz/united-states) - [Bulgaria](https://apptail.io/app/convertx-unit-converter-Vvaz/bulgaria) - [Bahrain](https://apptail.io/app/convertx-unit-converter-Vvaz/bahrain) - [Denmark](https://apptail.io/app/convertx-unit-converter-Vvaz/denmark) - [Spain](https://apptail.io/app/convertx-unit-converter-Vvaz/spain) - [Finland](https://apptail.io/app/convertx-unit-converter-Vvaz/finland) - [United Arab Emirates](https://apptail.io/app/convertx-unit-converter-Vvaz/united-arab-emirates) - [Indonesia](https://apptail.io/app/convertx-unit-converter-Vvaz/indonesia) - [Israel](https://apptail.io/app/convertx-unit-converter-Vvaz/israel) - [India](https://apptail.io/app/convertx-unit-converter-Vvaz/india) - [Japan](https://apptail.io/app/convertx-unit-converter-Vvaz/japan) - [South Korea](https://apptail.io/app/convertx-unit-converter-Vvaz/south-korea) - [Lithuania](https://apptail.io/app/convertx-unit-converter-Vvaz/lithuania) - [North Macedonia](https://apptail.io/app/convertx-unit-converter-Vvaz/north-macedonia) - [Malta](https://apptail.io/app/convertx-unit-converter-Vvaz/malta) - [Nigeria](https://apptail.io/app/convertx-unit-converter-Vvaz/nigeria) - [Netherlands](https://apptail.io/app/convertx-unit-converter-Vvaz/netherlands) - [Norway](https://apptail.io/app/convertx-unit-converter-Vvaz/norway) - [Saudi Arabia](https://apptail.io/app/convertx-unit-converter-Vvaz/saudi-arabia) - [Sweden](https://apptail.io/app/convertx-unit-converter-Vvaz/sweden) - [Thailand](https://apptail.io/app/convertx-unit-converter-Vvaz/thailand) - [Hungary](https://apptail.io/app/convertx-unit-converter-Vvaz/hungary) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*