Unit Converter ++ vs UPECC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter ++
Easily convert between various units of measurement for length, weight, temperature, volume, and more. This offline tool is designed for travelers, students, and professionals needing quick conversions.
- Converts length, weight, temperature, volume, and more
- Supports numerous units of measurement
- Works offline
- Useful for travelers, students, and professionals
- Covers speed, area, pressure, power, and energy units
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Unit Converter ++ is an easy-to-use to converter length, weight, temperature, volume and multiple other units of measurement. Unit Converter ++ is useful for international travelers, students, cooks, engineers and anyone else who needs to convert between units. Units (abstract) Length: Mile, Yard, Foot, Inch, Kilometer, Meter, Centimeter... Temperature: Celsius, Fahrenheit... Volume: Gallon, Quart, Pint, Cup, Tablespoon, Teaspoon, Liter... Speed: Knots, Miles per Hour, Kilometers per Hour... Area: Square Mile, Square Foot, Acre... Weight: Ton, Pound, Ounce, Kilogram... Pressure: Pounds/Square Foot (psi), Bars, Inches of Mercury... Power: Horsepower, Kilowatts... Time: Years, Weeks, Days, Hours, Minutes... Energy: Calories, Ergs, Joules, Watt-Hours.. Fuel Consumption: Mile/Gallon (mpg), Liter/100 Kilometer.. Torque: Newton Meter, Pound-Force Foot... Force: Pound-Force, Dyne, Poundal... Unit Converter ++ works offline. Conversions are provided for informational purposes only, with no guarantee of accuracy or validity.
UPECC
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This is the app that is for use by paid members of the Union of Pilots, Engineers & Cabin Crew. It will be updated in due course to add functionality as we develop it.
Screenshots
Verdict
The clearest difference is ads: UPECC at none against Unit Converter ++'s shown. UPECC also leads on update cadence (every 5 weeks vs every 9 months). Unit Converter ++'s advantage is iOS requirement (11.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Unit Converter ++ ships an update every 9 months, UPECC every 5 weeks. The most recent releases landed on August 14, 2026 and September 14, 2026 respectively.
| Parameter | Unit Converter ++ | UPECC |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (10 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 6 MB | 395 MB |
| Age rating | 4+ | 4+ |
| Developer | Nirav Patel | THE UNION OF PILOTS, ENGINEERS & CABIN CREW |
In-app purchases
Unit Converter ++
No in-app purchases
UPECC
No in-app purchases
