Unit Converter HD. vs Unit Converter ++
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter HD.
Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.
- 700+ Units of Measure
- 30 Conversion Categories
- Easy-to-Use Interface
- Dark Mode Support
- Backspace Key
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The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Free HD URL scheme is "EWUnitConverterFree://"
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.
Screenshots
Verdict
The clearest difference is review sentiment: Unit Converter HD. at 94% against Unit Converter ++'s 20%. Unit Converter HD. also leads on rating (4.7 vs 1.6) and ratings volume (644 vs 10). Unit Converter ++'s advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 13.0). On price, ads 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. Unit Converter HD. sells 1 one-off in-app purchase. Unit Converter ++ asks for nothing beyond the download.
Unit Converter HD. holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Unit Converter HD. has 644 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 94% of Unit Converter HD.'s written reviews are positive against 20% of Unit Converter ++'s.
Unit Converter HD. ships an update every 2 months, Unit Converter ++ every 9 months. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.
| Parameter | Unit Converter HD. | Unit Converter ++ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (644 ratings) — better | 1.6 (10 ratings) |
| Positive reviews | 93.8% of reviews — better | 20.0% of reviews |
| Number of ratings | 644 — better | 10 |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 86 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Nirav Patel |
Customer experience
Unit Converter HD.
Unit Converter ++
Bugs and requests
Unit Converter HD.
Reported bugs
2 issues- Freezing or crashing on some devices
- Display issues with certain units
Requested features
3 requests- Add support for US weights (tons, lbs., oz.)
- Implement portrait mode support
- Provide more customization options
Unit Converter ++
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Unit Converter HD.
- Remove Ads Pack$1.99
Unit Converter ++
No in-app purchases
Questions
Is Unit Converter HD. free?
Is Unit Converter ++ free?
Which has better reviews, Unit Converter HD. or Unit Converter ++?
Do Unit Converter HD. or Unit Converter ++ have ads?
Which is updated more often, Unit Converter HD. or Unit Converter ++?
Other comparisons
