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
This app provides a comprehensive suite of tools for unit and currency conversions, along with various calculators and scientific constants. It offers real-time exchange rates, works offline, and supports a wide range of categories. Enjoy a user-friendly experience with features like dark mode and no conversion limits.
- Unit conversions
- Currency conversions
- Real-time exchange rates
- Offline functionality
- Variety of calculators
- Scientific constants
- Dark mode
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OmniConvert is a powerful unit and currency converter focused on functionality, usability, and speed. It is completely free, supports a wide variety of conversion categories, and works offline. Exchange rates are updated in real-time (when connected to the internet) and all 166 major world currencies are supported. There are no conversion limits or size restrictions, and it even comes with a dark mode! OmniConvert offers an additional selection of useful calculators (e.g. salary, gratuity, baking) along with compilations of common scientific constants relevant to fields like physics and chemistry. Conversions: Currency, Volume, Mass, Temperature, Time, Length, Speed, Gas, Area, Energy, Pressure, Torque, Data, Angle, Frequency, Planetary Weight Calculators: Salary, Tip, Baking, Percentage, Mortgage, Auto Loan, BMI Constants: Chemistry, Physics, Density, Unit Prefix, Mathematics, Medicine, Astrophysics. Omniconvert is optimized for iPhone X, 11, 12, 13, 14, 15, and 16 as well as the Pro and Max variants of these devices.
Screenshots
Verdict
The clearest difference is update cadence: Unit Converter at weekly against Unit Converter HD.'s every 2 months. Unit Converter also leads on rating (5.0 vs 4.7). Unit Converter HD.'s advantage is ratings volume (646 vs 42) and device support (3 vs 1). On price, review sentiment, ads and in-app purchases 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 and Unit Converter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Unit Converter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Unit Converter HD. has 646 ratings behind it against 42, 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 100% of Unit Converter's.
Unit Converter HD. ships an update every 2 months, Unit Converter weekly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Unit Converter HD. | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (646 ratings) | 5.0 (42 ratings) — better |
| Positive reviews | 93.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 646 — better | 42 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 86 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Jonathan Chen |
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
- OmniConvert Pro$2.99
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
