Unit Converter HD. vs Unit Converter & Dictionary
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 & Dictionary
This app offers comprehensive unit conversion across numerous categories, including specialized and traditional units. It also functions as a dictionary, explaining unit meanings, pronunciations, and providing fun facts. Real-time currency conversion is available, with an optional premium plan for AI assistance and ad removal.
- Extensive unit conversion categories
- Unit dictionary with pronunciation and facts
- Real-time currency conversion
- Offline conversion capabilities
- AI support for app usage (Premium)
- Traditional and specialized unit support
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An app that both converts units and works as a dictionary explaining what each unit means. Useful for everything from converting units in class to checking currency before a trip abroad. ■ A wide range of conversion categories • Length, area, volume, mass, speed, temperature, angle, pressure, energy, power, force, density, fuel economy, data size, and more • Includes lesser-known units too — traditional Japanese units, imperial units, nautical miles, carats, horsepower ■ Unit dictionary • Search across unit names, aliases, and symbols • Look up how a unit is pronounced, its rough scale, and fun facts • Jump straight from a search result into conversion mode ■ Currency conversion • Real-time currency conversion using up-to-date exchange rates ■ Built to be easy • Conversion and dictionary lookups work entirely on your device (only currency conversion needs a connection, to fetch exchange rates) ■ AI support (Premium) • Ask about units and conversion settings. Supported controls help prepare conversion; results are calculated by the app, not generated by AI. ■ Premium plan • AI help with app usage and supported actions • Up to 30 successful external AI responses per app and subscription each day; resets at midnight Japan Standard Time • AI requires an internet connection and consent to send data • Ads removed Good for: converting recipe measurements, studying science and math, or checking currency and units before an overseas trip. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ratings volume: Unit Converter HD. at 645 against Unit Converter & Dictionary's 1. Unit Converter HD. also leads on iOS requirement (13.0 vs 15.0). Unit Converter & Dictionary's advantage is rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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 & Dictionary sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Unit Converter & Dictionary 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 645 ratings behind it against 1, so its average is the more settled of the two.
Unit Converter HD. ships an update every 2 months, Unit Converter & Dictionary every 3 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | Unit Converter HD. | Unit Converter & Dictionary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (645 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 93.8% of reviews | — |
| Number of ratings | 645 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 86 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Mikoto Gateway |
Customer experience
Unit Converter HD.
Unit Converter & Dictionary
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 & Dictionary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Unit Converter HD.
- Remove Ads Pack$1.99
Unit Converter & Dictionary
- プレミアムプラン$0.991 Month
Questions
Is Unit Converter HD. free?
Is Unit Converter & Dictionary free?
Which has better reviews, Unit Converter HD. or Unit Converter & Dictionary?
Do Unit Converter HD. or Unit Converter & Dictionary have ads?
Which is updated more often, Unit Converter HD. or Unit Converter & Dictionary?
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