US Unit Converter vs Unit and Value Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
US Unit Converter
Easily convert between US customary units and the International System of Units for various measurements like length, weight, area, volume, and temperature. Access conversion history and remove ads with a premium upgrade.
- Length conversion
- Weight conversion
- Area conversion
- Liquid volume conversion
- Temperature conversion
- Conversion history
- Ad-free option
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"US Unit Converter" converts the units of length, weight, area, liquid volume, and temperature used in the United States into the International System of Units such as meters and kilograms. Select the category of the unit you want to convert at the top of the screen, enter the value, and you can convert immediately. The units that can be converted are as follows. [Unit of length] Meters [m], centimeters [cm], millimeters [mm], kilometers [km], inches [in], feet [ft], yards [yd], miles [mile] [Unit of weight] Kilogram [kg], gram [g], pound [lb], ounce [oz] [Unit of area] Square meters [m2], Are [a], hectares [ha], square kilometers [km2], square feet [ft2], square inches [in2], square miles [mi2], acres [acre], square yards [yd2] [Unit of liquid volume] Litre [L], milliliter [ml], fluid ounce [fl oz], cup [cup], pint [pt], quart [qt], gallon [gal] [Temperature unit] Celsius [℃], Fahrenheit [℉] In the free version, you can see only the previous data in the conversion history. If you want to see 100 historical data or hide ads, please consider purchasing the premium version in the app. ---------------------- Terms of Service and Privacy Policy: https://akikibai-labolatory.jimdofree.com/privacy-policy/
Unit and Value Converter
Easily convert between various measurement systems for everyday tasks. This app offers fast, accurate conversions for speed, weight, and distance, with a history of your calculations. It's a simple, lightweight tool for travelers, students, and anyone needing to understand different units.
- Converts speed, weight, and distance
- Intuitive interface
- History of recent calculations
- Automatic result updates
- Lightweight and simple
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The Unit Converter was designed to make everyday life easier for anyone who needs to work with different measurement systems around the world. Whether traveling, studying, working, or just curious, this app offers a fast and intuitive way to convert units and understand equivalences that may not be part of your daily routine. It provides fast and accurate conversions between speed, weight, and distance, and also keeps a history of recent calculations. Just enter the desired value, choose the source and target units, and tap “=” to view the result. If you change the units after converting, the app updates the result automatically. Simple, lightweight, and hassle-free.
Screenshots
Verdict
The clearest difference is in-app purchases: Unit and Value Converter at none against US Unit Converter's 1. Unit and Value Converter also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (12.0 vs 15.6). US Unit Converter's advantage is rating (4.8 vs 4.3) and ratings volume (110 vs 24). 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. US Unit Converter sells 1 one-off in-app purchase. Unit and Value Converter asks for nothing beyond the download.
US Unit Converter holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 110 and 24 respectively.
US Unit Converter ships an update every 6 months, Unit and Value Converter every 9 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | US Unit Converter | Unit and Value Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (110 ratings) — better | 4.3 (24 ratings) |
| Positive reviews | 44.4% of reviews | — |
| Number of ratings | 110 — better | 24 |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | Matheus Estoque |
Customer experience
US Unit Converter
Unit and Value Converter
In-app purchases
US Unit Converter
- PREMIUM$3.99
Unit and Value Converter
No in-app purchases
Questions
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Is Unit and Value Converter free?
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