US Unit Converter vs IDEP
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/
IDEP
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Used for simple operation of SAI series mid frequency inverter precision resistance welding controller in the business field: By connecting to the controller's wifi hotspot, the connection between the iPhone and the controller can be achieved, enabling some simple programming operations or viewing welding curves and welding data.
Screenshots
Verdict
The clearest difference is in-app purchases: IDEP at none against US Unit Converter's 1. IDEP also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. IDEP asks for nothing beyond the download.
US Unit Converter ships an update every 6 months, IDEP every 12 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.
| Parameter | US Unit Converter | IDEP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (109 ratings) — better | — |
| Positive reviews | 44.4% of reviews | — |
| Number of ratings | 109 — better | — |
| Update frequency | Every 6 months — better | Every 12 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 6 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | 帅 王 |
In-app purchases
US Unit Converter
- PREMIUM$3.99
IDEP
No in-app purchases
Questions
Is US Unit Converter free?
Is IDEP free?
Do US Unit Converter or IDEP have ads?
Which is updated more often, US Unit Converter or IDEP?
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