The Conversion App vs Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Conversion App
This utility app offers a simple and powerful way to perform various unit conversions. It supports a wide range of categories and allows users to request new conversions to be added. Available on iPhone and iPad, it's designed for ease of use.
- Area conversion
- Data conversion
- Length conversion
- Speed conversion
- Time conversion
- Volume conversion
- Weight conversion
Read full descriptionHide full description
By far the simplest, cleanest and most powerful unit conversion app available. Support for iPhone, iPad and Family Sharing. If you want a unit that isn't provided send a feedback email through the app and it will be added promptly. Currently Available Conversions: - Area - Data-computer data (byte, kilobyte, megabyte, etc.) - Fuel-milage - Length - Power - Pressure - Speed - Time (days, weeks, hours, etc.) - Volume - Weight - Acceleration - Energy - Cooking - Frequency - Temperature What's Coming Next? - Real-time currencies - Anything you ask for - Mac Support - Apple TV Support If you send a request for a new conversion type consider it done. Thank you icons8 designers for the icons.
Unit Converter
This tool provides fast and accurate conversions across 14 common physical unit categories. It supports metric, imperial, and traditional Chinese units, with customizable display styles for personalized use. Ideal for everyday and professional conversion needs.
- 14 unit categories
- Metric, imperial, and Chinese units
- Customizable display styles
- Accurate conversions
- Supports length, area, volume, mass, temperature, and more
Read full descriptionHide full description
Unit Converter is a powerful tool for fast and accurate conversions between various units. It handles both everyday and professional units with ease. Using advanced algorithms, it ensures precise results and offers customizable display styles to suit user needs. *** Features *** ► Supports Multiple Unit Categories Unit Converter covers 14 commonly used physical unit categories and supports multiple unit systems, including metric, imperial, and Chinese traditional units, catering to conversion needs in various scenarios. Supported categories include: * Length (e.g., meters, feet, inches) * Area (e.g., square meters, square feet, mu) * Volume (e.g., liters, gallons, cubic meters) * Mass (e.g., kilograms, pounds, ounces) * Temperature (e.g., Celsius, Fahrenheit, Kelvin) * Pressure (e.g., pascals, atmospheres, millimeters of mercury) * Power (e.g., watts, horsepower, kilowatts) * Energy (e.g., joules, calories, kilowatt-hours) * Density (e.g., kilograms per cubic meter, pounds per cubic foot) * Force (e.g., newtons, pound-force) * Time (e.g., seconds, minutes, hours) * Speed (e.g., meters per second, kilometers per hour, miles per hour) * Data Storage (e.g., bytes, kilobytes, megabytes) * Angle (e.g., degrees, radians, gradians) ► Customizable Unit Display Styles To meet users' personalized needs, Unit Converter offers three different unit display styles, allowing users to freely choose based on their preferences: * Full Display (e.g., meters/second (m/s)) * Simplified Display (e.g., meters/second) * Symbol Display (e.g., m/s) ► Contact Us * Email: ceo@noadit.com
Screenshots
Verdict
The clearest difference is review sentiment: Unit Converter at 100% against The Conversion App's 45%. Unit Converter also leads on rating (5.0 vs 4.1). The Conversion App's advantage is ads (none vs shown) and ratings volume (61 vs 3). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Unit Converter holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: The Conversion App has 61 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 45% of The Conversion App's written reviews are positive against 100% of Unit Converter's.
Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on November 3, 2026.
| Parameter | The Conversion App | Unit Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (61 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 45.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 61 — better | 3 |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Sparrow Development LLC | Noadit, Inc. |
Customer experience
The Conversion App
Unit Converter
In-app purchases
The Conversion App
No in-app purchases
Unit Converter
No in-app purchases
Questions
Is The Conversion App free?
Is Unit Converter free?
Which has better reviews, The Conversion App or Unit Converter?
Do The Conversion App or Unit Converter have ads?
Which is updated more often, The Conversion App or Unit Converter?
Other comparisons
