Unit Converter vs ALClient
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
This utility app offers conversion for over 100 units across 18 categories, including length, mass, temperature, and digital storage. It supports a wide range of specific units within each category and provides a clean, ad-free interface for quick conversions.
- 18 unit categories
- Over 100 units supported
- Ad-free experience
- Supports multiple devices
- Pro version with free trial
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Support 18 categories of units, convert over 100+ units: - Angle: Degrees, Radians, Grad, Arcseconds, Arcminutes, Revolutions - Area: Mm², Square Kilometers, Square Meters, Square Centimeters, Mm², Μm², Nm², Square Inches, Square Feet, Square Yards, Square Miles, Acres, Ares, Hectares - Base: Binary, Octal, Decimal, Hexadecimal - Digital Storage: Bits, Bytes, Mib, Gib, Tib, Pib, Megabytes, Gigabytes, Terabytes, Petabytes - Electric Charge: C, Mah, Kah, Ah, Mah, Μah - Electric Potential Difference: Mv, Kv, Volts, Mv, Μv - Electric Resistance: Mω, Kω, Ohms, Mω, Μω - Energy: Kilojoules, Joules, Kilocalories, Calories, Kilowatt-Hours - Frequency: Thz, Gigahertz, Megahertz, Kilohertz, Hertz, Mhz, Μhz, Nhz - Fuel Efficiency: Liters Per 100 Kilometers, Miles Per Gallon, Miles Per Imp. Gallon - Length: Millimeters, Centimeters, Decimeters, Meters, Kilometers, Light Years, Inches, Feet, Yards, Miles - Mass: Kilograms, Grams, Dg, Cg, Milligrams, Micrograms, Ng, Pg, Ounces, Pounds, Stones, Metric Tons, Tons, Carats, Troy Ounces, Slug - Power: Tw, Gigawatts, Megawatts, Kilowatts, Watts, Milliwatts, Μw, Nw, Pw, Fw, Horsepower - Pressure: N/M², Gpa, Mpa, Kpa, Hectopascals, Inches Of Mercury, Bar, Millibars, Millimeters Of Mercury, Pounds-Force Per Square Inch - Speed: Kilometers Per Hour, Meters Per Second, Knots - Temperature: Degrees Celsius, Degrees Fahrenheit, Kelvins - Time (Duration): Milliseconds, Seconds, Minutes, Hours, Days, Weeks, Months, Years, Decade, Century - Volume: Megaliters, Kl, Liters, Deciliters, Centiliters, Milliliters, Cubic Kilometers, Cubic Meters, Dm³, Mm³, Cubic Inches, Cubic Feet, Cubic Miles Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ALClient
Stream videos, audio, and documents online from various formats. Download and collect files with features like dual-speed playback and loop mode. Enjoy a versatile media and file management experience.
- Online video playback (multiple formats)
- Dual-speed and orientation playback
- Online audio playback (loop mode)
- Online document browsing
- File download and collection
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1. Supports online playback of videos in multiple formats, with dual speed playback and horizontal and vertical viewing. 2. Supports online playback of multiple formats of audio, with optional loop mode. 3. Support online browsing of documents in multiple formats. 4. Support file download and collection functions.
Screenshots
Verdict
The clearest difference is in-app purchases: ALClient at none against Unit Converter's 2. ALClient also leads on iOS requirement (13.0 vs 15.0). Unit Converter's advantage is rating (4.9 vs 4.6) and review sentiment (100% vs 78%). On price, ratings volume, update cadence and ads 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 sells 2 one-off in-app purchases. ALClient asks for nothing beyond the download.
Unit Converter holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 18 and 12 respectively. Written reviews point the same way: 100% of Unit Converter's written reviews are positive against 78% of ALClient's.
Unit Converter ships an update every 9 days, ALClient fortnightly. Both last shipped on November 3, 2026.
| Parameter | Unit Converter | ALClient |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (18 ratings) — better | 4.6 (12 ratings) |
| Positive reviews | 100.0% of reviews — better | 77.8% of reviews |
| Number of ratings | 18 — better | 12 |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod, Mac, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | ZIJIAN CHEN | Hangzhou Yifu Technology Co., Ltd |
Customer experience
Unit Converter
ALClient
In-app purchases
Unit Converter
- 1 cup of orange juice.$0.99
- 1 litre of orange juice.$2.99
ALClient
No in-app purchases









