Length vs Easy Units
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Length
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Turn your device into a ruler and measure small distances in either imperial inches or metric cm and convert any value between the two units. Features: - inch/cm converter for any arbitrary value - tap and drag the line to snap to multiple values of 0.05in (left side) or 0.1cm (right side) - supports the iPad Pro, iPad Mini and all iPhones - support for the iPad multitasking (split view..)
Easy Units
This app offers a comprehensive suite of measurement and conversion tools, including currency, temperature, and length. It also features a ruler, protractor, level, decibel meter, and compass, making it a versatile utility for everyday tasks and professional use.
- Unit conversion across dozens of categories
- Real-time currency exchange rates
- Integrated ruler and protractor
- Level and decibel meter tools
- Compass for navigation
- Home-screen widgets for quick access
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Easy Units - Everything You Need for Measuring and Converting Make conversions easily with Easy Units, the most complete unit converter designed to meet all your measurement needs. Convert currency, temperature, speed, length, weight, and dozens of other categories. New Tools! Everything you want to measure - right in your pocket! The latest version of Easy Units introduces powerful new tools that turn your phone into a multifunctional measuring device: - Ruler - Carry a precise ruler in your pocket. Instantly measure objects wherever you are! - Protractor - Measure angles with ease. Ideal for school/ university projects, and quick geometry checks. - Level - Check whether a surface is perfectly horizontal or vertical. Perfect for home improvements and on-site work. - Decibel Meter - Measure live sound levels in real time to monitor noise, protect your hearing, or check audio environments. - Ring Size Checker - Easily determine ring sizes at home! - Compass - Stay oriented anywhere. Great for travel, hiking, or everyday navigation. Navigate effortlessly through the clean, streamlined interface, built for quick inputs and immediate results. Personalize your workflow with home-screen widgets for your most frequent converters: whether it’s measurements, currency, or construction-specific tools. Convert Anything, Anytime With an intuitive design and a rich selection of units, you can convert feet to inches, pounds to kilograms, or switch between any measurement instantly. Explore dozens of categories, including: Amount of substance, Area, Angles, Currency, Data transfer rate, Density, Digital data, Energy, Force, Frequency, Fuel consumption, Length, Luminous energy, Mass, Magnetomotive force, Molar mass, Numeral systems, Pressure, Power, Speed, Shoe size, SI prefixes, Temperature, Time, Torque, Volume. Real-Time Currency Converter Stay financially informed with global exchange rates updated in real time. Whether you're traveling abroad or making international purchases, Easy Units gives you fast, accurate currency conversions. With an intuitive design and a wide variety of units you can convert feet to inches and pounds to kilograms. Enjoy access to an extensive collection across dozens of categories: convert length, weight, mass (kg), force, speed, time, volume, temperature, and many more. Need a feet and inches calculator? Use our dedicated measurement calculator to switch between units. The app’s interface offers seamless navigation, quick value input, and instant results-perfect for both quick calculations and more detailed conversions. Customize your experience with widgets for frequent conversions like measurement converter or currency converter right from your home screen. Whether you’re an engineer, student, traveler, or professional using construction calculators, managing ampere values in electronics, Easy Units simplifies your work with unit conversion. Easy Units is your all-in-one solution for fast, accurate, and hassle-free conversions.
Screenshots
Verdict
The clearest difference is price: Easy Units at Free against Length's $0.99. Easy Units also leads on update cadence (every 3 weeks vs every 11 months). Length's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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
Easy Units is free to download; Length costs $0.99 up front. Easy Units sells 3 in-app purchases, starting at $2.99 per month. Length asks for nothing beyond the download.
Length ships an update every 11 months, Easy Units every 3 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | Length | Easy Units |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.3 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 34 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | T-group |
In-app purchases
Length
No in-app purchases
Easy Units
- Monthly Plus$2.991 Month
- Annual Plus3 Days trial$9.991 Year
- Lifetime Access$19.99









