Units vs Unit Converter ++
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Units
Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.
- Hundreds of units across 43 categories
- Daily updated currency exchange rates
- Hide unused units
- Reorder units and categories
- Universal app support (iPhone, iPod touch, iPad)
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Units is a really useful free app that lets you easily convert from various units into lots of others. Units can convert hundreds of units from 43 different categories including Speed, Time, Length, Volume, Area, Power, Temperature, Fuel Consumption, Shoe Sizes and loads more! Units is a fully universal app with native support for iPhones, iPod touches, and iPads. • Convert hundreds of units - Units has over 800 units across 43 different categories. • Convert currency - Units can convert between 88 different currencies, with rates updated daily. • Hide unused units - Units lets you hide units you don't use, allowing you to maintain a streamline conversion workflow. • Reorder both units and unit categories to suit your needs.
Unit Converter ++
Easily convert between various units of measurement for length, weight, temperature, volume, and more. This offline tool is designed for travelers, students, and professionals needing quick conversions.
- Converts length, weight, temperature, volume, and more
- Supports numerous units of measurement
- Works offline
- Useful for travelers, students, and professionals
- Covers speed, area, pressure, power, and energy units
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Unit Converter ++ is an easy-to-use to converter length, weight, temperature, volume and multiple other units of measurement. Unit Converter ++ is useful for international travelers, students, cooks, engineers and anyone else who needs to convert between units. Units (abstract) Length: Mile, Yard, Foot, Inch, Kilometer, Meter, Centimeter... Temperature: Celsius, Fahrenheit... Volume: Gallon, Quart, Pint, Cup, Tablespoon, Teaspoon, Liter... Speed: Knots, Miles per Hour, Kilometers per Hour... Area: Square Mile, Square Foot, Acre... Weight: Ton, Pound, Ounce, Kilogram... Pressure: Pounds/Square Foot (psi), Bars, Inches of Mercury... Power: Horsepower, Kilowatts... Time: Years, Weeks, Days, Hours, Minutes... Energy: Calories, Ergs, Joules, Watt-Hours.. Fuel Consumption: Mile/Gallon (mpg), Liter/100 Kilometer.. Torque: Newton Meter, Pound-Force Foot... Force: Pound-Force, Dyne, Poundal... Unit Converter ++ works offline. Conversions are provided for informational purposes only, with no guarantee of accuracy or validity.
Screenshots
Verdict
The clearest difference is rating: Units at 3.6 against Unit Converter ++'s 1.6. Units also leads on review sentiment (60% vs 20%) and update cadence (monthly vs every 9 months). Unit Converter ++'s advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 13.5). 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. Units sells 3 one-off in-app purchases. Unit Converter ++ asks for nothing beyond the download.
Units holds the better App Store score, 3.6 against 1.6. That said, the two scores are not equally well evidenced: Units has 150 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 60% of Units's written reviews are positive against 20% of Unit Converter ++'s.
Units ships an update monthly, Unit Converter ++ every 9 months. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.
| Parameter | Units | Unit Converter ++ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (150 ratings) — better | 1.6 (10 ratings) |
| Positive reviews | 60.0% of reviews — better | 20.0% of reviews |
| Number of ratings | 150 — better | 10 |
| Update frequency | Monthly — better | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.5 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Homegrown Software Ltd | Nirav Patel |
Customer experience
Units
Unit Converter ++
Bugs and requests
Units
Reported bugs
4 issues- Crashes when clearing input fields
- Numerical keypad covers conversion results
- Incompatibility issues with newer iOS versions
- Ruler measurements not accurate on all devices
Requested features
5 requests- Add nautical units (miles, knots)
- Improve currency conversion accuracy and updates
- Allow customization of visible unit categories
- Add more clothing/shoe size conversions
- Improve user interface and search functionality
Unit Converter ++
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Units
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
Unit Converter ++
No in-app purchases
Questions
Is Units free?
Is Unit Converter ++ free?
Which has better reviews, Units or Unit Converter ++?
Do Units or Unit Converter ++ have ads?
Which is updated more often, Units or Unit Converter ++?
Other comparisons
