Units vs Fraction Help
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 the fast, friendly unit converter. Type a number into any unit and instantly see it in every other one, all on a single screen. There's no picking what to convert from and to, no digging through menus, and no ads. With more than 800 units across 43 categories, Units covers everyday conversions like length, weight, volume and temperature, and the ones you need less often, from torque and fuel consumption to data rates, shoe sizes and musical notes. SEE EVERYTHING AT ONCE • Enter a value in any unit and every other unit in the category updates as you type • A keypad made for numbers, so the decimal point is always right where you need it CURRENCY • Convert between more than 160 currencies • Exchange rates updated every day MAKE IT YOURS • Hide the units you never use, so the ones you need are always in view • Reorder units and categories so your favorites come first • Switch on a two-column layout to see even more at a glance • Leave a tip to unlock a collection of alternative app icons MADE FOR YOUR DEVICES • Designed for iPhone and iPad, with your categories and conversion side by side on larger screens • Makes full use of iPhone Duo, whether it's open or closed • Handoff picks up a conversion where you left off on another device • Supports Dark Mode and Dynamic Type Units has been converting since 2008, and is lovingly made in Scotland.
Fraction Help
This app simplifies fraction calculations and learning. It solves various fraction equations, shows detailed steps for understanding, and converts between decimals and fractions. It also helps find factors of numbers.
- Solve fraction equations (add, subtract, multiply, divide)
- View detailed working for solutions
- Work with mixed/partial fractions
- Convert between decimal and fractional values
- Find factors and common factors
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Makes solving & learning fractions easy! Fraction Help is a fraction calculator & educational tool that enables you to quickly solve fraction problems. Features Include: - Accurately solve fraction equations (addition, subtraction, multiplication & division) - View detailed working, to learn how the final answered was determined* - Work with mixed/partial fractions* - Easily convert between decimal and fractional values - Quickly find the factors of a given numbers or the common factors of two values *Some features require simple one-time in-app purchase
Screenshots
Verdict
The clearest difference is review sentiment: Fraction Help at 100% against Units's 60%. Fraction Help also leads on ads (none vs shown) and rating (4.4 vs 4.1). Units's advantage is update cadence (monthly vs every 7 months). On price, in-app purchases, monetization model 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 and Fraction Help sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Fraction Help holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 51 and 208 respectively. Written reviews point the same way: 60% of Units's written reviews are positive against 100% of Fraction Help's.
Units ships an update monthly, Fraction Help every 7 months. Both last shipped on November 1, 2026.
| Parameter | Units | Fraction Help |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (51 ratings) | 4.4 (208 ratings) — better |
| Positive reviews | 60.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 51 | 208 — better |
| Update frequency | Monthly — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 86 MB | 6 MB |
| Age rating | 4+ | +4 |
| Developer | Homegrown Software Ltd | Armchair Engineering |
Customer experience
Units
Fraction Help
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
Fraction Help
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
Fraction Help
- Pro Upgrade Reduced$1.99
- Pro Upgrade$2.99
- Pro Upgrade Hero$4.99
Questions
Is Units free?
Is Fraction Help free?
Which has better reviews, Units or Fraction Help?
Do Units or Fraction Help have ads?
Which is updated more often, Units or Fraction Help?
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