Comparison

Units vs Fraction Help

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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)
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Units4 screens
Fraction Help4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Units ships an update monthly, Fraction Help every 7 months. Both last shipped on November 1, 2026.

Scorecard6 real differences · 4 level
Units versus Fraction Help: the parameters behind the verdict, then further details
ParameterUnitsFraction Help
PriceFreeFree
Rating4.1 (51 ratings)4.4 (208 ratings) — better
Positive reviews60.1% of reviews100.0% of reviews — better
Number of ratings51208 — better
Update frequencyMonthly — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.010.0 — better
Further details — not scored
Size86 MB6 MB
Age rating4++4
DeveloperHomegrown Software LtdArmchair Engineering

Customer experience

Units

All ratings49 ratings
Positive79.6%
Neutral4.1%
Negative16.3%
Written reviews581 reviews
Positive60.1%
Neutral12.0%
Negative27.9%

Fraction Help

All ratings207 ratings
Positive84.5%
Neutral5.3%
Negative10.1%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

3 purchases

Units

One-time3
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
3 purchases

Fraction Help

One-time3
  • Pro Upgrade Reduced$1.99
  • Pro Upgrade$2.99
  • Pro Upgrade Hero$4.99

Questions

Is Units free?
Units is free to download, with in-app purchases available.
Is Fraction Help free?
Fraction Help is free to download, with in-app purchases available.
Which has better reviews, Units or Fraction Help?
Fraction Help is rated higher. Units averages 4.1 out of 5 from 51 ratings, while Fraction Help averages 4.4 from 208 ratings.
Do Units or Fraction Help have ads?
Units shows ads; Fraction Help does not.
Which is updated more often, Units or Fraction Help?
Units ships an update monthly, and Fraction Help every 7 months. Most recently, Units was updated on November 1, 2026 and Fraction Help on November 1, 2026.

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