Comparison

Units vs Sanborn Propane

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

Sanborn Propane

Features
Read full description

Information at your fingertips! This app gives you direct access to your account balance, location and contract information. It also gives you the ability to store and process payment and request service work and deliveries directly through the app.

Screenshots

Units4 screens
Sanborn Propane3 screens

Verdict

The call

The clearest difference is in-app purchases: Sanborn Propane at none against Units's 3. Sanborn Propane also leads on ads (none vs shown) and iOS requirement (12.2 vs 17.0). Units's advantage is update cadence (monthly vs every 4 months). On price 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. Sanborn Propane asks for nothing beyond the download.

UpkeepUpdate frequency

Units ships an update monthly, Sanborn Propane every 4 months. The most recent releases landed on November 1, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Units versus Sanborn Propane: the parameters behind the verdict, then further details
ParameterUnitsSanborn Propane
PriceFreeFree
Rating4.1 (51 ratings) — better—
Positive reviews60.1% of reviews—
Number of ratings51 — better—
Update frequencyMonthly — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.2 — better
Further details — not scored
Size86 MB56 MB
Age rating4+4+
DeveloperHomegrown Software LtdRural Computer Consultants, Inc.

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

Sanborn Propane

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
None

Sanborn Propane

No in-app purchases

Questions

Is Units free?
Units is free to download, with in-app purchases available.
Is Sanborn Propane free?
Sanborn Propane is free to download, with no in-app purchases.
Do Units or Sanborn Propane have ads?
Units shows ads; Sanborn Propane does not.
Which is updated more often, Units or Sanborn Propane?
Units ships an update monthly, and Sanborn Propane every 4 months. Most recently, Units was updated on November 1, 2026 and Sanborn Propane on September 29, 2026.

Other comparisons