Comparison

Amount Plus vs CONVERT UNITS

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

Head to head
About

Amount Plus

This app offers an enhanced unit conversion experience with a beautiful interface and extensive customization. It provides over 700 units across 30 categories, advanced search and filtering, and shortcuts for quick conversions. It also supports widgets and Apple Watch for convenient access.

Highlights
  • Over 700 units in 30+ categories
  • Advanced search, filter, and compare
  • Customizable shortcuts for fast conversions
  • User-definable custom units
  • Today widget and Apple Watch support
  • Gorgeous, user-friendly interface
Features
Read full description

Amount Plus is an enhanced version of the multi award winning unit conversion app Amount. Amount Plus improves every aspect of the predecessor by adding more advanced features to increase your productivity without sacrificing its famous simplicity. With a new gorgeous user interface and unrivaled customization features Amount Plus gives you the ability to convert everything you need just the way you like! FEATURES • Converts units faster than before; • Has over 700 units across more than 30 categories; • Offers new ways to search, filter, convert and compare units; • Allows the creation of shortcuts for incredibly fast conversions; • Completely customizable at user needs; • Custom units can be easily added for each category; • Supports Today widget extension to quickly access your favorite conversions; • Supports Apple Watch to convert units directly on your wrist; Categories Amount Plus can handle: Acceleration, Angles, Area, Astronomical, Clothing (men and women), Cooking, Currency, Data, Density, Electric current, Energy, Flow (mass and volume), Force, Frequency, Fuel Consumption, Illuminance, Length and Distance, Luminance, Metric System, Network speed, Power, Pressure, Radiation, Sound, Speed, Temperature, Textile Yarn, Time, Torque, Transportation Cost, Typography, Viscosity (dynamic and kinematic), Volume, Weight and Mass. ADDITIONAL INFO To convert currencies is required an internet connection. Currency and clothing size information are provided only for informational purposes. If you're going to download Amount Plus please rate and leave a comment! And if you have a suggestion don't hesitate to contact me. With your help I can improve Amount Plus even more!

About

CONVERT UNITS

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

Highlights
  • Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency
  • Automatic currency updates
  • 160 currencies available
  • Multitasking enabled for iPad
  • Alphabetical quick links for units
  • Customizable startup categories
  • Adjustable accuracy and rounding
Features
Read full description

CONVERT UNITS is built for the numbers a general converter treats as an afterthought: torque, pressure, viscosity, density, thermal conductivity, magnetic flux density, radioactivity, luminance. Close to 40 of its 72 categories are scientific and engineering categories, covering 685 units in total, in a fast, no-nonsense dark interface built to do one thing: give you the answer and get out of the way. Two scrolling lists, a big keypad, and a result that updates as you type. 72 CATEGORIES, 685 UNITS Torque, pressure, viscosity, density, thermal conductivity, magnetic flux density, radioactivity, luminance — plus length, weight, temperature, speed, area, volume, time, power, energy, data, fuel economy and dozens more. CURRENCY, CRYPTO AND METALS - 160 world currencies, with rates refreshed daily. - 126 cryptocurrencies. - Gold, silver, platinum and palladium. - Update rates automatically, once a day, on every launch, or only when you ask. BUILT TO BE FAST - An alphabetical index down the side of every list - jump straight to a unit instead of scrolling past hundreds. - Search every unit in every category from a single field. - Launch straight into the category you actually use and skip the home screen entirely. - Hide the categories you never touch, so the grid stays yours. PRECISION ON YOUR TERMS - Trim results by significant figures or by decimal places, whichever the spec calls for. - Significant figures keep small numbers detailed: 0.030333 at 3 figures gives 0.0303. - Decimal places line every result up on the same column: 2 places gives 13.78. - Round results up, or leave them exact. THE DETAILS - 33 languages: English, Spanish, French, German, Portuguese, Italian, Japanese, Korean, Chinese (Simplified), Chinese (Traditional), Russian, Arabic, Hindi, Thai, Turkish, Vietnamese, Swedish, Norwegian, Danish, Dutch, Romanian, Ukrainian, Czech, Polish, Croatian, Hungarian, Slovak, Malay, Indonesian, Urdu, Tamil, Telugu, and Bangla. - iPhone and iPad, with a layout built for each, plus Split View so you can convert alongside another app. - Mute the keypad and lock rotation if you prefer. - A dark design with bold, readable figures. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://developer-yl.github.io/convert-units/privacy.html

Screenshots

Amount Plus4 screens
CONVERT UNITS4 screens

Verdict

The call

The clearest difference is price: CONVERT UNITS at Free against Amount Plus's $0.90. CONVERT UNITS also leads on rating (4.7 vs 4.3) and ratings volume (1.4K vs 96). Amount Plus's advantage is ads (none vs shown) and iOS requirement (9.0 vs 15.0). On update cadence, in-app purchases 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

CONVERT UNITS is free to download; Amount Plus costs $0.90 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CONVERT UNITS holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: CONVERT UNITS has 1.4K ratings behind it against 96, so its average is the more settled of the two. Written reviews point the same way: 61% of Amount Plus's written reviews are positive against 75% of CONVERT UNITS's.

UpkeepUpdate frequency

Amount Plus ships an update monthly, CONVERT UNITS every 6 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 3 level
Amount Plus versus CONVERT UNITS: the parameters behind the verdict, then further details
ParameterAmount PlusCONVERT UNITS
Price$0.90Free — better
Rating4.3 (96 ratings)4.7 (1.4K ratings) — better
Positive reviews61.2% of reviews75.0% of reviews — better
Number of ratings961.4K — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size7 MB21 MB
Age rating4++4
DeveloperMarco TorrettaAdysseus

Customer experience

Amount Plus

All ratings96 ratings
Positive80.2%
Neutral7.3%
Negative12.5%
Written reviews129 reviews
Positive61.2%
Neutral12.4%
Negative26.4%

CONVERT UNITS

All ratings1,358 ratings
Positive94.0%
Neutral3.2%
Negative2.7%
Written reviews32 reviews
Positive75.0%
Neutral6.3%
Negative18.8%

Bugs and requests

Amount Plus

Not enough reviews yet to summarise bugs or requests.

CONVERT UNITS

Reported bugs

2 issues
  • App got stuck, required uninstall/reinstall to fix
  • Navigation issues, unable to get back to home page

Requested features

2 requests
  • Option to convert between functions (length to volume)
  • Remember last conversion settings for each category

In-app purchases

None

Amount Plus

No in-app purchases

None

CONVERT UNITS

No in-app purchases

Questions

Is Amount Plus free?
Amount Plus costs $0.90, with no in-app purchases.
Is CONVERT UNITS free?
CONVERT UNITS is free to download, with no in-app purchases.
Which has better reviews, Amount Plus or CONVERT UNITS?
CONVERT UNITS is rated higher. Amount Plus averages 4.3 out of 5 from 96 ratings, while CONVERT UNITS averages 4.7 from 1.4K ratings.
Do Amount Plus or CONVERT UNITS have ads?
CONVERT UNITS shows ads; Amount Plus does not.
Which is updated more often, Amount Plus or CONVERT UNITS?
Amount Plus ships an update monthly, and CONVERT UNITS every 6 weeks. Most recently, Amount Plus was updated on September 26, 2026 and CONVERT UNITS on September 25, 2026.

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