Comparison

Calculator´ vs Calculator AM

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

Head to head
About

Calculator´

This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.

Highlights
  • Live results and natural feel UI
  • User-definable advanced functions
  • History log with easy access
  • Customizable themes and colors
  • On-screen timer
  • iPad multitasking and Spotlight search
Features
Read full description

Stop your math time-wasting today with this app! Designed to help you zip through your daily math in a swift of your own unique style ;-) * LOVED by thousands for its smart UI with Live results & Natural feel Now featuring user-definable advanced Functions that you can Share easily with other Calculator users and optimizations with iPad multitasking, 3D Touch shortcuts, Expandable Widget, Spotlight searching of History + watchOS native App with haptic. Calculator is super intelligent, multi-functional scientific calculator that makes doing math look like art. It has built-in on-screen timer, notif. center Widget, Custom Keyboard, many pre-set functions like Date-time and Base computations and limitless combination of colors, fonts, shapes and sizes. It features standard basic & scientific calculator functions, history log, and an elegant user interface. The quick timer is designed to help your track remaining mins:secs whenever you are on schedule. It is really clever. It can do live math expressions: from the simplest like "1+2" to more advanced expressions like "3+(3x9(80+sin(90)))" Advanced calculator. By swiping left and right on the app, you can easily access over 50+ advanced math functions. History log. Calculator remembers what you have calculated. Swipe up, and you can see all your previous calculations. Colorful Themes. Limitless lovely themes for you to browse, including optional parallax background image of your choice! Easy access. Tap & Hold a math expression to edit it. Shake your device to undo Tap & Hold a number key for smart parenthesis Tap & Hold the decimal point for RANDOM decimal Tap & Hold the “ans” key for answer history Tap & Hold the “÷” key for 1/x Tap & Hold the “-” key to negate Text style Edit option for Expressions Tapping sound options An In-App purchase is ready if you decide to add the Converter and Basic Graphing! Terms of Service & Privacy Policy: https://oval.fi/privacy-calculator Subscription Terms The subscription auto-renews at the end of each term. Payment will be charged to iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Any unused portion of a free trial period will be forfeited if you purchase a subscription. Instructions on how to cancel a subscription can be found at the following link: https://support.apple.com/en-us/HT202039.

About

Calculator AM

This calculator app provides an immediate display of results and calculation methods as you type. Its simple user experience helps you avoid errors and quickly see your work. It offers a free version with optional subscriptions for enhanced features.

Highlights
  • Immediate result display
  • Calculation method history
  • Simple user experience
  • Typo recognition
  • Monthly subscription option
  • Yearly subscription option
Features
Read full description

Calculator AM is a swift calculator for the rest of us. With immediate display of the result and calculation method, and simple user experience. Calculation method. The calculation method display allows you to see everything you have typed. So that you don't forget anything and can recognize typos. Immediate result. Calculator AM allows you to see the result immediately while you are typing. There is no faster way. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator´3 screens
Calculator AM4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator´ at 70% against Calculator AM's 0%. Calculator´ also leads on rating (4.6 vs 4.0) and ratings volume (479 vs 2). Calculator AM's advantage is update cadence (fortnightly vs every 5 weeks) and iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and monetization model 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. Calculator´ sells 4 in-app purchases, starting at $0.49 per year and Calculator AM sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator´ holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Calculator´ has 479 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Calculator´'s written reviews are positive against 0% of Calculator AM's.

UpkeepUpdate frequency

Calculator´ ships an update every 5 weeks, Calculator AM fortnightly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator´ versus Calculator AM: the parameters behind the verdict, then further details
ParameterCalculator´Calculator AM
PriceFreeFree
Rating4.6 (479 ratings) — better4.0 (2 ratings)
Positive reviews70.2% of reviews — better0.0% of reviews
Number of ratings479 — better2
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Mac
Requires iOS14.09.0 — better
Further details — not scored
Size14 MB33 MB
Age rating4+4+
DeveloperOval Software OyAndreas Maier

Customer experience

Calculator´

All ratings475 ratings
Positive91.2%
Neutral2.7%
Negative6.1%
Written reviews121 reviews
Positive70.2%
Neutral9.9%
Negative19.8%

Calculator AM

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Calculator´

Reported bugs

6 issues
  • Buttons below numbers 1, 2, 3 not responding
  • App crashes when screen fills with numbers
  • Numbers deleted backwards after full screen
  • Swipe down converter doesn't work properly on iPad
  • Pressing equals multiple times adds duplicate results
Show 1 more
  • App becomes unresponsive and requires restart

Requested features

7 requests
  • Haptic feedback support
  • Fraction calculation support
  • RPN mode
  • iCloud sync for history
  • Automatic parentheses
Show 2 more
  • Simple keyboard-only option
  • Better converter UI (swipe functionality)

Calculator AM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Calculator´

Subscriptions3
  • Standard features w/ Free Week7 Days trial$0.491 Year
  • Standard features w/ Free Year1 Year trial$0.491 Year
  • Complete feature-set3 Days trial$3.991 Year
One-time1
  • Converter + Graphing$3.99
3 purchases

Calculator AM

Subscriptions2
  • Monthly7 Days trial$0.491 Month
  • Yearly$2.491 Year
One-time1
  • One time purchase$4.99

Questions

Is Calculator´ free?
Calculator´ is free to download, with in-app purchases available.
Is Calculator AM free?
Calculator AM is free to download, with in-app purchases available.
Which has better reviews, Calculator´ or Calculator AM?
Calculator´ is rated higher. Calculator´ averages 4.6 out of 5 from 479 ratings, while Calculator AM averages 4.0 from 2 ratings.
Do Calculator´ or Calculator AM have ads?
Neither Calculator´ nor Calculator AM shows ads.
Which is updated more often, Calculator´ or Calculator AM?
Calculator´ ships an update every 5 weeks, and Calculator AM fortnightly. Most recently, Calculator´ was updated on November 11, 2026 and Calculator AM on November 3, 2026.

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