Comparison

Calculator × vs Objective Calculator

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 redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.

Highlights
  • Tape Log for calculation history
  • Reuse, copy, and share calculations
  • Evaluate entire formulas at once
  • iPad multitasking support
  • Modern touch-screen design
Features
Read full description

Designed exclusively for today's touch-screen devices, this calculator app represents a groundbreaking paradigm shift, leaving behind the outdated design patterns of mechanical calculators. We have meticulously crafted a new design from scratch, keeping modern touch-screen devices at the forefront of our innovation. • Tape Log: All your calculations are securely stored in the tape log, ensuring you never lose track of your numerical journey. • Calculation Management: Effortlessly reuse, copy, or share calculations to integrate them seamlessly into your work or daily life. • Formula Evaluation: Enter entire formulas in one line for swift and accurate evaluation, simplifying complex calculations. • iPad Multitasking: Experience true productivity with iPad multitasking support, enabling you to perform calculations while using other apps through Slide Over and Split View. Calculator Pro represents a powerful departure from traditional calculators, offering a tailored experience for touch-screen devices. Download now and embrace a new era of calculations with maximum control and power at your fingertips. Terms of Use: https://doubleuapp.com/privacy/terms.html

About

Objective Calculator

This versatile calculator app offers a unique tabbed interface for managing multiple calculations simultaneously. It includes a scientific calculator, currency converter, and drawing/annotation capabilities for notes and reminders. Optimized for modern iOS devices, it provides real-time results and advanced history features.

Highlights
  • Tabbed interface for multiple calculations
  • Scientific calculator functions
  • Drawing and annotation notes
  • Real-time problem solving
  • Currency converter with 33 currencies
  • Advanced history management
  • Color themes and dark/light mode
Features
Read full description

Regular Calculator with Tabs, Notepad, Scientific Calculator and Currency Converter! Objective Calculator was made for you! From simple calculations, like the total price of a purchase, to advanced trigonometric functions, it can handle it all! This is the only calculator app with tabs, and everyone loves it! You can calculate several different things at the same time, or break down a single problem without losing any number. You can even give a title to your tabs, so you can easily find it later. Objective Calculator is the only calculator app with the ability of taking drawing notes! Use your Apple Pencil or finger to record reminders or important informations about your calculations. The best iOS technologies are implemented in this app, like 3D Touch, Drag and Drop, Haptic Feedback, Apple Pencil support and more. Get the most out of your latest device! Features: • Real-time Problem Solving - no need for an “equals” button. Objective Calculator gives the result as you type • Tabs - innovative and useful for everyone • Drawings - Add drawings to your tabs as notes or reminders! Supports Apple Pencil! • Currency Converter - 33 currencies available • Annotations - give titles to your tabs, you can even use emojis! • Advanced History - search, reuse, edit, drag, email or delete history items • Color Themes - several beautiful color themes available • Real-time Editing - easily replace numbers, operators or functions • Normal Mode - hide all scientific buttons if you don’t use them • Complete Portrait - have access to all buttons, even on portrait mode • Multitasking - Slide Over and Split View for iPad • Drag and Drop - available for iPad and iPhone • 3D Touch - useful quick actions on supported devices • External Keyboard Support - over 30 keyboard shortcuts • Dark and Light Mode - the whole interface adjusts to your current color theme • Fast App Launch - the app launches very quickly, even on older devices • Great Performance - it responds to every interaction without annoying lags • Very easy to use • Beautiful, modern and clean interface, without advertisements

Screenshots

Calculator ×4 screens
Objective Calculator4 screens

Verdict

The call

The clearest difference is ads: Objective Calculator at none against Calculator ×'s shown. Objective Calculator also leads on update cadence (every 3 weeks vs every 2 months) and rating (4.7 vs 4.5). Calculator ×'s advantage is ratings volume (143 vs 19). 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. Calculator × sells 4 in-app purchases, starting at $4.99 per year and Objective Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Objective Calculator holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Calculator × has 143 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 73% of Calculator ×'s written reviews are positive against 87% of Objective Calculator's.

UpkeepUpdate frequency

Calculator × ships an update every 2 months, Objective Calculator every 3 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator × versus Objective Calculator: the parameters behind the verdict, then further details
ParameterCalculator ×Objective Calculator
PriceFreeFree
Rating4.5 (143 ratings)4.7 (19 ratings) — better
Positive reviews73.3% of reviews86.7% of reviews — better
Number of ratings143 — better19
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.611.0 — better
Further details — not scored
Size10 MB10 MB
Age rating4+4+
DeveloperDOUBLE U s.r.o.Thiago Anderson Martins

Customer experience

Calculator ×

All ratings143 ratings
Positive89.5%
Neutral4.2%
Negative6.3%
Written reviews15 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

Objective Calculator

All ratings19 ratings
Positive94.7%
Neutral0.0%
Negative5.3%
Written reviews30 reviews
Positive86.7%
Neutral3.3%
Negative10.0%

In-app purchases

4 purchases

Calculator ×

Subscriptions1
  • Premium Yearly$4.991 Year
One-time3
  • Remove ads$4.99
  • Remove ads$7.99
  • Remove ads$11.99
1 purchases

Objective Calculator

One-time1
  • Objective Calculator Pro$1.99

Questions

Is Calculator × free?
Calculator × is free to download, with in-app purchases available.
Is Objective Calculator free?
Objective Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator × or Objective Calculator?
Objective Calculator is rated higher. Calculator × averages 4.5 out of 5 from 143 ratings, while Objective Calculator averages 4.7 from 19 ratings.
Do Calculator × or Objective Calculator have ads?
Calculator × shows ads; Objective Calculator does not.
Which is updated more often, Calculator × or Objective Calculator?
Calculator × ships an update every 2 months, and Objective Calculator every 3 weeks. Most recently, Calculator × was updated on October 13, 2026 and Objective Calculator on October 5, 2026.

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