Comparison

Scientific Calc 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

Scientific Calc

This utility app provides advanced scientific calculation functions with an intuitive interface. It offers easy access to functions via swiping and large, uncluttered buttons for faster, more reliable calculations. Customize your experience with background options and enjoy extended accuracy for complex computations.

Highlights
  • Swipe-based access to scientific functions
  • Large, uncluttered buttons
  • Backspace key for corrections
  • Copy and paste functionality
  • Customizable background and display
  • Extended accuracy calculations
Features
Read full description

Scientific Calculator for iPad and iPhone. Easy to access the scientific functions by swiping between exponents, logs and sinus functions so all buttons are large and uncluttereds, this allows you to work faster and more reliable (no rotation or "2nd" function keys needed). All the functions are visible on the iPad, but more are revealed by rotating to landscape. Balloon help for easy functionality. Features: - Correct with a backspace key if you enter a wrong digit without having to redo. - Parantheses and correct calculation priority. - Copy and Paste numbers to other Apps, by tapping on the display. - Change number display to Fixed, Scientific, etc., by tapping on the display. - Customize you background and fixed digits. - An audible sound confirms if you have pressed a button, which can be easily disabled by touching the speaker. - Previous calculation is repeated when the equal sign is pressed. - Memory is saved between uses. - Degrees and Radians can be switched by pressing the symbol on the screen or a button. - A visible and audible error when trying to divide by zero or take the square root of a negative number. - Numbers are shown in local format, depending on your Region Formats, i.e. comma used in Europe. - Calculations are done in extended accuracy so that the square root of 2 repeated a few times, followed by a square will result in 2, not 1.999999999999983.

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

Scientific Calc3 screens
Objective Calculator4 screens

Verdict

The call

The clearest difference is price: Objective Calculator at Free against Scientific Calc's $1.99. Objective Calculator also leads on rating (4.7 vs 3.7) and review sentiment (87% vs 50%). Scientific Calc's advantage is in-app purchases (none vs 1). On ads 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

Objective Calculator is free to download; Scientific Calc costs $1.99 up front. Objective Calculator sells 1 one-off in-app purchase. Scientific Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Objective Calculator holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Objective Calculator has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Scientific Calc's written reviews are positive against 87% of Objective Calculator's.

UpkeepUpdate frequency

Scientific Calc ships an update every 5 months, Objective Calculator every 3 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard8 real differences · 2 level
Scientific Calc versus Objective Calculator: the parameters behind the verdict, then further details
ParameterScientific CalcObjective Calculator
Price$1.99Free — better
Rating3.7 (3 ratings)4.7 (19 ratings) — better
Positive reviews50.0% of reviews86.7% of reviews — better
Number of ratings319 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.011.0 — better
Further details — not scored
Size15 MB10 MB
Age rating4+4+
DeveloperHannes SverrissonThiago Anderson Martins

Customer experience

Scientific Calc

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Objective Calculator

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

In-app purchases

None

Scientific Calc

No in-app purchases

1 purchases

Objective Calculator

One-time1
  • Objective Calculator Pro$1.99

Questions

Is Scientific Calc free?
Scientific Calc costs $1.99, with no in-app purchases.
Is Objective Calculator free?
Objective Calculator is free to download, with in-app purchases available.
Which has better reviews, Scientific Calc or Objective Calculator?
Objective Calculator is rated higher. Scientific Calc averages 3.7 out of 5 from 3 ratings, while Objective Calculator averages 4.7 from 19 ratings.
Do Scientific Calc or Objective Calculator have ads?
Neither Scientific Calc nor Objective Calculator shows ads.
Which is updated more often, Scientific Calc or Objective Calculator?
Scientific Calc ships an update every 5 months, and Objective Calculator every 3 weeks. Most recently, Scientific Calc was updated on October 16, 2026 and Objective Calculator on October 17, 2026.

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