Comparison

Qnum › Calculator vs Calculator ⁺⁻

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

Head to head
About

Qnum › Calculator

This utility app allows for multi-screen calculations, letting you switch between screens to continue equations without clearing previous work. Save notes, copy values, and access calculation history easily.

Highlights
  • Multiple calculation screens (up to 8)
  • Duplicate and edit existing screens
  • Carry over variables or results to new screens
  • Assign shortcut keys to functions
  • Copy values and access calculation history
Features
Read full description

Swipe to the next screen and continue on that screen without having to clear your equation. It's that effective and easy! Stop taking notes; switch between screens for values you can not remember, copy the value or keep working on that history. Qnum › Calculator | Multi-Screen Experience The most flexible and powerful way of the calculation process. Features ∙ Create Screens up to 8 ∙ Duplicate current screen ∙ Edit any variables of the equations ∙ Start new screen with equation variable or equation result ∙ Assign shortcut keys to the Function (fn) button Advert Policy In Qnum › Calculator, there are no surprise ads that pop up suddenly. As exception, classic (banner) ads are shown. The billboard is positioned only on the top edge of the home screen, without affecting the design. On the other hand, it has the same abilities and features as the paid version. Optionally, the ad-free version is available separately. To reach this, you can go to the developer page or start a new search with the name Qnum. Thank you for your interest | Qnum

About

Calculator ⁺⁻

This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.

Highlights
  • Basic and scientific calculator modes
  • Over 30 scientific operations
  • Calculation history view
  • Real-time calculation display
  • Customizable color themes
  • Adjustable button touch sound/vibration
  • High accuracy calculations (75+ significant digits)
Features
Read full description

Calculator for iPad and iPhone is an easy to use that includes both a standard and scientific calculator. Calculator app allows you to: • Customize the look of the application by changing the color • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • View history of your calculations on the History Tab • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations • Change button touch sound with vibration • Displays real time calculation

Screenshots

Qnum › Calculator4 screens
Calculator ⁺⁻4 screens

Verdict

The call

The clearest difference is ads: Qnum › Calculator at none against Calculator ⁺⁻'s shown. Qnum › Calculator also leads on update cadence (every 3 months vs every 15 months) and monetization model (free vs ad-supported). Calculator ⁺⁻'s advantage is review sentiment (50% vs 40%) and ratings volume (40 vs 10). On price, rating, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Qnum › Calculator against 4.7 for Calculator ⁺⁻. Both are backed by a comparable volume of ratings — 10 and 40 respectively. Written reviews are what separate them: 40% of Qnum › Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.

UpkeepUpdate frequency

Qnum › Calculator ships an update every 3 months, Calculator ⁺⁻ every 15 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Qnum › Calculator versus Calculator ⁺⁻: the parameters behind the verdict, then further details
ParameterQnum › CalculatorCalculator ⁺⁻
PriceFreeFree
Rating4.7 (10 ratings)4.7 (40 ratings)
Positive reviews40.0% of reviews50.0% of reviews — better
Number of ratings1040 — better
Update frequencyEvery 3 months — betterEvery 15 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.3 — better15.0
Further details — not scored
Size31 MB4 MB
Age rating4+4+
DeveloperAhmet Orhan TohmaMatrix Software Co.

Customer experience

Qnum › Calculator

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews5 reviews
Positive40.0%
Neutral40.0%
Negative20.0%

Calculator ⁺⁻

All ratings40 ratings
Positive90.0%
Neutral7.5%
Negative2.5%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Qnum › Calculator

No in-app purchases

None

Calculator ⁺⁻

No in-app purchases

Questions

Is Qnum › Calculator free?
Qnum › Calculator is free to download, with no in-app purchases.
Is Calculator ⁺⁻ free?
Calculator ⁺⁻ is free to download, with no in-app purchases.
Which has better reviews, Qnum › Calculator or Calculator ⁺⁻?
Qnum › Calculator and Calculator ⁺⁻ are both rated 4.7 out of 5 on the App Store, from 10 and 40 ratings respectively.
Do Qnum › Calculator or Calculator ⁺⁻ have ads?
Calculator ⁺⁻ shows ads; Qnum › Calculator does not.
Which is updated more often, Qnum › Calculator or Calculator ⁺⁻?
Qnum › Calculator ships an update every 3 months, and Calculator ⁺⁻ every 15 months. Most recently, Qnum › Calculator was updated on October 9, 2026 and Calculator ⁺⁻ on October 8, 2026.

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