Calculator for iPad₊ vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator for iPad₊
This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.
- Basic & Scientific Calculator
- Advanced Scientific Functions
- Live Currency Converter
- Calculation History
- Copy and Share Calculations
- Equation Editing
- Memory Banks
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Solves complex math equations easily with the help of advanced scientific functions, or quickly calculates simple basic calculations. It is fast, handy, and has big buttons! Explicitly designed for iPad, and now also available on iPhone! Save time and share your calculation with your colleague, friend, or anyone, whenever you are! Master your work and calculate percentages to check your business expenses, taxes, financial reports, and whether your budget is correct! #homework #school #hybrid #home CALCULATOR - EXCLUSIVELY MADE FOR YOU - Basic & Scientific Calculator in One View - Advanced Scientific Functions - Live Currency Converter; get exchange rate prices - History; Track and save all calculations, taxes, and expenses - Copy Result, Complete Equation & Share Calculations - Equation edit function - Memory Banks - Calculate with Degrees or Radians - Available on iPad & iPhone - Rotation - Multitasking Support AD-FREE CALCULATOR Upgrade to a Premium Membership and Receive the Following Ongoing Value: • Ad-Free • Premium Customer Support Subscriptions automatically renew each month 24-hours before the end of the current period and your iTunes account will be charged unless auto-renew is turned off at least 24-hours before the end of the current period. You can turn off auto-renew any time from within the app. Any unused portion of a free trial will be forfeited if you purchase a subscription. Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy YOUR EXPERIENCE IS IMPORTANT TO US! As your experience is important to us, we’re happy with your feedback, questions, and suggestions. Please share any support as our team is always ready to help via support@impalastudios.com LOVING CALCULATOR? Please show your support by rating us! Thank you. MATHEMATICAL OPERATIONS Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input Calculator for iPad (C) 2011 Impala Studios
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.
- 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)
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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
Verdict
The clearest difference is in-app purchases: Calculator ⁺⁻ at none against Calculator for iPad₊'s 7. Calculator ⁺⁻ also leads on review sentiment (50% vs 40%). Calculator for iPad₊'s advantage is update cadence (monthly vs every 15 months) and ratings volume (126K vs 42). On price, rating, 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
Both are free to download. Calculator for iPad₊ sells 7 in-app purchases, starting at $0.99 per month. Calculator ⁺⁻ asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Calculator for iPad₊ against 4.7 for Calculator ⁺⁻. That said, the two scores are not equally well evidenced: Calculator for iPad₊ has 126K ratings behind it against 42, so its average is the more settled of the two. Written reviews are what separate them: 40% of Calculator for iPad₊'s written reviews are positive against 50% of Calculator ⁺⁻'s.
Calculator for iPad₊ ships an update monthly, Calculator ⁺⁻ every 15 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.
| Parameter | Calculator for iPad₊ | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (126K ratings) | 4.7 (42 ratings) — better |
| Positive reviews | 40.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 126K — better | 42 |
| Update frequency | Monthly — better | Every 15 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 145 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Impala Studios B.V. | Matrix Software Co. |
Customer experience
Calculator for iPad₊
Calculator ⁺⁻
Bugs and requests
Calculator for iPad₊
Reported bugs
2 issues- Calculation errors
- Ads obstructing functionality
Requested features
4 requests- Add fraction support
- Include an eraser function
- Improve accuracy of calculations
- Reduce intrusiveness of ads
Calculator ⁺⁻
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator for iPad₊
- The Full Experience - 1 Month$0.991 Month
- Weekly Premium Access3 Days trial$0.997 Days
- The Full Experience - 6 Months$3.996 Months
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- The Full Calculator Experience$3.991 Year
- Limited Time Offer$4.991 Year
- Premium Subscription Yearly3 Days trial$5.191 Year
- Annual Premium Access$9.991 Year
Calculator ⁺⁻
No in-app purchases
Questions
Is Calculator for iPad₊ free?
Is Calculator ⁺⁻ free?
Which has better reviews, Calculator for iPad₊ or Calculator ⁺⁻?
Do Calculator for iPad₊ or Calculator ⁺⁻ have ads?
Which is updated more often, Calculator for iPad₊ or Calculator ⁺⁻?
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