Comparison

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

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

About

Calculator

Features
Read full description

Designed for frequent calculations, making every input faster and smoother. Entered one wrong digit? There is no need to start over. FastCalc lets you edit an expression directly, insert, delete, or change numbers and operators at any position, and see the result update as you type. EDIT FREELY • Insert, delete, or change any part of an expression • Calculate and display results in real time as you type • Smart input checks help reduce invalid expressions and input errors FASTER INPUT • A larger, more prominent “+” key for repeated calculations • A dedicated “00” key for entering large numbers more efficiently • Start with “.” and the leading zero is added automatically, saving one tap CALCULATION HISTORY • View the current expression and calculation history on the same screen for easy comparison and reuse • Double-tap a history item to use it again • Copy a result, insert it, or replace the current expression • Premium lets you add color tags and notes to important calculations CLEAR DISPLAY • Choose three-digit or four-digit number grouping • Use a comma, space, or underscore as the separator to match different regional number formats • Long expressions remain clear and easy to review or edit CONVENIENT CONTROLS • On supported system versions, open the calculator from Control Center or the Lock Screen • Optionally clear the expression after pressing “=” so you can begin the next calculation immediately PERSONALIZE YOUR EXPERIENCE • Choose from multiple calculator themes • Some themes support both light and dark appearances • Select from several key sounds and spoken feedback options • Refined sound and haptic feedback make every tap feel more responsive PREMIUM Make one lifetime purchase to unlock history colors and notes, every theme and sound option, and other Premium features. FastCalc does more than display an answer. It is designed to make entering, editing, comparing, and reusing calculations more convenient. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://baolesoft.com/privacy/fast-calculator/

Screenshots

Calculator ⁺⁻4 screens
Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator ⁺⁻ at none against Calculator's 3. Calculator's advantage is ads (none vs shown) and update cadence (fortnightly vs every 15 months). On price, device support and iOS requirement 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 3 in-app purchases, starting at $0.99 per month. Calculator ⁺⁻ asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator ⁺⁻ ships an update every 15 months, Calculator fortnightly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator ⁺⁻ versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator ⁺⁻Calculator
PriceFreeFree
Rating4.7 (40 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings40 — better—
Update frequencyEvery 15 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size4 MB7 MB
Age rating4+4+
DeveloperMatrix Software Co.深圳宝乐软件有限公司

In-app purchases

None

Calculator ⁺⁻

No in-app purchases

3 purchases

Calculator

Subscriptions2
  • 1个月$0.991 Month
  • 1 年$1.991 Year
One-time1
  • 终身会员$2.99

Questions

Is Calculator ⁺⁻ free?
Calculator ⁺⁻ is free to download, with no in-app purchases.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Do Calculator ⁺⁻ or Calculator have ads?
Calculator ⁺⁻ shows ads; Calculator does not.
Which is updated more often, Calculator ⁺⁻ or Calculator?
Calculator ⁺⁻ ships an update every 15 months, and Calculator fortnightly. Most recently, Calculator ⁺⁻ was updated on October 8, 2026 and Calculator on October 13, 2026.

Other comparisons