Comparison

Calculator Plus #1 vs Basic Calculator Biz

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

Head to head
About

Calculator Plus #1

A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.

Highlights
  • Basic arithmetic operations
  • Calculation history
  • Memory function
  • Percentage calculations
  • Large buttons and display
  • Customizable themes
  • Multi-window mode
Features
Read full description

All-in-one basic calculator app for iPhone and iPad. Calculator Plus combines a basic calculator and a scientific one, percentage and tax calculator, financial and date calculator, currency and unit converter in one easy-to-use app. Stop switching between multiple calculator apps. Calculate faster, stay organized, and get accurate results with Calculator Plus. * Looking for a basic calculator with history and memory? * Calculator Plus automatically saves calculations so you can review results, continue calculations later, compare numbers, track expenses, and avoid repeating work. * Need a scientific calculator for school, engineering, or advanced math?* Use logarithms, trigonometric functions, exponents, algebra, scientific formulas, parentheses, and multi-step equations in one powerful calculator. * Need a percentage calculator while shopping? * Whether you’re asking “How much is 20% off?” or “What tip should I leave?”, Calculator Plus delivers accurate answers. Quickly calculate discounts, sales tax, tips, markups, profit margins, percentage increases, and percentage decreases. * Looking for a budgeting and finance calculator? * Track expenses, calculate bills, compare prices, plan budgets, and organize calculations with notes and history. * Need a currency converter and calculator in one app? * Convert currencies and measurement units while performing calculations - ideal for travel, shopping, business, and everyday use. * “How many days until my trip?” * Need a date calculator? Count days, calculate age, track deadlines, plan vacations, and manage important events. * Calculator Widget * Add the widget to your home screen for instant access. * Notes and Saved Calculations * Attach notes to saved calculations to organize expenses, transactions, tax records, budget plans, and currency conversions. * Perfect for: * — Everyday calculations — Scientific calculations and algebra for students — Shopping discounts and percentages — Budgeting, bills, and expenses — Tax and financial calculations — Currency and unit conversion — School homework and study — Multi-step equations with history — Date, age, and days calculations * Why Do Users Choose Calculator Plus? * Many calculator apps focus on only one task. Calculator Plus combines a scientific calculator, financial calculator, percentage calculator, tax calculator, currency converter, unit converter, date calculator, notes, history, widget, and multi-window support in one app. * Who Is Calculator Plus Designed For? * — Students and schoolchildren — Engineers and technical professionals — Business owners and freelancers — Finance professionals — Travellers and shoppers — Families managing household budgets Whether you need a calculator for budgeting, taxes, shopping, school, business, travel, engineering, or everyday math, Calculator Plus gives you all the tools you need in one app.

About

Basic Calculator Biz

A straightforward and user-friendly calculator app designed for focused calculations. It displays the entire calculation process, reducing errors and offering standard functions comparable to physical calculators.

Highlights
  • Simple and clean design
  • Displays calculation formula
  • Reduces calculation errors
  • Covers basic functions
  • Easy to use
Features
Read full description

Basic calculator is a simple and easy-to-use, standard calculator application. 【Simple design】 You can focus on calculations. [Display of calculation formula] Since the calculation process can be confirmed, errors are less than calculators that can not see the calculation process. [Coverage of basic functions] Equipped with functions equal to or better than commercially available calculators.

Screenshots

Calculator Plus #14 screens
Basic Calculator Biz3 screens

Verdict

The call

The clearest difference is in-app purchases: Basic Calculator Biz at none against Calculator Plus #1's 7. Basic Calculator Biz also leads on iOS requirement (10.0 vs 15). Calculator Plus #1's advantage is update cadence (every 5 weeks vs every 8 months) and ratings volume (5.1K vs 5). On price, rating, review sentiment and ads 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 Plus #1 sells 7 in-app purchases, starting at $0.99 per month. Basic Calculator Biz asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Basic Calculator Biz holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calculator Plus #1 has 5.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 89% of Calculator Plus #1's written reviews are positive against 82% of Basic Calculator Biz's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Calculator Plus #1 ships an update every 5 weeks, Basic Calculator Biz every 8 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator Plus #1 versus Basic Calculator Biz: the parameters behind the verdict, then further details
ParameterCalculator Plus #1Basic Calculator Biz
PriceFreeFree
Rating4.8 (5.1K ratings)5.0 (5 ratings) — better
Positive reviews88.5% of reviews — better82.0% of reviews
Number of ratings5.1K — better5
Update frequencyEvery 5 weeks — betterEvery 8 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS1510.0 — better
Further details — not scored
Size157 MB25 MB
Age rating4+4+
DeveloperDigitAlchemy LLCImple, Inc.

Customer experience

Calculator Plus #1

All ratings5,067 ratings
Positive97.2%
Neutral1.5%
Negative1.3%
Written reviews1,301 reviews
Positive88.5%
Neutral3.0%
Negative8.5%

Basic Calculator Biz

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews50 reviews
Positive82.0%
Neutral6.0%
Negative12.0%

Bugs and requests

Calculator Plus #1

Reported bugs

2 issues
  • App crashes or doesn't open
  • Ads still show up even after paying to remove them

Requested features

3 requests
  • Add brackets/parentheses for arithmetic operations
  • Improve arithmetic operator priority
  • Add more algebraic and trigonometric functions

Basic Calculator Biz

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Calculator Plus #1

Subscriptions4
  • Calculator with History7 Days trial$0.991 Month
  • Calculator with History7 Days trial$1.491 Month
  • Simple Calculator - No Ads7 Days trial$6.291 Year
Show 1 more
  • Simple Calculator - No Ads7 Days trial$8.991 Year
One-time3
  • Remove ads$3.99
  • Multiple Basic Calculations$8.99
  • Multiple Basic Calculations$12.99
None

Basic Calculator Biz

No in-app purchases

Questions

Is Calculator Plus #1 free?
Calculator Plus #1 is free to download, with in-app purchases available.
Is Basic Calculator Biz free?
Basic Calculator Biz is free to download, with no in-app purchases.
Which has better reviews, Calculator Plus #1 or Basic Calculator Biz?
Basic Calculator Biz is rated higher. Calculator Plus #1 averages 4.8 out of 5 from 5.1K ratings, while Basic Calculator Biz averages 5.0 from 5 ratings.
Do Calculator Plus #1 or Basic Calculator Biz have ads?
Both Calculator Plus #1 and Basic Calculator Biz show ads.
Which is updated more often, Calculator Plus #1 or Basic Calculator Biz?
Calculator Plus #1 ships an update every 5 weeks, and Basic Calculator Biz every 8 months. Most recently, Calculator Plus #1 was updated on October 18, 2026 and Basic Calculator Biz on October 17, 2026.

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