Comparison

EZ Adder vs Calculator Plus #1

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

Head to head
About

EZ Adder

This app provides a basic calculator with an electronic paper tape to track and correct entries. It offers six independent calculators with custom colors, a large keyboard, and a decimal slider. It also features an enhanced percentage key for discounts, tips, and sales tax calculations, with the ability to email results.

Highlights
  • Electronic paper tape for all entries
  • Correct or delete entries easily
  • Six independent calculators
  • Enhanced percentage key for discounts, tips, and tax
  • Email results as formatted reports
  • Customizable colors and keyboard
Features
Read full description

EZ Adder is a unique easy to use basic calculator (+ - x / %). It maintains an “electronic paper tape” of all your entries which allows you to view and easily correct any entry. Actually, it is six calculators. Each with their own custom color. It’s great for performing any basic calculations. Ever try to add a long list of numbers and every time get a different answer? Then, you need EZ Adder because it lets you scroll through all of your entries and easily correct any mistakes. EZ Adder has a large custom keyboard for a quick and easy touch and a decimal slider to choose 0-4 digits after the decimal point. You can email the results of any tape as a formatted report to yourself or anyone else. It also has an enhanced % key for calculating percentage discount, tips, and sales tax: - To compute the price of an item with a 25% discount, enter the price then enter -25%. - For an additional 10% discount, enter -10%. - To calculate the meal amount plus an 18% tip, enter the meal amount then enter +18%. - To calculate the total including 8.25% sales tax, enter the total then enter +8.25%. FEATURE SUMMARY • Electronic paper tape showing all entries • Correct any entry at any time • Delete items from the tape • Six (6) independent electronic paper tapes • Custom numeric keyboard for an easy touch • Email results to yourself or anyone else • Decimal point slider to choose 0-4 places • Plus % is great for tax & tips • Minus % is great for discounts • Custom colors for each calculator • Mute and volume control

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.

Screenshots

EZ Adder4 screens
Calculator Plus #14 screens

Verdict

The call

The clearest difference is in-app purchases: EZ Adder at none against Calculator Plus #1's 7. EZ Adder also leads on ads (none vs shown) and iOS requirement (10.3 vs 15). Calculator Plus #1's advantage is ratings volume (5.1K vs 152). On price, rating, review sentiment and update cadence 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. EZ Adder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for EZ Adder against 4.8 for Calculator Plus #1. That said, the two scores are not equally well evidenced: Calculator Plus #1 has 5.1K ratings behind it against 152, so its average is the more settled of the two. Written reviews are what separate them: 86% of EZ Adder's written reviews are positive against 89% of Calculator Plus #1's.

UpkeepUpdate frequency

EZ Adder ships an update every 2 months, Calculator Plus #1 every 5 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
EZ Adder versus Calculator Plus #1: the parameters behind the verdict, then further details
ParameterEZ AdderCalculator Plus #1
PriceFreeFree
Rating4.8 (152 ratings)4.8 (5.1K ratings) — better
Positive reviews86.0% of reviews88.5% of reviews — better
Number of ratings1525.1K — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.3 — better15
Further details — not scored
Size2 MB157 MB
Age rating4+4+
DeveloperRobert WohnoutkaDigitAlchemy LLC

Customer experience

EZ Adder

All ratings152 ratings
Positive96.1%
Neutral3.3%
Negative0.7%
Written reviews43 reviews
Positive86.0%
Neutral9.3%
Negative4.7%

Calculator Plus #1

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

User reviews

EZ Adder

From 152 App Store ratings

What we love

  • 👍 Easy to use
  • 💡 Exports tape, no line limit
  • 👍 Large numbers for easy input
  • 💡 Keeps calculation history for review/editing
  • 💡 Multiple calculators available

Room to improve

  • ❓ Graphics need improvement
  • ❓ Design remodel needed
  • ❓ Some users prefer previous versions
  • 🐛 Crashes on older devices (iPad1 with OS 5.1.1)

Calculator Plus #1

From 5.1K App Store ratings

What we love

  • 🚀 Great calculator
  • 👍 Easy to use
  • 👍 Looks very nice
  • 👍 Reliable and dependable
  • 👍 Useful features like memory

Room to improve

  • 🐛 Ads disrupt calculations
  • 🐛 Too many ads
  • 🐛 Ads pop up in the middle of calculations

Bugs and requests

EZ Adder

Reported bugs

1 issue
  • Crashes on iPad1 with OS 5.1.1

Requested features

5 requests
  • Add text to line items
  • More eye-friendly colors
  • Adjust options for number ranges (e.g., 1 to 3)
  • Instructions for details
  • Label expenditures and income with running totals

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

In-app purchases

None

EZ Adder

No 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

Questions

Is EZ Adder free?
EZ Adder is free to download, with no in-app purchases.
Is Calculator Plus #1 free?
Calculator Plus #1 is free to download, with in-app purchases available.
Which has better reviews, EZ Adder or Calculator Plus #1?
Calculator Plus #1 is rated higher. EZ Adder averages 4.8 out of 5 from 152 ratings, while Calculator Plus #1 averages 4.8 from 5.1K ratings.
Do EZ Adder or Calculator Plus #1 have ads?
Calculator Plus #1 shows ads; EZ Adder does not.
Which is updated more often, EZ Adder or Calculator Plus #1?
EZ Adder ships an update every 2 months, and Calculator Plus #1 every 5 weeks. Most recently, EZ Adder was updated on October 14, 2026 and Calculator Plus #1 on October 15, 2026.

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