EZ Adder vs Calculator Plus #1
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Basic arithmetic operations
- Calculation history
- Memory function
- Percentage calculations
- Large buttons and display
- Customizable themes
- Multi-window mode
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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
Verdict
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
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.
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.
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.
| Parameter | EZ Adder | Calculator Plus #1 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (152 ratings) | 4.8 (5.1K ratings) — better |
| Positive reviews | 86.0% of reviews | 88.5% of reviews — better |
| Number of ratings | 152 | 5.1K — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 15 |
| Further details — not scored | ||
| Size | 2 MB | 157 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Wohnoutka | DigitAlchemy LLC |
Customer experience
EZ Adder
Calculator Plus #1
User reviews
EZ Adder
From 152 App Store ratingsWhat 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 ratingsWhat 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
EZ Adder
No in-app purchases
Calculator Plus #1
- 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
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- Simple Calculator - No Ads7 Days trial$8.991 Year
- Remove ads$3.99
- Multiple Basic Calculations$8.99
- Multiple Basic Calculations$12.99
Questions
Is EZ Adder free?
Is Calculator Plus #1 free?
Which has better reviews, EZ Adder or Calculator Plus #1?
Do EZ Adder or Calculator Plus #1 have ads?
Which is updated more often, EZ Adder or Calculator Plus #1?
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