EZ Adder vs Calculator
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
This app combines basic, scientific, currency, and unit conversion tools into a single, powerful calculator. It offers features like history records, number speech, and seamless result inheritance across different calculator types for an efficient workflow.
- Basic and scientific calculations
- Currency converter with 150+ currencies
- Units converter for various measurements
- History records with save, copy, and paste
- Number speech for input accuracy
- Seamless result inheritance across calculators
- Offline usage and customizable themes
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Calculator is a fast, easy-to-use calculator for everyday math, scientific calculations, currency conversion, and unit conversion — all in one app. Whether you need a quick basic calculation, advanced scientific functions, live exchange rates, or common unit conversions, Calculator keeps the tools you use most in one clean, familiar interface. BASIC CALCULATOR • Addition, subtraction, multiplication, division, and percentages • Clear expressions with real-time results • Copy and paste results • Custom decimal places and number notation • Calculation history for quick reference SCIENTIFIC CALCULATOR • Powers, square roots, logarithms, factorials, and more • Trigonometric functions including sin, cos, and tan • Degree and radian modes • Complex expressions with easy-to-read results CURRENCY CONVERTER • Convert 150+ currencies • Exchange rates update automatically when connected to the internet • Reuse values from the basic or scientific calculator without re-entering them UNIT CONVERTER Quickly convert common units for: • Length • Mass • Area • Volume • Speed • Temperature • Energy • Pressure • And more CALCULATION HISTORY Keep track of previous calculations, then save, copy, or reuse results whenever you need them. DESIGNED FOR IPHONE & IPAD • Fast startup and responsive calculations • Works offline for core calculator functions • Multiple themes, including dark themes • iPad Split View and multiple orientations • Result inheritance between calculator modes • Optional number speech and button sounds Calculator is built for school, work, shopping, travel, finance, and everyday math — from a quick percentage calculation to advanced scientific functions. PREMIUM Premium membership removes ads and unlocks additional themes and premium features. Subscriptions automatically renew unless canceled through your Apple Account settings before the renewal date. Terms of Use: https://berrymay0418.github.io/supercalculator_terms.html Privacy Policy: https://berrymay0418.github.io/supercalculator.html Questions or feedback: colorcalculator@outlook.com
Screenshots
Verdict
The clearest difference is in-app purchases: EZ Adder at none against Calculator's 4. EZ Adder also leads on ads (none vs shown) and rating (4.8 vs 4.6). On price, review sentiment, ratings volume 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 sells 4 in-app purchases, starting at $2.49 per month. EZ Adder asks for nothing beyond the download.
EZ Adder holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 152 and 200 respectively. Written reviews point the same way: 86% of EZ Adder's written reviews are positive against 80% of Calculator's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.
| Parameter | EZ Adder | Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (152 ratings) — better | 4.6 (200 ratings) |
| Positive reviews | 86.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 152 | 200 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Wohnoutka | Wuhan Ananta Technology Co., Ltd. |
Customer experience
EZ Adder
Calculator
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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
EZ Adder
No in-app purchases
Calculator
- Premium Membership - 1 Month3 Days trial$2.491 Month
- Premium Monthly Pro3 Days trial$2.491 Month
- Premium Membership - 1 Week$2.497 Days
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- Premium Membership - 1 Year3 Days trial$26.991 Year









