Comparison

EZ Adder vs Calculator·

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·

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Highlights
  • Basic arithmetic operations
  • Percentage calculations
  • Multiple color schemes
  • Copy results
  • Square, square root, inverse functions
  • iPad Split View support
  • Apple Watch support
Features
Read full description

A truly no-frills calculator with the perfect blend of features and simplicity. Tired of getting lost in features you don’t use, but wish you had just a few more? Try Calculator· today! Features: • The essentials—add, subtract, multiply, divide, percent • Multiple color schemes • Copy your result (double tap result to copy) • Square, square root, and inverse functions on iPad landscape • Split View for iPad so you can run two apps at once • Apple Watch Support This app contains auto-renewable subscriptions: • Premium Access • 1 month and 1 year durations available​ Limit one free trial per user. Charged through your iTunes account at confirmation of purchase. Your account will be charged within 24-hours prior to the end of the current period. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. You can manage your subscriptions and turn off auto-renewal from your Account Settings in iTunes after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that product, where applicable. • Privacy policy: https://www.iubenda.com/privacy-policy/905866 • Terms of use: http://www.timosstudios.com/terms-of-use You can follow the instructions on our website to change or cancel your subscription: http://www.timosstudios.com/how-to-cancel-subscription-on-ios

Screenshots

EZ Adder4 screens
Calculator·4 screens

Verdict

The call

The clearest difference is in-app purchases: EZ Adder at none against Calculator·'s 3. EZ Adder also leads on ads (none vs shown) and iOS requirement (10.3 vs 15.0). Calculator·'s advantage is ratings volume (34K 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· sells 3 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 4.9 for Calculator·. That said, the two scores are not equally well evidenced: Calculator· has 34K 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 84% of Calculator·'s.

UpkeepUpdate frequency

EZ Adder ships an update every 2 months, Calculator· every 3 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
EZ Adder versus Calculator·: the parameters behind the verdict, then further details
ParameterEZ AdderCalculator·
PriceFreeFree
Rating4.8 (152 ratings)4.9 (34K ratings) — better
Positive reviews86.0% of reviews — better84.3% of reviews
Number of ratings15234K — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS10.3 — better15.0
Further details — not scored
Size2 MB47 MB
Age rating4+4+
DeveloperRobert WohnoutkaTim O's Studios, LLC

Customer experience

EZ Adder

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

Calculator·

All ratings34,400 ratings
Positive97.2%
Neutral1.8%
Negative0.9%
Written reviews887 reviews
Positive84.3%
Neutral5.6%
Negative10.0%

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·

From 34K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Quick and responsive
  • 💡 Percentage function works well
  • 👍 Large, clear buttons
  • 👍 Straightforward, no-frills design

Room to improve

  • 🔋 Frequent ads can be distracting
  • 🐛 Occasional crashes or freezes
  • 🔒 Lack of customization options
  • 💡 No backspace/undo function
  • 💡 Missing advanced features like memory

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·

Reported bugs

3 issues
  • Crashes when performing long calculations
  • Freezes when opening the app
  • Incorrect results for some complex calculations

Requested features

4 requests
  • Add a backspace/undo button
  • Implement a history/memory feature
  • Provide more customization options
  • Reduce frequency of ads

In-app purchases

None

EZ Adder

No in-app purchases

3 purchases

Calculator·

Subscriptions2
  • Upgrade App3 Days trial$0.991 Month
  • Upgrade App$4.991 Year
One-time1
  • Upgrade App$1.99

Questions

Is EZ Adder free?
EZ Adder is free to download, with no in-app purchases.
Is Calculator· free?
Calculator· is free to download, with in-app purchases available.
Which has better reviews, EZ Adder or Calculator·?
Calculator· is rated higher. EZ Adder averages 4.8 out of 5 from 152 ratings, while Calculator· averages 4.9 from 34K ratings.
Do EZ Adder or Calculator· have ads?
Calculator· shows ads; EZ Adder does not.
Which is updated more often, EZ Adder or Calculator·?
EZ Adder ships an update every 2 months, and Calculator· every 3 months. Most recently, EZ Adder was updated on October 4, 2026 and Calculator· on October 14, 2026.

Other comparisons