Comparison

Adding Tape II adding machine with virtual tape vs Calculator Smart

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

Head to head
About

Adding Tape II adding machine with virtual tape

This app functions as a virtual adding machine, providing a digital tape to record and verify calculations. It allows for easy addition and subtraction of numbers with decimal places, with features like unlimited undo and a scrollable tape for checking work. Optional pro features expand functionality to include multiplication, division, and advanced tape management.

Highlights
  • Virtual tape for recording calculations
  • Unlimited undo functionality
  • Scrollable tape for easy review
  • Edit mode to delete individual entries
  • Remembers tape between sessions
  • Copy numbers from tape
Features
Read full description

Tired of adding numbers twice just to be sure you are correct? Problem solved. Adding Tape is an adding machine with a virtual "tape." Note: Adding Tape is modeled after an adding machine, not a calculator. The behavior of each is different. Add and subtract numbers up to five decimal places, keeps a running total and a virtual "tape." - Undo an unlimited number of times - Virtual tape visible & scrollable while adding or switch to edit screen to view full screen - selecting rows in edit mode adds virtual checkmarks to aid in checking your work - Edit mode allows you to delete individual rows - Remembers tape between launches - Touch a number in the tape to copy Optional pro features: - Add, subtract, multiply and divide - Key sound or mute option - No advertisements: 53% larger tape display area - Six different button sounds to select - Optional decimal behavior: stays in fixed location as you enter numbers or traditional hit decimal key - Alternate large Zero key or small '0' and '00' keys - Printing support - Email tape (option to format as plain text or HTML) - Save multiple tapes - Option: add line numbers to tape - Option: set number of Clear Entry touches before tape is cleared

About

Calculator Smart

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

Highlights
  • 30+ scientific operations
  • Degrees and Radians support
  • Parentheses and nested equations
  • Intuitive input with slide-to-delete
  • Copy & Paste results
  • Apple Watch app and Lock Screen Widget
  • Colorful skins and custom icons
Features
Read full description

Calculator Smart is the most powerful and precise calculator for iPhone, iPad, and Apple Watch — built for everyday math and advanced scientific computations alike. Whether you need a quick percentage or a complex nested equation with parentheses, Calculator Smart handles it all with a clean, modern interface and lightning-fast big buttons. Scientific & Standard Modes • 30+ scientific operations including trigonometry, logarithms, and more • Degrees and Radians support • Parentheses and nested parentheses for complex equations • Output in Decimal or Scientific Notation (mantissa/exponent) Intuitive Input • Slide to delete wrong digits instantly • Double-tap or long-press to Copy & Paste results • Full External Keyboard support (Bluetooth & Smart Keyboard) • Three-digit grouping with locale-specific decimal and thousands separators Cross-Platform & Widgets • Apple Watch app with Complication shortcuts • Lock Screen Widget — calculate without unlocking your device • Messages Extension — share results directly in conversations • Multitasking: Slide Over and Split View (iPad) Personalization • Colorful skins to match your style • Custom App Icons that match your chosen skin • Button sound feedback for a satisfying tactile feel Universal Purchase — buy once, use on all your Apple devices. Download Calculator Smart for FREE today!

Screenshots

Adding Tape II adding machine with virtual tape4 screens
Calculator Smart4 screens

Verdict

The call

The clearest difference is rating: Calculator Smart at 4.7 against Adding Tape II adding machine with virtual tape's 2.4. Calculator Smart also leads on ratings volume (494 vs 39) and device support (6 vs 2). Adding Tape II adding machine with virtual tape's advantage is ads (none vs shown) and review sentiment (56% vs 36%). On price, update cadence, in-app purchases and monetization model 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. Adding Tape II adding machine with virtual tape sells 1 one-off in-app purchase and Calculator Smart sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator Smart holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Calculator Smart has 494 ratings behind it against 39, so its average is the more settled of the two. Written reviews complicate that: 56% of Adding Tape II adding machine with virtual tape's written reviews are positive against 36% of Calculator Smart's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Adding Tape II adding machine with virtual tape ships an update every 6 months, Calculator Smart every 4 months. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.

Scorecard6 real differences · 4 level
Adding Tape II adding machine with virtual tape versus Calculator Smart: the parameters behind the verdict, then further details
ParameterAdding Tape II adding machine with virtual tapeCalculator Smart
PriceFreeFree
Rating2.4 (39 ratings)4.7 (494 ratings) — better
Positive reviews55.8% of reviews — better36.4% of reviews
Number of ratings39494 — better
Update frequencyEvery 6 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac, Apple TV, Apple Watch — better
Requires iOS8.1 — better13.0
Further details — not scored
Size33 MB24 MB
Age rating4+4+
DeveloperJoe FratianniMiroslav Otsedarski

Customer experience

Adding Tape II adding machine with virtual tape

All ratings39 ratings
Positive33.3%
Neutral5.1%
Negative61.5%
Written reviews77 reviews
Positive55.8%
Neutral3.9%
Negative40.3%

Calculator Smart

All ratings494 ratings
Positive93.1%
Neutral1.2%
Negative5.7%
Written reviews22 reviews
Positive36.4%
Neutral27.3%
Negative36.4%

In-app purchases

1 purchases

Adding Tape II adding machine with virtual tape

One-time1
  • Pro Upgrade$1.99
3 purchases

Calculator Smart

One-time3
  • Colorful Skins and Remove Ads$1.99
  • Colorful Skins$1.99
  • Colorful Skins for Mac app$1.99

Questions

Is Adding Tape II adding machine with virtual tape free?
Adding Tape II adding machine with virtual tape is free to download, with in-app purchases available.
Is Calculator Smart free?
Calculator Smart is free to download, with in-app purchases available.
Which has better reviews, Adding Tape II adding machine with virtual tape or Calculator Smart?
Calculator Smart is rated higher. Adding Tape II adding machine with virtual tape averages 2.4 out of 5 from 39 ratings, while Calculator Smart averages 4.7 from 494 ratings.
Do Adding Tape II adding machine with virtual tape or Calculator Smart have ads?
Calculator Smart shows ads; Adding Tape II adding machine with virtual tape does not.
Which is updated more often, Adding Tape II adding machine with virtual tape or Calculator Smart?
Adding Tape II adding machine with virtual tape ships an update every 6 months, and Calculator Smart every 4 months. Most recently, Adding Tape II adding machine with virtual tape was updated on September 30, 2026 and Calculator Smart on September 25, 2026.

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