Comparison

Calcbot 2 vs Adding Tape II adding machine with virtual tape

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

Head to head
About

Calcbot 2

This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.

Highlights
  • History tape for saved calculations
  • Expression view for typed input
  • Over 500 unit conversions
  • Apple Watch extension
  • Scientific functions in landscape
  • Favorites for instant access
Features
Read full description

Calcbot is an intelligent calculator and unit converter for the rest of us. Featuring an easy-to-read history tape, expression view, intuitive conversion, and much more! History Tape*. Every calculation you enter gets saved to the history tape. Refer to calculations later or send them right back to your current calculation. Expression View. Calcbot's original expression view allows you to see everything you have typed so you'll never forget what you entered or miss a typo. Apple Watch Extension. Perform basic calculations, conversions, calculate tips, and split bills right from your Apple Watch. Conversion*. Convert any of your calculations with over 500 units across 22 different categories including auto-updating currency rates. Favorites. Fave a calculation and get instant access to its result via the Favorites Key. No more cryptic memory keys. Scientific Functions. Rotate your device into landscape mode to gain access to common scientific functions. Constants. Get instant access to scientific constants like Pi, Atomic Mass, or add your own*. Round for Currency. Have all of your results rounded to two decimal places. Sounds & Animations. Beautiful custom animations and sound effects provide positive feedback and an enjoyable experience while performing calculations. * In-App purchase required.

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

Screenshots

Calcbot 24 screens
Adding Tape II adding machine with virtual tape4 screens

Verdict

The call

The clearest difference is rating: Calcbot 2 at 4.7 against Adding Tape II adding machine with virtual tape's 2.4. Calcbot 2 also leads on ratings volume (11K vs 39) and update cadence (every 2 months vs every 6 months). Adding Tape II adding machine with virtual tape's advantage is iOS requirement (8.1 vs 15.0). On price, review sentiment, ads and in-app purchases 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. Calcbot 2 sells 1 one-off in-app purchase and Adding Tape II adding machine with virtual tape sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calcbot 2 holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Calcbot 2 has 11K ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 60% of Calcbot 2's written reviews are positive against 56% of Adding Tape II adding machine with virtual tape's.

UpkeepUpdate frequency

Calcbot 2 ships an update every 2 months, Adding Tape II adding machine with virtual tape every 6 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
Calcbot 2 versus Adding Tape II adding machine with virtual tape: the parameters behind the verdict, then further details
ParameterCalcbot 2Adding Tape II adding machine with virtual tape
PriceFreeFree
Rating4.7 (11K ratings) — better2.4 (39 ratings)
Positive reviews60.1% of reviews — better55.8% of reviews
Number of ratings11K — better39
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.08.1 — better
Further details — not scored
Size16 MB33 MB
Age rating4+4+
DeveloperTapbotsJoe Fratianni

Customer experience

Calcbot 2

All ratings11,110 ratings
Positive92.8%
Neutral2.6%
Negative4.6%
Written reviews656 reviews
Positive60.1%
Neutral9.1%
Negative30.8%

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%

Bugs and requests

Calcbot 2

Reported bugs

4 issues
  • History tape not recording all calculations
  • Conversion settings not syncing to Apple Watch
  • App crashing on launch for some users
  • Blank app icons after iOS updates

Requested features

5 requests
  • Dark mode option
  • Widgets for quick access
  • More currency and unit conversions
  • Improved Apple Watch integration
  • Ability to edit calculations in history tape

Adding Tape II adding machine with virtual tape

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Calcbot 2

One-time1
  • Calcbot Pro$1.99
1 purchases

Adding Tape II adding machine with virtual tape

One-time1
  • Pro Upgrade$1.99

Questions

Is Calcbot 2 free?
Calcbot 2 is free to download, with in-app purchases available.
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.
Which has better reviews, Calcbot 2 or Adding Tape II adding machine with virtual tape?
Calcbot 2 is rated higher. Calcbot 2 averages 4.7 out of 5 from 11K ratings, while Adding Tape II adding machine with virtual tape averages 2.4 from 39 ratings.
Do Calcbot 2 or Adding Tape II adding machine with virtual tape have ads?
Neither Calcbot 2 nor Adding Tape II adding machine with virtual tape shows ads.
Which is updated more often, Calcbot 2 or Adding Tape II adding machine with virtual tape?
Calcbot 2 ships an update every 2 months, and Adding Tape II adding machine with virtual tape every 6 months. Most recently, Calcbot 2 was updated on October 23, 2026 and Adding Tape II adding machine with virtual tape on October 21, 2026.

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