Comparison

Rolled Paper Calculator PRO vs Adding Machine 10Key Univ Lite

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

Head to head
About

Rolled Paper Calculator PRO

This calculator app offers a unique paper tape experience, allowing users to scroll through entries and email results. It's designed for various financial calculations, from shopping carts to business statements.

Highlights
  • Digital paper tape display
  • Scrollable calculation history
  • Email calculation results
  • Currency mode with custom settings
  • Flat design interface
  • Long paper option (paid)
Features
Read full description

Rolled Paper Calculator won the awards every year. 2010 the BEST iPhone App by AppBank 2011 Attract attention App at iPhone Magazine 2012 C|NET JAPAN pick it up for good Business APP Now It has Flat design. THIS CALCULATOR make the REVOLUTIONARY EXPERIENCE to REPLACE traditional "M+" to "THE NEW PAPER". We want to reinvent the calculator. Rolled Paper Calculator is NEXT GENERATION CALCULATOR In this version, the price change to FREE, and we prepare the LONG PAPER option for 4inch users(Paid). More information, see the SCREENSHOT. ------------------------------------------------ See also a sister product, Rolled Paper Calculator Flat ------------------------------------------------ User's voice for PRO version - Jan 19, 2011 by sfwrtr Nice little calculator that fits the bill - I needed a calculator with a paper tape, and of those I tried this was the best. It is simple and straightforward. It allows me to scroll the tape and to touch earlier entries to enter those into the current calculator. I can even send the resulting tape to an email address. Very nice. Just what I needed! - by Ola*buns - Version 4.7 I really needed this app as I am a bookkeeper and always needing to calculate numbers. Love the fact that I can email the tape to myself. Is it able to tear/cut the tape and start a new tape? => YES, Please push C/AC button over 0.5sec. THIS CALCULATOR is E-MAIL ENABLED as COMMUNICATION CALCULATOR. THIS CALCULATE is useful on this situation: - calculation for the account for many goods on your shopping cart - calculate home finance - calculate small business financial statements - send a result of calculation to your PC or friend, family, company TRY NEW GENERATION CALCULATOR EXPERIENCE. ... by Jezebel Sound - Great app, I love it. ... by GEORGE MIHAIL Very nice, but something is missing. - Very nice application. But what about being able to set yourself, the number of decimal points, that you do need ? => Thank you your very nice comment. I can recognize the needs for decimal point switch on real calculator. I add this function. ....by Jesper Christiansen Now working again, thanks - Miss some instructions in what A CUT 4/5 0 2 etc. means and are meant to be used. => Thank you for bug fix report. And I add description to use currency mode, A CUT 4/5 0 2. Regard. ----- the currency function usage ------ A .... for 1/100 currency, auto 1/100 input and mode "2" 0 .... CUT, 4/5, HIDE under decimal point. 2 .... CUT, 4/5, HIDE under 2nd decimal. F .... Fee decimal, not currency mode. CUT ... cut the number under 0 or 2nd decimal 4/5 .... on below 4, cut the number, on upper 5 up. HIDE .. only hide under 0 or 2nd, but calc mode is "F" ------------------------- ------------------------ Usage1: THE PAPER displays input data and the result , like on the a paper. When you slide down the paper, if you can see the input data and results even if it goes out of screen. Usage2: When you select any data on the paper , it make the data to input data. Usage3: When you push arrow key, you can jump up on the paper, and when you up to top, next you goes down on the paper. Usage4: When you push arrow key at long time, you can move on paper to top or bottom of the paper. Usage5: When you push E-mial button , you can send the immediate data, and when you push button long time, you can send all of data on the paper. Usage6: you can set the data of address , subject , volume of sound and VAT rate (Default 5%). Usage7: you can remove the row, by right swiping and push delete button. Usage8: To go to setup view, please push orange button one seconds. if you want to end usage view , please swipe to left side.

About

Adding Machine 10Key Univ Lite

This app emulates a traditional 10-key adding machine for precise calculations. It offers features like reversed operator entry, percentage calculation, and the ability to edit and save paper tape files. The iPad version includes a full-size keypad with audio feedback for enhanced accuracy.

Highlights
  • 10-key adding machine emulation
  • Reversed operator entry
  • Percentage calculation
  • Paper tape editing and saving
  • Export paper tape files
  • TypeTone audio feedback (iPad)
Read full description

'Adding Machine 10Key Univ Lite' behaves like a true '10 Key' or 'adding machine' like those made by Monroe, Casio, Sharp and others. Press asterisk (*) for a total, operator entry is reversed, and calculate percentages by multiplying and adding to a stream of numbers. SEE THE 1ST FAQ BELOW. This universal version works with both iPhone and iPad. The iPad version features a full sized (1:1) keypad with TypeTone, a unique audio aid to help guide your finger back to the center of a key. The total (*) key (iPad or iPhone) can be on either the left or right side (Sharp or Canon style). Also. Review & edit numbers, add or delete lines. Save & retrieve paper tape files. Export paper tape files to iBooks©, Dropbox©, or your favorite printing utility (see the FAQs). 'Lite' Version Description ================== This is the full version of Adding Machine 10Key Univ, but with a reduced number of paper tape lines & other limitations. You can find the full version by searching for 'Adding Machine 10Key Universal' by Richard Silverman in the App Store. ==== Recent Press ===== Has been featured in iTunes "What's Hot" in the Finance Category. Strategic Finance (Tools of the Trade): "If you're looking for a professional desk calculator that can give you full 10-key accounting functions with a tape you can name and save, edit, e-mail, or print, check out Interlocken's 10 Key for iPad." ================= Specifications: ================= . Behaves the same as a '10 Key' adding machine. . Export a PDF file to iBooks©, DropBox©, Email, or your favorite printing utility. . TypeTone - a major innovation to aid accurate key entry using audio feedback (iPad version). . Full size (1:1) keyboard (iPad version). . Select from a menu of keypad sounds. . 400 lines of paper tape history (full version). . 3 display formats: fixed, fix+, float . Save paper tapes to disk for later use. . Correct numbers, add comments, add/delete lines . Two keypads offer the 'total' key on the left or right (Sharp or Canon style) . Comprehensive set of help screens. . 3 Orientations: Landscape Left/Right + Portrait (iPad version) ================ FAQ's Q1. What is the difference between 'Adding Machine 10Key Univ', and 'Accountant Calc' in the App. Store.? A1. Both calculators are single-column adding machines or calculators with full-size (1:1) keypads and are optimized for the iPad User Interface. '10 Key' behaves the same as a 10 Key Adding Machine with reversed operator entry while ‘Accountant Calc’ supports free chaining of +, -, x, /, %, √, 1/x. It is easier to use if you are not familiar with how a '10-key' works. Q2. Can I touch-type? A2. The iPad version comes as close to touch-typing as a touch-screen can be. With ‘TypeTone’, a key will guide your finger back to the center of a key with an audio tone. Q3. How can I edit an incorrect number or add & delete lines from the paper tape? A3. Touch any line of the paper tape for edit mode. Touch the side controls: Add Line, Delete Line. You can also edit numbers, split Add/Sub or Mul/Div groups. Press Done to return to Calculator mode. Q4. Tell me about Email, Printing, and Exporting a Paper Tape. A4. Email includes a pdf attachment. Print requires an AirPrint capable printer. Open-In will cause a menu of 3rd party Apps to appear. Once exported, print directly to a network reachable printer (even if it is NOT AirPrint capable). ============================ INCLUDED IN THIS LITE VERSION: . 16 lines of paper tape history . Limited to 2 keypad sounds . Only save 2 paper histories to disk . Ads for Interlocken products at bottom of display UPGRADE TO THE FULL VERSION IN THE APP STORE TERMS AND CONDITIONS Your use of this application is governed by Interlocken Technology's Terms of Use (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/Interlocken%20Technology%20Privacy%20Policy.pdf) and Privacy Policy (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/InterlockenTechnologyTermsOfUse.pdf)

Screenshots

Rolled Paper Calculator PRO4 screens
Adding Machine 10Key Univ Lite4 screens

Verdict

The call

The clearest difference is rating: Adding Machine 10Key Univ Lite at 4.3 against Rolled Paper Calculator PRO's 3.7. Adding Machine 10Key Univ Lite also leads on in-app purchases (none vs 1) and review sentiment (80% vs 48%). Rolled Paper Calculator PRO's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (7.1 vs 12.4). On price, ads and device support 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. Rolled Paper Calculator PRO sells 1 one-off in-app purchase. Adding Machine 10Key Univ Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Adding Machine 10Key Univ Lite holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Adding Machine 10Key Univ Lite has 192 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 48% of Rolled Paper Calculator PRO's written reviews are positive against 80% of Adding Machine 10Key Univ Lite's.

UpkeepUpdate frequency

Rolled Paper Calculator PRO ships an update every 2 weeks, Adding Machine 10Key Univ Lite every 6 weeks. Both last shipped on November 1, 2026.

Scorecard7 real differences · 3 level
Rolled Paper Calculator PRO versus Adding Machine 10Key Univ Lite: the parameters behind the verdict, then further details
ParameterRolled Paper Calculator PROAdding Machine 10Key Univ Lite
PriceFreeFree
Rating3.7 (6 ratings)4.3 (192 ratings) — better
Positive reviews47.9% of reviews79.6% of reviews — better
Number of ratings6192 — better
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS7.1 — better12.4
Further details — not scored
Size6 MB23 MB
Age rating4+4+
DevelopermobazoRichard Silverman

Customer experience

Rolled Paper Calculator PRO

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews119 reviews
Positive47.9%
Neutral9.2%
Negative42.9%

Adding Machine 10Key Univ Lite

All ratings192 ratings
Positive86.5%
Neutral6.3%
Negative7.3%
Written reviews49 reviews
Positive79.6%
Neutral8.2%
Negative12.2%

Bugs and requests

Rolled Paper Calculator PRO

Not enough reviews yet to summarise bugs or requests.

Adding Machine 10Key Univ Lite

Reported bugs

4 issues
  • 3 digits get frozen during calculations
  • Crashed and lost data
  • The "don't ask again" button for reviews does nothing
  • App freezes when switching apps

Requested features

8 requests
  • Ability to set automatic cents
  • Two sales tax rates or ability to deselect items from tax
  • More lines in the free version
  • More screen space on iPhone
  • Ability to add more before clearing
Show 3 more
  • Unlimited tape length
  • Dark mode option
  • One-button clear tape option

In-app purchases

1 purchases

Rolled Paper Calculator PRO

One-time1
  • UPGRADE$0.99
None

Adding Machine 10Key Univ Lite

No in-app purchases

Questions

Is Rolled Paper Calculator PRO free?
Rolled Paper Calculator PRO is free to download, with in-app purchases available.
Is Adding Machine 10Key Univ Lite free?
Adding Machine 10Key Univ Lite is free to download, with no in-app purchases.
Which has better reviews, Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite?
Adding Machine 10Key Univ Lite is rated higher. Rolled Paper Calculator PRO averages 3.7 out of 5 from 6 ratings, while Adding Machine 10Key Univ Lite averages 4.3 from 192 ratings.
Do Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite have ads?
Neither Rolled Paper Calculator PRO nor Adding Machine 10Key Univ Lite shows ads.
Which is updated more often, Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite?
Rolled Paper Calculator PRO ships an update every 2 weeks, and Adding Machine 10Key Univ Lite every 6 weeks. Most recently, Rolled Paper Calculator PRO was updated on November 1, 2026 and Adding Machine 10Key Univ Lite on November 1, 2026.

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