Comparison

Adding Machine 10Key Univ Lite vs Talking Calculator

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

Head to head
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)

About

Talking Calculator

This finance app allows users to perform calculations using voice commands and view historical records. It offers customizable sound effects and real-time voice broadcasts, with an interface optimized for iPad multitasking.

Highlights
  • Voice command calculations
  • Display of recent formulas
  • Historical calculation records
  • Customizable key tones
  • Real-time voice broadcast
  • Optimized for iPad multitasking
Features
Read full description

Experience the perfect handheld electronic calculator on your iOS device. Features real-time voice broadcast to speed up your accounting and financial checks without looking at the screen. Key Features: Standard math operations with a clear layout. Live voice feedback and crisp piano key sound effects. Full calculation history log for easy proofreading. Displays both formulas and results simultaneously.

Screenshots

Adding Machine 10Key Univ Lite4 screens
Talking Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: Adding Machine 10Key Univ Lite at none against Talking Calculator's 3. Adding Machine 10Key Univ Lite also leads on ads (none vs shown) and review sentiment (80% vs 71%). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Talking Calculator sells 3 one-off in-app purchases. Adding Machine 10Key Univ Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Adding Machine 10Key Univ Lite against 4.5 for Talking Calculator. Both are backed by a comparable volume of ratings — 192 and 82 respectively. Written reviews are what separate them: 80% of Adding Machine 10Key Univ Lite's written reviews are positive against 71% of Talking Calculator's.

UpkeepUpdate frequency

Adding Machine 10Key Univ Lite ships an update every 6 weeks, Talking Calculator every 3 months. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

Scorecard5 real differences · 5 level
Adding Machine 10Key Univ Lite versus Talking Calculator: the parameters behind the verdict, then further details
ParameterAdding Machine 10Key Univ LiteTalking Calculator
PriceFreeFree
Rating4.3 (192 ratings)4.5 (82 ratings) — better
Positive reviews79.6% of reviews — better70.8% of reviews
Number of ratings192 — better82
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.4 — better15.0
Further details — not scored
Size23 MB25 MB
Age rating4+4+
DeveloperRichard Silverman书敏 贾

Customer experience

Adding Machine 10Key Univ Lite

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

Talking Calculator

All ratings80 ratings
Positive86.3%
Neutral3.8%
Negative10.0%
Written reviews48 reviews
Positive70.8%
Neutral12.5%
Negative16.7%

Bugs and 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

Talking Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Adding Machine 10Key Univ Lite

No in-app purchases

3 purchases

Talking Calculator

One-time3
  • Remove Ads$0.99
  • Voice Broadcast$0.99
  • Pro Version$1.99

Questions

Is Adding Machine 10Key Univ Lite free?
Adding Machine 10Key Univ Lite is free to download, with no in-app purchases.
Is Talking Calculator free?
Talking Calculator is free to download, with in-app purchases available.
Which has better reviews, Adding Machine 10Key Univ Lite or Talking Calculator?
Talking Calculator is rated higher. Adding Machine 10Key Univ Lite averages 4.3 out of 5 from 192 ratings, while Talking Calculator averages 4.5 from 82 ratings.
Do Adding Machine 10Key Univ Lite or Talking Calculator have ads?
Talking Calculator shows ads; Adding Machine 10Key Univ Lite does not.
Which is updated more often, Adding Machine 10Key Univ Lite or Talking Calculator?
Adding Machine 10Key Univ Lite ships an update every 6 weeks, and Talking Calculator every 3 months. Most recently, Adding Machine 10Key Univ Lite was updated on November 10, 2026 and Talking Calculator on November 6, 2026.

Other comparisons