Comparison

Adding Machine 10Key iPhone vs Echo Wealth Management Mobile

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 iPhone

This app emulates a traditional 10-key adding machine, offering reversed operator entry and percentage calculation. Users can edit and save paper tapes, export them to various services, and customize keypad sounds. It's designed for accurate and efficient numerical input.

Highlights
  • True 10-key adding machine emulation
  • Reversed operator entry
  • Percentage calculation
  • Editable paper tape history
  • Save and retrieve paper tape files
  • Export paper tape to iBooks, Dropbox, or printing utilities
Currently charting
Read full description

'Adding Machine 10Key for iPhone’ 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. The total (*) key can be on either the left or right side (Sharp or Canon style) and the keypad is expandable to show more or less paper tape history. 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). ==== 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 only). . Full size (1:1) keyboard (iPad version only). . 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. ================ 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. Only the iPad version includes ‘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). ============================ 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

Echo Wealth Management Mobile

Features
Read full description

This mobile app lets you view account information, holdings, transactions, balances, realized gains & income, and performance net of fees and expenses. You can read quarterly customized reports with commentary from your advisor.

Screenshots

Adding Machine 10Key iPhone4 screens
Echo Wealth Management Mobile4 screens

Verdict

The call

The clearest difference is price: Echo Wealth Management Mobile at Free against Adding Machine 10Key iPhone's $2.99. Adding Machine 10Key iPhone's advantage is update cadence (every 5 weeks vs every 5 months) and chart position (#118 vs unranked). On ads, in-app purchases 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

Echo Wealth Management Mobile is free to download; Adding Machine 10Key iPhone costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Adding Machine 10Key iPhone ships an update every 5 weeks, Echo Wealth Management Mobile every 5 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 7 level
Adding Machine 10Key iPhone versus Echo Wealth Management Mobile: the parameters behind the verdict, then further details
ParameterAdding Machine 10Key iPhoneEcho Wealth Management Mobile
Price$2.99Free — better
Rating4.6 (131 ratings) — better—
Positive reviews95.2% of reviews—
Number of ratings131 — better—
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#118 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better15.6
Further details — not scored
Size10 MB62 MB
Age rating4+4+
DeveloperRichard SilvermanEcho Wealth Management, LLC

Bugs and requests

Adding Machine 10Key iPhone

Reported bugs

9 issues
  • Watermarks premium PDF exports
  • Haphazardly laid out controls
  • Touchy sound toggle in free version
  • Keypad glitch on re-opening
  • Nagging review requests (Don't ask again button not working)
Show 4 more
  • Incessant review requests (Don't Ask Again option not working)
  • Clearing the tape is a guessing exercise (I button behavior inconsistent)
  • Custom keypad feature removed from iPhone version
  • Inconsistent sound and clear button behavior

Requested features

10 requests
  • Eliminate tape for bigger total screen
  • Add square root feature
  • Bring back custom keypad feature on iPhone version
  • Allow more than 350 lines
  • Allow more notations on tape
Show 5 more
  • Ability to custom label groups
  • Fix period button centering
  • Consider changing app icon
  • Preferences for number format (input and output commas)
  • More control over number formats

Echo Wealth Management Mobile

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Adding Machine 10Key iPhone

No in-app purchases

None

Echo Wealth Management Mobile

No in-app purchases

Questions

Is Adding Machine 10Key iPhone free?
Adding Machine 10Key iPhone costs $2.99, with no in-app purchases.
Is Echo Wealth Management Mobile free?
Echo Wealth Management Mobile is free to download, with no in-app purchases.
Do Adding Machine 10Key iPhone or Echo Wealth Management Mobile have ads?
Neither Adding Machine 10Key iPhone nor Echo Wealth Management Mobile shows ads.
Which is updated more often, Adding Machine 10Key iPhone or Echo Wealth Management Mobile?
Adding Machine 10Key iPhone ships an update every 5 weeks, and Echo Wealth Management Mobile every 5 months. Most recently, Adding Machine 10Key iPhone was updated on October 14, 2026 and Echo Wealth Management Mobile on October 7, 2026.

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