Comparison

Adding Machine 10Key iPhone vs Accounts 3 Checkbook

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

Accounts 3 Checkbook

Manage your personal finances and replace your paper checkbook with this intuitive application. Track daily transactions, schedule recurring payments, and capture photo receipts. Generate insightful reports and export your data in various formats for easy analysis.

Highlights
  • Schedule recurring transactions
  • Capture photo receipts
  • Generate graphs and reports
  • Sync data via iCloud
  • Export data in CSV, QIF, HTML
  • Touch and Face ID support
  • AirPrint support
Features
Currently charting
Read full description

Top Selling Checkbook App Accounts 3 is an easy to use application to replace your paper checkbook. With the Accounts 3 application, you will have a quicker and more convenient way to track your daily finances. You can schedule transactions, transfer funds, capture photo receipts, reconcile, view reports, export data, print, and much more. All features of the Accounts 3 app are designed to be quick, clean, intuitive, and easy to use. FEATURES * Touch and Face ID Support Use Touch or Face ID to authenticate and launch the app quicker and more conveniently. * Sync Data via iCloud Sync your data across iPhone, iPad, and iPod Touch devices * Universal Binary Designed for iPhone, iPad, and iPod Touch devices. No need to buy separate apps for each device. * Graphs and Reports Review your monthly income vs. expense, spending by category, or income by category summaries with beautiful graphs and reports. * Photo Receipts Capture and store photo receipt as part of a transaction. * AirPrint Support Print reports directly from your iPhone or iPad to any AirPrint-enabled printer. * Recurring Transactions Schedule transactions to repeat weekly, biweekly, monthly, semimonthly, quarterly, biannually, or yearly on a start date that you choose. * Split Transactions Split a transaction among several categories for more precise tracking. * Search Quickly search for transactions and edit them from the same screen or export your search results. * Reconcile Transactions Reconcile by checking off cleared transactions and comparing the actual and outstanding balances against a bank statement. * Smart Autocomplete As you type, a list will show you your previously entered descriptions and corresponding category. Selecting an entry from the list will fill both fields of the transaction. * Auto-increment Check # Field Accounts 3 will suggest the next check number for you based on the previously entered number. If you replace your checkbook, just enter the new starting number and Accounts 3 will auto-increment from there. * Transfers Make a one-time transfer between accounts or set up recurring transfers to automatically repeat. * Export in CSV, QIF & HTML Formats Export transactions via email attachments for used with desktop applications such Numbers, Excel, or MS Money. * Customization Settings & Themes Configurable settings and themes to customize the Accounts 3 application based on your preferences. Themes are now also available in dark mode. * Transaction Sorting/Hiding Sort transactions by date in either ascending or descending order. You can also hide reconciled transactions to keep your current list from being cluttered. * Accounts Reordering Reorder your accounts from the account list in any order you choose. * Accounts Delete Lock Prevents accidental deletion of all the transactions under an account. * Backup / Restore Backup your data for safekeeping via iCloud, Dropbox, or email. Then restore it to your device whenever you need to. * Passcode Security Keep your accounts information private. * FREE Accounts 3 Lite version Please download the Accounts 3 Lite version to try before you buy.

Screenshots

Adding Machine 10Key iPhone4 screens
Accounts 3 Checkbook4 screens

Verdict

The call

Adding Machine 10Key iPhone and Accounts 3 Checkbook both sit at 4.6 stars, but that hides the real split: 95% of Adding Machine 10Key iPhone's written reviews are positive against 63% of Accounts 3 Checkbook's. Adding Machine 10Key iPhone also leads on price ($2.99 vs $4.99) and iOS requirement (12.4 vs 14.0). Accounts 3 Checkbook's advantage is update cadence (every 11 days vs every 5 weeks) and ratings volume (3K vs 130). On rating, 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

Adding Machine 10Key iPhone costs $2.99 and Accounts 3 Checkbook $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Adding Machine 10Key iPhone against 4.5 for Accounts 3 Checkbook. That said, the two scores are not equally well evidenced: Accounts 3 Checkbook has 3K ratings behind it against 130, so its average is the more settled of the two. Written reviews are what separate them: 95% of Adding Machine 10Key iPhone's written reviews are positive against 63% of Accounts 3 Checkbook's.

UpkeepUpdate frequency

Adding Machine 10Key iPhone ships an update every 5 weeks, Accounts 3 Checkbook every 11 days. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 4 level
Adding Machine 10Key iPhone versus Accounts 3 Checkbook: the parameters behind the verdict, then further details
ParameterAdding Machine 10Key iPhoneAccounts 3 Checkbook
Price$2.99 — better$4.99
Rating4.6 (130 ratings) — better4.5 (3K ratings)
Positive reviews95.2% of reviews — better63.2% of reviews
Number of ratings1303K — better
Update frequencyEvery 5 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#85#2 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better14.0
Further details — not scored
Size10 MB11 MB
Age rating4+4+
DeveloperRichard SilvermanSVT Software

Customer experience

Adding Machine 10Key iPhone

All ratings130 ratings
Positive92.3%
Neutral3.1%
Negative4.6%
Written reviews62 reviews
Positive95.2%
Neutral0.0%
Negative4.8%

Accounts 3 Checkbook

All ratings3,035 ratings
Positive88.8%
Neutral4.3%
Negative6.9%
Written reviews590 reviews
Positive63.2%
Neutral12.5%
Negative24.2%

User reviews

Adding Machine 10Key iPhone

From 130 App Store ratings

What we love

  • 👍 Works like a real adding machine
  • 👍 Tape feature is excellent
  • 👍 Easy to use and user-friendly
  • 👍 Good for complex calculations
  • 👍 Allows editing of numbers

Room to improve

  • 🐛 Watermarks premium exports
  • 🐛 Haphazardly laid out controls
  • 🐛 Touchy sound toggle in free version
  • 🐛 Keypad glitch on re-opening
  • 🐛 Nagging review requests

Accounts 3 Checkbook

From 3K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Helpful features
  • 🔒 Secure data storage
  • 💡 Recurring transactions
  • 🚀 Smooth syncing between devices

Room to improve

  • 🐛 Sync issues
  • 🐛 Incorrect transaction recording
  • 🐛 Crashing and freezing
  • 💡 Limited customization options
  • 🔒 Lack of customer support

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

Accounts 3 Checkbook

Reported bugs

4 issues
  • Sync issues between devices
  • Incorrect transaction recording
  • Crashing and freezing
  • Inability to change time of recurring transactions

Requested features

5 requests
  • Ability to view future recurring transactions
  • Option to duplicate transactions
  • Customizable report generation
  • Improved syncing between multiple devices
  • Direct contact with developer for support

In-app purchases

None

Adding Machine 10Key iPhone

No in-app purchases

None

Accounts 3 Checkbook

No in-app purchases

Questions

Is Adding Machine 10Key iPhone free?
Adding Machine 10Key iPhone costs $2.99, with no in-app purchases.
Is Accounts 3 Checkbook free?
Accounts 3 Checkbook costs $4.99, with no in-app purchases.
Which has better reviews, Adding Machine 10Key iPhone or Accounts 3 Checkbook?
Adding Machine 10Key iPhone is rated higher. Adding Machine 10Key iPhone averages 4.6 out of 5 from 130 ratings, while Accounts 3 Checkbook averages 4.5 from 3K ratings.
Do Adding Machine 10Key iPhone or Accounts 3 Checkbook have ads?
Neither Adding Machine 10Key iPhone nor Accounts 3 Checkbook shows ads.
Which is updated more often, Adding Machine 10Key iPhone or Accounts 3 Checkbook?
Adding Machine 10Key iPhone ships an update every 5 weeks, and Accounts 3 Checkbook every 11 days. Most recently, Adding Machine 10Key iPhone was updated on September 26, 2026 and Accounts 3 Checkbook on September 25, 2026.
Which is more popular, Adding Machine 10Key iPhone or Accounts 3 Checkbook?
Adding Machine 10Key iPhone currently peaks at #85 in the App Store charts, and Accounts 3 Checkbook at #2. Chart position reflects recent download velocity rather than total install base.

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