Comparison

Adding Machine 10Key iPhone vs Bills Organizer & Reminder

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

Bills Organizer & Reminder

Manage all your bills in one place to avoid late fees and penalties. Track upcoming payments with customizable reminders and view your financial overview through charts and calendars. Securely access your data and easily mark bills as paid.

Highlights
  • Bill tracking and management
  • Customizable payment reminders
  • Recurring and one-time bill setup
  • Calendar and chart views
  • Mark bills as paid from notification
  • Account management
  • Data export to CSV
Currently charting
Read full description

With Bills Organizer & Reminder you can say NO to late payment fees, penalties and low credit score! The main idea of the app is to give you tool that lets you track and manage all your bills in one place. Bills Organizer & Reminder has dashboard-style views that allow you quickly see approaching bills, and it sends payment reminders for upcoming bills before due date. Never miss bill payment and always pay all your bills on time! Main app features: - Different views: Upcoming Bills, Paid Bills, Accounts, Account Bills, Calendar View, Chart View, Settings, etc. - App allows you create recurring bills with different billing periods (weekly, bi-weekly, semi-monthly, monthly, bi-monthly, quarterly etc.) and one time bills as well. - Bills Organizer & Reminder sends payment reminders regardless whether the app is open or closed. - Mark bill as paid from within notification without starting the app. - Calendar gives you monthly view with payment statuses of bills. - Chart lets you analyze your spending over any period of time. - Bills Organizer & Reminder synchronizes data across all your iOS devices. - Secure access to the app with Passcode, Touch ID or Face ID of your device. - App icon’s badge shows you number of upcoming bills. - Accounts management. - Bills Organizer & Reminder allows you to export all your bills into CSV file. - When you create or update account enter website URL. And later when you record bill payment click Payment URL link on the bill’s payment page to easy navigate to website and pay your bill. - Advanced bill editing capability lets you update selected bill and all future bills as well. If you accidentally mark bill as paid you can easily mark it as unpaid. - Auto Pay Bill feature becomes really handy when you have automatically paid bill and want the app to automatically mark the bill as paid on the due date. - Upcoming Bills view displays total amount of unpaid bills by month and week. - Paid Bills view displays total amount of paid bills by month. - Bills Organizer & Reminder gives you ability to manually backup and restore data from iCloud or your device, if you want to save snapshot of data at some given point in time. - Auto data backup in iCloud. - Customization of default options: reminder time, reminder start date, badge, currency, authentication, start screen, etc. - Categories Management feature allows you to create, edit and remove categories. - Record bill payments in Bills Organizer & Reminder app and see payments full history at any time. - Add and track your income in the app. - User friendly interface. Please feel free to contact us at bills.organizer.kdvsolutions@gmail.com for any feedback, questions and new features request. ********************************** - You get Bills Organizer & Reminder app with full set of functions (not a trial/limited app) that lets you manage up to five accounts for free. If you need to create more accounts then you can buy “Unlimited Accounts” feature for $5.99 one-time fee at any time. - Bills Organizer & Reminder displays ads. To disable ads in the app you can buy “No Ads” feature for $3.99 one-time fee at any time. **********************************

Screenshots

Adding Machine 10Key iPhone4 screens
Bills Organizer & Reminder4 screens

Verdict

The call

The clearest difference is price: Bills Organizer & Reminder at Free against Adding Machine 10Key iPhone's $2.99. Bills Organizer & Reminder also leads on ratings volume (25K vs 131). Adding Machine 10Key iPhone's advantage is review sentiment (95% vs 56%) and in-app purchases (none vs 2). On rating, update cadence, ads and chart position 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

Bills Organizer & Reminder is free to download; Adding Machine 10Key iPhone costs $2.99 up front. Bills Organizer & Reminder sells 2 one-off in-app purchases. Adding Machine 10Key iPhone asks for nothing beyond the download.

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 4.7 for Bills Organizer & Reminder. That said, the two scores are not equally well evidenced: Bills Organizer & Reminder has 25K ratings behind it against 131, 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 56% of Bills Organizer & Reminder's.

UpkeepUpdate frequency

Adding Machine 10Key iPhone ships an update every 5 weeks, Bills Organizer & Reminder every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 6 level
Adding Machine 10Key iPhone versus Bills Organizer & Reminder: the parameters behind the verdict, then further details
ParameterAdding Machine 10Key iPhoneBills Organizer & Reminder
Price$2.99Free — better
Rating4.6 (131 ratings)4.7 (25K ratings) — better
Positive reviews95.2% of reviews — better55.8% of reviews
Number of ratings13125K — better
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#55 — better#163
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.411.0 — better
Further details — not scored
Size10 MB66 MB
Age rating4+4+
DeveloperRichard SilvermanDennis Kruta

Customer experience

Adding Machine 10Key iPhone

All ratings131 ratings
Positive92.4%
Neutral3.1%
Negative4.6%
Written reviews62 reviews
Positive95.2%
Neutral0.0%
Negative4.8%

Bills Organizer & Reminder

All ratings24,162 ratings
Positive92.5%
Neutral3.0%
Negative4.6%
Written reviews495 reviews
Positive55.8%
Neutral11.1%
Negative33.1%

User reviews

Adding Machine 10Key iPhone

From 131 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

Bills Organizer & Reminder

From 25K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 💡 Helpful for staying on top of bills
  • 🚀 Efficient bill tracking and reminders
  • 🔒 No need to link bank accounts

Room to improve

  • 🔒 Limited to 5 bills in free version
  • 🐛 Crashes and glitches for some users
  • 🔒 Ads in paid version
  • 🐛 Syncing issues across devices

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

Bills Organizer & Reminder

Reported bugs

3 issues
  • App freezing and crashing for some users
  • Data loss and reset issues reported
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Add option to track income and net balance
  • Allow partial payments and payment plans
  • Improve calendar view and customization
  • Add support for shared accounts/family access

In-app purchases

None

Adding Machine 10Key iPhone

No in-app purchases

2 purchases

Bills Organizer & Reminder

One-time2
  • No Ads$3.99
  • Unlimited Accounts$5.99

Questions

Is Adding Machine 10Key iPhone free?
Adding Machine 10Key iPhone costs $2.99, with no in-app purchases.
Is Bills Organizer & Reminder free?
Bills Organizer & Reminder is free to download, with in-app purchases available.
Which has better reviews, Adding Machine 10Key iPhone or Bills Organizer & Reminder?
Bills Organizer & Reminder is rated higher. Adding Machine 10Key iPhone averages 4.6 out of 5 from 131 ratings, while Bills Organizer & Reminder averages 4.7 from 25K ratings.
Do Adding Machine 10Key iPhone or Bills Organizer & Reminder have ads?
Neither Adding Machine 10Key iPhone nor Bills Organizer & Reminder shows ads.
Which is updated more often, Adding Machine 10Key iPhone or Bills Organizer & Reminder?
Adding Machine 10Key iPhone ships an update every 5 weeks, and Bills Organizer & Reminder every 3 weeks. Most recently, Adding Machine 10Key iPhone was updated on October 23, 2026 and Bills Organizer & Reminder on October 24, 2026.
Which is more popular, Adding Machine 10Key iPhone or Bills Organizer & Reminder?
Adding Machine 10Key iPhone currently peaks at #55 in the App Store charts, and Bills Organizer & Reminder at #163. Chart position reflects recent download velocity rather than total install base.

Other comparisons