Adding Machine 10Key Universal vs Loan Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Adding Machine 10Key Universal
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 review and edit entries on a digital paper tape. Users can save, export, and print their calculation tapes.
- 10-key adding machine emulation
- Reversed operator entry
- Percentage calculation
- Digital paper tape with editing
- Save and export tapes (PDF)
- TypeTone audio feedback (iPad)
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'Adding Machine 10Key Universal’ 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). ==== 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, and print with your favorite printing utility. . Use Apple AirPrint© to print directly. . 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. . 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). ============================ 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)
Loan Calculator
This app helps you quickly calculate loan payments, affordability, and potential savings. It offers detailed amortization schedules and allows for scenario planning by adjusting loan parameters. Advanced features include expense breakdowns for mortgages and vehicle loans, plus data synchronization and custom report generation.
- Calculate loan payments
- Determine loan affordability
- Amortization schedule
- Scenario planning
- Mortgage/vehicle loan expense breakdown
- Save and synchronize loans
- Customizable reports
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Loan2Me is a comprehensive loan calculator that quickly calculates loan payments by inputting the loan amount, interest rate, and term. Pro features include six additional input screens for determining loan values and date-related calculations. Users can easily calculate loan affordability by inputting their desired monthly payment, loan duration, and interest rate. The calculator also shows how lower interest rates affect monthly payments and potential savings by shortening the loan term. For mortgage or vehicle loans, the calculator has input screens for down payments, trade-ins, dealer incentives, insurance, property taxes, sales tax, and other expenses. Users can save loans for convenient access and they automatically synchronize across devices via iCloud (Pro Features required). Accessing saved loans is easy, with loan details, progress tracking, and sharing options. Users can save, print, or share results with a single tap. The amortization schedule details how much of your payment goes towards interest and principal each month. Users can create customized reports (requires Pro Features) in PDF, text or comma-separated values (CSV) files for spreadsheet import. Modify loan input parameters to see how they affect payments, total interest, total payments, and loan term. Enhance loan management by making additional payments to calculate savings in time and money. Use the Progress Chart slider to visualize loan progress over time. Loan2Me provides immediate answers for informed loan decisions. For vehicle loans, it offers customizable sales tax calculations based on state regulations. Compare cashback options with lower interest rates to help your decision making. Determine substantial savings from 20-year to 30-year mortgages. Accessibility features include VoiceOver, dynamic font sizes, five color themes, and light/dark modes. Comprehensive help screens and FAQs provide further information. Basic features are available for FREE without any intrusive ads. Pro Features are offered as a one-time purchase. Enhance your loan management and decisions with Loan2Me.
Screenshots
Verdict
The clearest difference is price: Loan Calculator at Free against Adding Machine 10Key Universal's $3.99. Loan Calculator also leads on ratings volume (8.2K vs 137) and update cadence (every 3 weeks vs every 2 months). Adding Machine 10Key Universal's advantage is in-app purchases (none vs 1) and review sentiment (94% vs 76%). On rating, 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
Loan Calculator is free to download; Adding Machine 10Key Universal costs $3.99 up front. Loan Calculator sells 1 one-off in-app purchase. Adding Machine 10Key Universal asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Adding Machine 10Key Universal against 4.8 for Loan Calculator. That said, the two scores are not equally well evidenced: Loan Calculator has 8.2K ratings behind it against 137, so its average is the more settled of the two. Written reviews are what separate them: 94% of Adding Machine 10Key Universal's written reviews are positive against 76% of Loan Calculator's.
Adding Machine 10Key Universal ships an update every 2 months, Loan Calculator every 3 weeks. Both last shipped on November 6, 2026.
| Parameter | Adding Machine 10Key Universal | Loan Calculator |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.7 (137 ratings) | 4.8 (8.2K ratings) — better |
| Positive reviews | 94.0% of reviews — better | 75.6% of reviews |
| Number of ratings | 137 | 8.2K — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Best chart rank | #152 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Silverman | Jeffrey Williams |
Customer experience
Adding Machine 10Key Universal
Loan Calculator
User reviews
Adding Machine 10Key Universal
From 137 App Store ratingsWhat we love
- 👍 Easy to use
- 🧮 Acts like an adding machine
- 🧾 Digital tape for review
- 🖨️ Can print tape
- 💾 Can save/export results
Room to improve
- 🐛 Outdated and no support
- 🐛 Doesn't work for new iPad
- 🐛 Total only shows non-zero decimals
- 🐛 Ridiculous method to clear tape
- 🐛 % key not functional
Loan Calculator
From 8.2K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Accurate and quick calculations
- 💡 Helpful for financial planning
- 🔒 No data tracking or selling
- 💡 Convenient for various loan types
Room to improve
- 🐛 Occasional data loss after updates
- 💡 Lack of currency and language options
- 💡 Missing features like taxes, insurance, and PMI calculations
- 🐛 Issues with editing input fields
Bugs and requests
Adding Machine 10Key Universal
Reported bugs
11 issues- Cannot save taped
- Cannot export results
- Does not work for new iPad
- Total only shows digits after the decimal that aren't zero
- Method to clear the tape is ridiculous
Show 6 moreShow fewer
- It does not subtract
- No way to do handoff due to lack of iCloud syncing
- % key does not appear to do anything
- +/- key seems to be inoperative
- See index button doesn't do anything
- Review screen pops up every time the app is opened and 'don't ask again' doesn't work
Requested features
6 requests- Add widget
- Add realistic sounds
- Add iCloud sync
- Improve tape clearing method
- Clarify functionality of % and +/- keys
Show 1 moreShow fewer
- Improve instructions for less intuitive features
Loan Calculator
Reported bugs
2 issues- Login screen freezes
- Calculator does not fit on screen properly
Requested features
5 requests- Add ability to calculate deferred payments
- Include option for interest-only mortgage calculations
- Display current loan balance instead of original balance
- Provide a toggle for "interest only" mortgage calculations
- Add functionality to calculate loan-to-value (LTV) ratio
In-app purchases
Adding Machine 10Key Universal
No in-app purchases
Loan Calculator
- Professional Features$9.99
Questions
Is Adding Machine 10Key Universal free?
Is Loan Calculator free?
Which has better reviews, Adding Machine 10Key Universal or Loan Calculator?
Do Adding Machine 10Key Universal or Loan Calculator have ads?
Which is updated more often, Adding Machine 10Key Universal or Loan Calculator?
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