Adding Machine 10Key for iPad vs Bondurant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Adding Machine 10Key for iPad
This app emulates a traditional 10-key adding machine with advanced features for iPad users. It offers a full-size keypad with audio feedback, editable paper tapes, and multiple export options for your calculations.
- Traditional 10-key adding machine emulation
- TypeTone audio feedback for accurate typing
- Editable paper tape with add/delete lines
- Save and retrieve paper tape files
- Export tapes to PDF via iBooks, Dropbox, or email
- Sharp or Canon style total key placement
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'Adding Machine 10Key for iPad’ 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 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 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. . 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 ================ FAQ's Q1. What is the difference between 'Adding Machine 10Key for iPad, 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)
Bondurant
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Track cash bids, negotiate, and chat with your merchandiser right from your mobile device. • Track cash bids, featuring charts with active bids • Place offers directly on the cash bid prices • Chat and negotiate in real time • Place and manage offers • Explore futures market data • View all available expirations and chart price action • See location-specific weather with all the information that matters most to growing operations • Set personalized market alerts for futures contracts • Stay up-to-date with news coverage of USDA reports and daily commentary Free for producers to download from Bondurant Grain
Screenshots
Verdict
The clearest difference is price: Bondurant at Free against Adding Machine 10Key for iPad's $2.99. Bondurant also leads on device support (3 vs 1). Adding Machine 10Key for iPad's advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (12.4 vs 15.1). On ads and in-app purchases 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
Bondurant is free to download; Adding Machine 10Key for iPad costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Adding Machine 10Key for iPad ships an update every 2 months, Bondurant every 7 months. The most recent releases landed on October 1, 2026 and September 15, 2026 respectively.
| Parameter | Adding Machine 10Key for iPad | Bondurant |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.8 (77 ratings) — better | — |
| Positive reviews | 93.8% of reviews | — |
| Number of ratings | 77 — better | — |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 22 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Silverman | Barchart |
Bugs and requests
Adding Machine 10Key for iPad
Reported bugs
2 issues- Memory doesn't go past six figures
- Cannot use memory to calculate GST and VAT values efficiently
Requested features
5 requests- Ability to dictate numbers and operations verbally
- More functions like Tax+, Tax-, MU
- Ability to write notes beside numbers
- Dark mode option
- Make it more intuitive
Bondurant
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Adding Machine 10Key for iPad
No in-app purchases
Bondurant
No in-app purchases
Questions
Is Adding Machine 10Key for iPad free?
Is Bondurant free?
Do Adding Machine 10Key for iPad or Bondurant have ads?
Which is updated more often, Adding Machine 10Key for iPad or Bondurant?
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