Adding Machine 10Key Univ Lite vs Vidia Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Adding Machine 10Key Univ Lite
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 edit and save paper tape files. The iPad version includes a full-size keypad with audio feedback for enhanced accuracy.
- 10-key adding machine emulation
- Reversed operator entry
- Percentage calculation
- Paper tape editing and saving
- Export paper tape files
- TypeTone audio feedback (iPad)
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'Adding Machine 10Key Univ Lite' 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). 'Lite' Version Description ================== This is the full version of Adding Machine 10Key Univ, but with a reduced number of paper tape lines & other limitations. You can find the full version by searching for 'Adding Machine 10Key Universal' by Richard Silverman in the App Store. ==== 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). . Full size (1:1) keyboard (iPad version). . 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. . 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). ============================ INCLUDED IN THIS LITE VERSION: . 16 lines of paper tape history . Limited to 2 keypad sounds . Only save 2 paper histories to disk . Ads for Interlocken products at bottom of display UPGRADE TO THE FULL VERSION IN THE APP STORE 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)
Vidia Go
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Aplicación de autogestión para tus Tarjetas Vidia
Screenshots
Verdict
The clearest difference is update cadence: Adding Machine 10Key Univ Lite at every 6 weeks against Vidia Go's every 3 months. Adding Machine 10Key Univ Lite also leads on iOS requirement (12.4 vs 26.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Adding Machine 10Key Univ Lite ships an update every 6 weeks, Vidia Go every 3 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.
| Parameter | Adding Machine 10Key Univ Lite | Vidia Go |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (192 ratings) — better | — |
| Positive reviews | 79.6% of reviews | — |
| Number of ratings | 192 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 8 MB |
| Age rating | 4+ | 17+ |
| Developer | Richard Silverman | Pay Tech Solutions |
Bugs and requests
Adding Machine 10Key Univ Lite
Reported bugs
4 issues- 3 digits get frozen during calculations
- Crashed and lost data
- The "don't ask again" button for reviews does nothing
- App freezes when switching apps
Requested features
8 requests- Ability to set automatic cents
- Two sales tax rates or ability to deselect items from tax
- More lines in the free version
- More screen space on iPhone
- Ability to add more before clearing
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- Unlimited tape length
- Dark mode option
- One-button clear tape option
Vidia Go
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Adding Machine 10Key Univ Lite
No in-app purchases
Vidia Go
No in-app purchases
Questions
Is Adding Machine 10Key Univ Lite free?
Is Vidia Go free?
Do Adding Machine 10Key Univ Lite or Vidia Go have ads?
Which is updated more often, Adding Machine 10Key Univ Lite or Vidia Go?
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