# Adding Machine 10Key for iPad vs Rapid & Quick Calculator Pro

The clearest difference is ads: Adding Machine 10Key for iPad at none against Rapid & Quick Calculator Pro's shown. Adding Machine 10Key for iPad also leads on update cadence (every 2 months vs every 5 months) and price ($2.99 vs $3.99). On rating, review sentiment, ratings volume and in-app purchases there is nothing between them.

Adding Machine 10Key for iPad costs $2.99 and Rapid & Quick Calculator Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Adding Machine 10Key for iPad against 4.9 for Rapid & Quick Calculator Pro. Both are backed by a comparable volume of ratings — 77 and 206 respectively. Written reviews are what separate them: 92% of Adding Machine 10Key for iPad's written reviews are positive against 90% of Rapid & Quick Calculator Pro's.

Adding Machine 10Key for iPad ships an update every 2 months, Rapid & Quick Calculator Pro every 5 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | Adding Machine 10Key for iPad | Rapid & Quick Calculator Pro |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [4.8 (77 ratings)](https://appshunter.io/ios/app/adding-machine-10key-for-ipad/id415227051/reviews) | **[4.9 (206 ratings)](https://appshunter.io/ios/app/rapid-and-quick-calculator-pro/id1067631562/reviews)** |
| Number of ratings | 77 | **206** |
| Positive reviews | **92.4% of reviews** | 90.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 22 MB | 7 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Silverman](https://appshunter.io/developer/297096643) | [KinkumaDesign](https://appshunter.io/developer/385697725) |

## What reviewers say

### Adding Machine 10Key for iPad

[App page](https://appshunter.io/ios/app/adding-machine-10key-for-ipad/id415227051)

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.

**Highlights:** 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

**In-app purchases:** none

**What reviewers like**

- 👍 Mimics traditional adding machines
- 👍 Familiar interface for 10-key users
- 👍 Virtual paper tape for record-keeping
- 👍 Saves and emails tapes
- 👍 Portable and convenient

**What reviewers complain about**

- 🤔 Takes time to get used to
- 🤔 Keyboard input issues reported
- 🤔 Memory limitation for very large numbers
- 🤔 Not a true 3D key feel

**Reported bugs**

- Memory doesn't go past six figures
- Cannot use memory to calculate GST and VAT values efficiently

**Requested features**

- 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


### Rapid & Quick Calculator Pro

[App page](https://appshunter.io/ios/app/rapid-and-quick-calculator-pro/id1067631562)

This calculator app offers essential functions plus advanced features like sales tax and discount calculations. Easily reuse past answers, edit expressions with cursor keys, and customize themes and fonts. Share your calculations with others.

**Highlights:** History tape for reusing answers, Sales tax and discount calculations, Precise rounding settings, Editable expressions with cursor keys, Multiple color themes and font options, Share expressions and answers

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 📜 History feature is helpful
- 📋 Copy and paste functionality
- ✨ Customizable appearance
- ✅ Clear display of calculations

**What reviewers complain about**

- 🐛 App crashes on paste
- 🐛 Random calculations appear
- 🐛 Laggy input on startup
- 🐛 iPad bug with screen switching
- 🐛 Swipe responsiveness issues

**Reported bugs**

- App crashes when pasting copied expression and pressing equals
- Random calculations appear in current box after clearing and reopening
- Laggy drawing of input on startup
- App becomes unusable on iPad after screen switching
- Swipe response is poor

**Requested features**

- Dark mode for icon
- Larger calculation display window
- Separate tax buttons (pre/post tax)
- Vibration option for input
- Add memo to history


## Frequently asked questions

### Is Adding Machine 10Key for iPad free?

Adding Machine 10Key for iPad costs $2.99, with no in-app purchases.

### Is Rapid & Quick Calculator Pro free?

Rapid & Quick Calculator Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Adding Machine 10Key for iPad or Rapid & Quick Calculator Pro?

Rapid & Quick Calculator Pro is rated higher. Adding Machine 10Key for iPad averages 4.8 out of 5 from 77 ratings, while Rapid & Quick Calculator Pro averages 4.9 from 206 ratings.

### Do Adding Machine 10Key for iPad or Rapid & Quick Calculator Pro have ads?

Rapid & Quick Calculator Pro shows ads; Adding Machine 10Key for iPad does not.

### Which is updated more often, Adding Machine 10Key for iPad or Rapid & Quick Calculator Pro?

Adding Machine 10Key for iPad ships an update every 2 months, and Rapid & Quick Calculator Pro every 5 months. Most recently, Adding Machine 10Key for iPad was updated on October 22, 2026 and Rapid & Quick Calculator Pro on October 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*