# Adding Machine 10Key for iPad vs Bondurant

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.

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.

## The numbers

| Metric | Adding Machine 10Key for iPad | Bondurant |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (77 ratings)](https://appshunter.io/ios/app/adding-machine-10key-for-ipad/id415227051/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 22 MB | 35 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Silverman](https://appshunter.io/developer/297096643) | [Barchart](https://appshunter.io/developer/730277257) |

## 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


### Bondurant

[App page](https://appshunter.io/ios/app/bondurant/id6451489624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Bondurant free?

Bondurant is free to download, with no in-app purchases.

### Do Adding Machine 10Key for iPad or Bondurant have ads?

Neither Adding Machine 10Key for iPad nor Bondurant shows ads.

### Which is updated more often, Adding Machine 10Key for iPad or Bondurant?

Adding Machine 10Key for iPad ships an update every 2 months, and Bondurant every 7 months. Most recently, Adding Machine 10Key for iPad was updated on October 1, 2026 and Bondurant on September 15, 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.*