# Adding Machine 10Key for iPad vs TRUSTtrak

The clearest difference is price: TRUSTtrak at Free against Adding Machine 10Key for iPad's $2.99. Adding Machine 10Key for iPad's advantage is rating (4.8 vs 2.8) and review sentiment (92% vs 67%). On ads, in-app purchases and device support there is nothing between them.

TRUSTtrak 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 holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Adding Machine 10Key for iPad has 77 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 92% of Adding Machine 10Key for iPad's written reviews are positive against 67% of TRUSTtrak's.

Adding Machine 10Key for iPad ships an update every 2 months, TRUSTtrak every 5 months. The most recent releases landed on October 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Adding Machine 10Key for iPad | TRUSTtrak |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (77 ratings)](https://appshunter.io/ios/app/adding-machine-10key-for-ipad/id415227051/reviews)** | [2.8 (5 ratings)](https://appshunter.io/ios/app/trusttrak/id703155395/reviews) |
| Number of ratings | **77** | 5 |
| Positive reviews | **92.4% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | **Free** |
| Size | 22 MB | 86 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Richard Silverman](https://appshunter.io/developer/297096643) | [Infovisa, Inc.](https://appshunter.io/developer/518436601) |

## 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


### TRUSTtrak

[App page](https://appshunter.io/ios/app/trusttrak/id703155395)

Monitor your investment portfolio performance and account balances with clear visuals and breakdowns. Track your progress against the market to understand your path to wealth, all from your iPhone or iPad.

**Highlights:** View portfolio balances, Account summaries with allocations, Interactive dashboards, Visual graphs of accounts, Market performance comparison

**Features:** macOS Compatibility, Vision Pro support

**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 TRUSTtrak free?

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

### Which has better reviews, Adding Machine 10Key for iPad or TRUSTtrak?

Adding Machine 10Key for iPad is rated higher. Adding Machine 10Key for iPad averages 4.8 out of 5 from 77 ratings, while TRUSTtrak averages 2.8 from 5 ratings.

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

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

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

Adding Machine 10Key for iPad ships an update every 2 months, and TRUSTtrak every 5 months. Most recently, Adding Machine 10Key for iPad was updated on October 12, 2026 and TRUSTtrak on September 25, 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.*