# Adding Machine 10Key Universal vs BA Financial Calculator

The clearest difference is price: BA Financial Calculator at Free against Adding Machine 10Key Universal's $3.99. BA Financial Calculator also leads on ratings volume (3.3K vs 136). Adding Machine 10Key Universal's advantage is ads (none vs shown) and review sentiment (94% vs 65%). On rating, in-app purchases and device support there is nothing between them.

BA Financial Calculator is free to download; Adding Machine 10Key Universal costs $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 — 4.7 for Adding Machine 10Key Universal against 4.8 for BA Financial Calculator. That said, the two scores are not equally well evidenced: BA Financial Calculator has 3.3K ratings behind it against 136, so its average is the more settled of the two. Written reviews are what separate them: 94% of Adding Machine 10Key Universal's written reviews are positive against 65% of BA Financial Calculator's.

Adding Machine 10Key Universal ships an update every 2 months, BA Financial Calculator every 4 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | Adding Machine 10Key Universal | BA Financial Calculator |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.7 (136 ratings)](https://appshunter.io/ios/app/adding-machine-10key-universal/id579385939/reviews) | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/ba-financial-calculator/id1479219212/reviews)** |
| Number of ratings | 136 | **3.3K** |
| Positive reviews | **94.0% of reviews** | 64.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#181** | — |
| Size | 23 MB | 27 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Silverman](https://appshunter.io/developer/297096643) | [Angel Montana](https://appshunter.io/developer/1479219211) |

## What reviewers say

### Adding Machine 10Key Universal

[App page](https://appshunter.io/ios/app/adding-machine-10key-universal/id579385939)

**Currently charting:** #181 Top Paid · Finance (US App Store)

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 review and edit entries on a digital paper tape. Users can save, export, and print their calculation tapes.

**Highlights:** 10-key adding machine emulation, Reversed operator entry, Percentage calculation, Digital paper tape with editing, Save and export tapes (PDF), TypeTone audio feedback (iPad)

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🧮 Acts like an adding machine
- 🧾 Digital tape for review
- 🖨️ Can print tape
- 💾 Can save/export results

**What reviewers complain about**

- 🐛 Outdated and no support
- 🐛 Doesn't work for new iPad
- 🐛 Total only shows non-zero decimals
- 🐛 Ridiculous method to clear tape
- 🐛 % key not functional

**Reported bugs**

- Cannot save taped
- Cannot export results
- Does not work for new iPad
- Total only shows digits after the decimal that aren't zero
- Method to clear the tape is ridiculous

**Requested features**

- Add widget
- Add realistic sounds
- Add iCloud sync
- Improve tape clearing method
- Clarify functionality of % and +/- keys


### BA Financial Calculator

[App page](https://appshunter.io/ios/app/ba-financial-calculator/id1479219212)

Emulates the TI BAII Plus financial calculator, offering identical functionality with a clean and user-friendly interface. It's designed for finance professionals and students preparing for exams like CFA, FRM, and CPA.

**Highlights:** TI BAII Plus emulator, Identical functionality, User-friendly interface, Fast and reliable, Exam preparation tool

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 🚀 Exactly like the real thing
- 👍 Useful
- 👍 Solid app
- 👍 Fantastic

**What reviewers complain about**

- 🐛 Incorrect calculations
- 🐛 Not accurate
- 🐛 Précision à revoir
- 🐛 Wrong answers
- 🐛 TVM DOES NOT WORK!  USELESS!

**Reported bugs**

- Incorrect calculations
- Calculations not accurate
- TVM functions not working
- Errors when trying to use certain features
- App crashes or freezes

**Requested features**

- Dark mode option
- Advanced analytics dashboard
- Instructions on how to use the calculator
- Option to remove ads
- Support for landscape mode and screen split on iPad


## Frequently asked questions

### Is Adding Machine 10Key Universal free?

Adding Machine 10Key Universal costs $3.99, with no in-app purchases.

### Is BA Financial Calculator free?

BA Financial Calculator is free to download, with no in-app purchases.

### Which has better reviews, Adding Machine 10Key Universal or BA Financial Calculator?

BA Financial Calculator is rated higher. Adding Machine 10Key Universal averages 4.7 out of 5 from 136 ratings, while BA Financial Calculator averages 4.8 from 3.3K ratings.

### Do Adding Machine 10Key Universal or BA Financial Calculator have ads?

BA Financial Calculator shows ads; Adding Machine 10Key Universal does not.

### Which is updated more often, Adding Machine 10Key Universal or BA Financial Calculator?

Adding Machine 10Key Universal ships an update every 2 months, and BA Financial Calculator every 4 months. Most recently, Adding Machine 10Key Universal was updated on October 18, 2026 and BA Financial Calculator on October 18, 2026.

---

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