# Adding Machine 10Key Univ Lite vs Calculator++F

The clearest difference is ads: Adding Machine 10Key Univ Lite at none against Calculator++F's shown. Adding Machine 10Key Univ Lite also leads on monetization model (free vs ad-supported) and ratings volume (192 vs 22). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for Adding Machine 10Key Univ Lite against 4.5 for Calculator++F. That said, the two scores are not equally well evidenced: Adding Machine 10Key Univ Lite has 192 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 80% of Adding Machine 10Key Univ Lite's written reviews are positive against 71% of Calculator++F's.

Adding Machine 10Key Univ Lite ships an update every 6 weeks, Calculator++F every 2 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Adding Machine 10Key Univ Lite | Calculator++F |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (192 ratings)](https://appshunter.io/ios/app/adding-machine-10key-univ-lite/id579393645/reviews) | **[4.5 (22 ratings)](https://appshunter.io/ios/app/calculator-plus-plus-f/id1070080614/reviews)** |
| Number of ratings | **192** | 22 |
| Positive reviews | **79.6% of reviews** | 71.2% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 71 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Richard Silverman](https://appshunter.io/developer/297096643) | [YUTAKA KENJO](https://appshunter.io/developer/1070080613) |

## What reviewers say

### Adding Machine 10Key Univ Lite

[App page](https://appshunter.io/ios/app/adding-machine-10key-univ-lite/id579393645)

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.

**Highlights:** 10-key adding machine emulation, Reversed operator entry, Percentage calculation, Paper tape editing and saving, Export paper tape files, TypeTone audio feedback (iPad)

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Works like a real adding machine
- 👍 Tape feature is useful
- 👍 Large, clear numbers
- 👍 Good for bookkeeping

**What reviewers complain about**

- 💸 Paid version is expensive
- 📉 Ads take up screen space on iPhone
- 🤏 Keys are too small on lite version
- 🗄️ Lite version has limited lines
- 💡 Trailing zeros not displayed

**Reported bugs**

- 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**

- 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


### Calculator++F

[App page](https://appshunter.io/ios/app/calculator-plus-plus-f/id1070080614)

This app allows for complex calculations using expressions, with one-touch discount and tax calculations. It automatically saves your calculation history for easy review and reuse, making everyday financial tasks efficient.

**Highlights:** Expression-based calculations, One-touch discount and tax calculation, Automatic calculation history, Reuse historical expressions, Memory function, Mini-game for mental exercise

**In-app purchases:** none


## Frequently asked questions

### Is Adding Machine 10Key Univ Lite free?

Adding Machine 10Key Univ Lite is free to download, with no in-app purchases.

### Is Calculator++F free?

Calculator++F is free to download, with no in-app purchases.

### Which has better reviews, Adding Machine 10Key Univ Lite or Calculator++F?

Calculator++F is rated higher. Adding Machine 10Key Univ Lite averages 4.3 out of 5 from 192 ratings, while Calculator++F averages 4.5 from 22 ratings.

### Do Adding Machine 10Key Univ Lite or Calculator++F have ads?

Calculator++F shows ads; Adding Machine 10Key Univ Lite does not.

### Which is updated more often, Adding Machine 10Key Univ Lite or Calculator++F?

Adding Machine 10Key Univ Lite ships an update every 6 weeks, and Calculator++F every 2 months. Most recently, Adding Machine 10Key Univ Lite was updated on October 22, 2026 and Calculator++F on October 24, 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.*