# Rolled Paper Calculator PRO vs Adding Machine 10Key Univ Lite

The clearest difference is rating: Adding Machine 10Key Univ Lite at 4.3 against Rolled Paper Calculator PRO's 3.7. Adding Machine 10Key Univ Lite also leads on in-app purchases (none vs 1) and review sentiment (80% vs 48%). Rolled Paper Calculator PRO's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (7.1 vs 12.4). On price, ads and device support there is nothing between them.

Both are free to download. Rolled Paper Calculator PRO sells 1 one-off in-app purchase. Adding Machine 10Key Univ Lite asks for nothing beyond the download.

Adding Machine 10Key Univ Lite holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Adding Machine 10Key Univ Lite has 192 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 48% of Rolled Paper Calculator PRO's written reviews are positive against 80% of Adding Machine 10Key Univ Lite's.

Rolled Paper Calculator PRO ships an update every 2 weeks, Adding Machine 10Key Univ Lite every 6 weeks. Both last shipped on November 1, 2026.

## The numbers

| Metric | Rolled Paper Calculator PRO | Adding Machine 10Key Univ Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/rolled-paper-calculator-pro/id386524102/reviews) | **[4.3 (192 ratings)](https://appshunter.io/ios/app/adding-machine-10key-univ-lite/id579393645/reviews)** |
| Number of ratings | 6 | **192** |
| Positive reviews | 47.9% of reviews | **79.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 23 MB |
| Requires iOS | **7.1** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mobazo](https://appshunter.io/developer/386524105) | [Richard Silverman](https://appshunter.io/developer/297096643) |

## What reviewers say

### Rolled Paper Calculator PRO

[App page](https://appshunter.io/ios/app/rolled-paper-calculator-pro/id386524102)

This calculator app offers a unique paper tape experience, allowing users to scroll through entries and email results. It's designed for various financial calculations, from shopping carts to business statements.

**Highlights:** Digital paper tape display, Scrollable calculation history, Email calculation results, Currency mode with custom settings, Flat design interface, Long paper option (paid)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UPGRADE | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Rolled Paper Calculator PRO free?

Rolled Paper Calculator PRO is free to download, with in-app purchases available.

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

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

### Which has better reviews, Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite?

Adding Machine 10Key Univ Lite is rated higher. Rolled Paper Calculator PRO averages 3.7 out of 5 from 6 ratings, while Adding Machine 10Key Univ Lite averages 4.3 from 192 ratings.

### Do Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite have ads?

Neither Rolled Paper Calculator PRO nor Adding Machine 10Key Univ Lite shows ads.

### Which is updated more often, Rolled Paper Calculator PRO or Adding Machine 10Key Univ Lite?

Rolled Paper Calculator PRO ships an update every 2 weeks, and Adding Machine 10Key Univ Lite every 6 weeks. Most recently, Rolled Paper Calculator PRO was updated on November 1, 2026 and Adding Machine 10Key Univ Lite on November 1, 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.*