# Rolled Paper Calculator vs Adding Machine 10Key Universal

The clearest difference is price: Rolled Paper Calculator at Free against Adding Machine 10Key Universal's $3.99. Rolled Paper Calculator also leads on update cadence (every 4 days vs every 2 months). Adding Machine 10Key Universal's advantage is review sentiment (94% vs 52%) and ads (none vs shown). On rating, in-app purchases and device support there is nothing between them.

Rolled Paper 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 — 4.8 for Rolled Paper Calculator against 4.7 for Adding Machine 10Key Universal. Both are backed by a comparable volume of ratings — 28 and 134 respectively. Written reviews are what separate them: 52% of Rolled Paper Calculator's written reviews are positive against 94% of Adding Machine 10Key Universal's.

Rolled Paper Calculator ships an update every 4 days, Adding Machine 10Key Universal every 2 months. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Rolled Paper Calculator | Adding Machine 10Key Universal |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/rolled-paper-calculator/id390235996/reviews)** | [4.7 (134 ratings)](https://appshunter.io/ios/app/adding-machine-10key-universal/id579385939/reviews) |
| Number of ratings | 28 | **134** |
| Positive reviews | 52.0% of reviews | **94.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#189** |
| Size | 5 MB | 23 MB |
| Requires iOS | 16.6 | **12.4** |
| Devices | iPhone, iPad | **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

[App page](https://appshunter.io/ios/app/rolled-paper-calculator/id390235996)

This calculator offers a unique scrolling paper display for easy review of calculations. It features multiple keyboard modes, flexible decimal point settings, and VAT calculation. Advanced functions include scanning from receipts and note-taking capabilities.

**Highlights:** Scrolling paper display, Standard/Advanced/Note keyboard modes, Flexible decimal point modes, VAT calculation, Scan function for input, Note-taking and management, Copy calculation history

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

**In-app purchases:** none


### Adding Machine 10Key Universal

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

**Currently charting:** #189 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


## Frequently asked questions

### Is Rolled Paper Calculator free?

Rolled Paper Calculator is free to download, with no in-app purchases.

### Is Adding Machine 10Key Universal free?

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

### Which has better reviews, Rolled Paper Calculator or Adding Machine 10Key Universal?

Rolled Paper Calculator is rated higher. Rolled Paper Calculator averages 4.8 out of 5 from 28 ratings, while Adding Machine 10Key Universal averages 4.7 from 134 ratings.

### Do Rolled Paper Calculator or Adding Machine 10Key Universal have ads?

Rolled Paper Calculator shows ads; Adding Machine 10Key Universal does not.

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

Rolled Paper Calculator ships an update every 4 days, and Adding Machine 10Key Universal every 2 months. Most recently, Rolled Paper Calculator was updated on September 23, 2026 and Adding Machine 10Key Universal on September 26, 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.*