# Calculator· vs Roman Numbers

The clearest difference is in-app purchases: Roman Numbers at none against Calculator·'s 3. Roman Numbers also leads on update cadence (every 11 days vs every 3 months) and review sentiment (100% vs 84%). Calculator·'s advantage is ratings volume (34K vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Calculator· sells 3 in-app purchases, starting at $0.99 per month. Roman Numbers asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Calculator· against 5.0 for Roman Numbers. That said, the two scores are not equally well evidenced: Calculator· has 34K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 84% of Calculator·'s written reviews are positive against 100% of Roman Numbers's.

Calculator· ships an update every 3 months, Roman Numbers every 11 days. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calculator· | Roman Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (34K ratings)](https://appshunter.io/ios/app/calculator/id554836784/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roman-numbers/id1485298435/reviews)** |
| Number of ratings | **34K** | 1 |
| Positive reviews | 84.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 47 MB | 3 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) | [Yurii Sushko](https://appshunter.io/developer/1368611820) |

## What reviewers say

### Calculator·

[App page](https://appshunter.io/ios/app/calculator/id554836784)

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

**Highlights:** Basic arithmetic operations, Percentage calculations, Multiple color schemes, Copy results, Square, square root, inverse functions, iPad Split View support, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade App | $0.99 | per month |
| Upgrade App | $4.99 | per year |
| Upgrade App | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Quick and responsive
- 💡 Percentage function works well
- 👍 Large, clear buttons
- 👍 Straightforward, no-frills design

**What reviewers complain about**

- 🔋 Frequent ads can be distracting
- 🐛 Occasional crashes or freezes
- 🔒 Lack of customization options
- 💡 No backspace/undo function
- 💡 Missing advanced features like memory

**Reported bugs**

- Crashes when performing long calculations
- Freezes when opening the app
- Incorrect results for some complex calculations

**Requested features**

- Add a backspace/undo button
- Implement a history/memory feature
- Provide more customization options
- Reduce frequency of ads


### Roman Numbers

[App page](https://appshunter.io/ios/app/roman-numbers/id1485298435)

Easily convert between standard numbers and Roman numerals. This utility also includes key historical dates from Ancient Rome.

**Highlights:** Number to Roman numeral conversion, Roman numeral to number conversion, Ancient Roman historical dates, Simple user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator· free?

Calculator· is free to download, with in-app purchases available.

### Is Roman Numbers free?

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

### Which has better reviews, Calculator· or Roman Numbers?

Roman Numbers is rated higher. Calculator· averages 4.9 out of 5 from 34K ratings, while Roman Numbers averages 5.0 from 1 ratings.

### Do Calculator· or Roman Numbers have ads?

Both Calculator· and Roman Numbers show ads.

### Which is updated more often, Calculator· or Roman Numbers?

Calculator· ships an update every 3 months, and Roman Numbers every 11 days. Most recently, Calculator· was updated on October 28, 2026 and Roman Numbers on October 20, 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.*