# Calculator⁻ vs Roman Numbers

The clearest difference is review sentiment: Roman Numbers at 100% against Calculator⁻'s 52%. Roman Numbers also leads on rating (5.0 vs 4.4) and update cadence (every 11 days vs every 2 months). Calculator⁻'s advantage is ratings volume (3.6K vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Roman Numbers holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Calculator⁻ has 3.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 52% of Calculator⁻'s written reviews are positive against 100% of Roman Numbers's.

Calculator⁻ ships an update every 2 months, Roman Numbers every 11 days. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calculator⁻ | Roman Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (3.6K ratings)](https://appshunter.io/ios/app/calculator/id1327796464/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/roman-numbers/id1485298435/reviews)** |
| Number of ratings | **3.6K** | 1 |
| Positive reviews | 52.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 4 MB | 3 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UniCom Technology](https://appshunter.io/developer/1270764210) | [Yurii Sushko](https://appshunter.io/developer/1368611820) |

## What reviewers say

### Calculator⁻

[App page](https://appshunter.io/ios/app/calculator/id1327796464)

A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.

**Highlights:** Basic arithmetic operations, Percentage calculations, Record and recall results, Customizable colors, Touch sound option

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient calculations
- 💡 Retro design
- 👍 Simple and straightforward

**What reviewers complain about**

- 🐛 Decimal point issues
- 🐛 Incorrect calculations
- 🐛 Broken buttons
- 🔍 Confusing button layout

**Reported bugs**

- Decimal point problem: .5 becomes 5
- Button that should be 7 shows as 9 and gives 9 when used
- Percentage button does not work correctly

**Requested features**

- Backspace button
- Percentage button that works properly
- Arrange buttons in standard calculator layout


### 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 no in-app purchases.

### 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 4.4 out of 5 from 3.6K 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 2 months, and Roman Numbers every 11 days. Most recently, Calculator⁻ was updated on October 29, 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.*