# Roman Numeral vs SourceCanvas

The clearest difference is ads: SourceCanvas at none against Roman Numeral's shown. SourceCanvas also leads on update cadence (every 3 weeks vs every 69 months). Roman Numeral's advantage is iOS requirement (14.1 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Roman Numeral ships an update every 69 months, SourceCanvas every 3 weeks. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Roman Numeral | SourceCanvas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/roman-numeral/id637332796/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 69 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 22 MB |
| Requires iOS | **14.1** | 18.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [音建 何](https://appshunter.io/developer/1676875589) |

## What reviewers say

### Roman Numeral

[App page](https://appshunter.io/ios/app/roman-numeral/id637332796)

Easily convert between standard numbers and Roman numerals. Input a numeric value to see its Roman numeral equivalent, or input a Roman numeral to get its numeric form.

**Highlights:** Numeric to Roman numeral conversion, Roman numeral to numeric conversion, Simple and intuitive interface, Supports all standard Roman numerals

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

**In-app purchases:** none


### SourceCanvas

[App page](https://appshunter.io/ios/app/sourcecanvas/id6760475425)

**In-app purchases:** none


## Frequently asked questions

### Is Roman Numeral free?

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

### Is SourceCanvas free?

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

### Do Roman Numeral or SourceCanvas have ads?

Roman Numeral shows ads; SourceCanvas does not.

### Which is updated more often, Roman Numeral or SourceCanvas?

Roman Numeral ships an update every 69 months, and SourceCanvas every 3 weeks. Most recently, Roman Numeral was updated on October 14, 2026 and SourceCanvas on October 5, 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.*