# Roman Numeral vs PromptLeaf

The clearest difference is price: PromptLeaf at Free against Roman Numeral's $0.99. PromptLeaf also leads on ads (none vs shown) and update cadence (every 3 days vs every 69 months). Roman Numeral's advantage is in-app purchases (none vs 1) and iOS requirement (14.1 vs 16.0). On device support there is nothing between them.

PromptLeaf is free to download; Roman Numeral costs $0.99 up front. PromptLeaf sells 1 one-off in-app purchase. Roman Numeral asks for nothing beyond the download.

Roman Numeral ships an update every 69 months, PromptLeaf every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Roman Numeral | PromptLeaf |
| --- | --- | --- |
| Price | $0.99 | **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** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 69 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 4 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [献慧 陈](https://appshunter.io/developer/1896370005) |

## 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


### PromptLeaf

[App page](https://appshunter.io/ios/app/promptleaf/id6762447077)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perpetual interest | $0.99 | one-time |


## Frequently asked questions

### Is Roman Numeral free?

Roman Numeral costs $0.99, with no in-app purchases.

### Is PromptLeaf free?

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

### Do Roman Numeral or PromptLeaf have ads?

Roman Numeral shows ads; PromptLeaf does not.

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

Roman Numeral ships an update every 69 months, and PromptLeaf every 3 days. Most recently, Roman Numeral was updated on October 26, 2026 and PromptLeaf on October 24, 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.*