# d20 Calculator vs Campfire

The clearest difference is review sentiment: d20 Calculator at 85% against Campfire's 44%. d20 Calculator also leads on rating (4.7 vs 4.3) and iOS requirement (9.0 vs 17.0). Campfire's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 5 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. d20 Calculator sells 1 one-off in-app purchase. Campfire asks for nothing beyond the download.

d20 Calculator holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 343 and 193 respectively. Written reviews point the same way: 85% of d20 Calculator's written reviews are positive against 44% of Campfire's.

d20 Calculator ships an update every 5 months, Campfire fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | d20 Calculator | Campfire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (343 ratings)](https://appshunter.io/ios/app/d20-calculator/id817035968/reviews)** | [4.3 (193 ratings)](https://appshunter.io/ios/app/campfire-write-your-book/id1626123915/reviews) |
| Number of ratings | **343** | 193 |
| Positive reviews | **85.5% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 76 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lion's Den](https://appshunter.io/developer/447965537) | [Campfire Technology LLC](https://appshunter.io/developer/1567961687) |

## What reviewers say

### d20 Calculator

[App page](https://appshunter.io/ios/app/d20-calculator/id817035968)

This app is a specialized calculator for tabletop role-playing games. It allows users to input complex dice roll combinations, including additions, subtractions, multiplications, and divisions, and provides instant results. Save custom rolls and enjoy realistic sound effects for an enhanced gaming experience.

**Highlights:** Calculate complex dice combinations, Support for any dice type (dx), Save and label frequently used rolls, Dice roll sound effects, Add, subtract, multiply, and divide dice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient dice rolling
- 👍 Simple and intuitive interface
- 💡 Ability to save frequently used dice rolls
- 🎲 Accurate and balanced random number generation
- 🔢 Versatile dice calculation capabilities

**What reviewers complain about**

- 🐛 Crashes and stability issues, especially on newer iOS versions
- 🔒 Inability to restore purchases or remove ads
- 📱 Lack of support for iPad multitasking features (Split View, Slide Over)
- 🔍 Limited customization options (e.g., no option to re-roll 1s)

**Reported bugs**

- Crashes when attempting to purchase the full version
- Crashes when trying to save more than one dice roll
- Ads still present even after purchasing the full version

**Requested features**

- Add support for iPad multitasking features
- Implement option to re-roll 1s or discard certain dice
- Improve saved roll management (e.g., ability to edit saved rolls)
- Add a character creation feature (4d6 drop lowest)


### Campfire

[App page](https://appshunter.io/ios/app/campfire-write-your-book/id1626123915)

This app streamlines the writing process for books, stories, and RPG campaigns. It offers interconnected tools for worldbuilding, character tracking, and plot organization, allowing for seamless collaboration and easy access to information. Write, edit, and organize your projects anywhere with unlimited storage.

**Highlights:** Custom character sheets, Worldbuilding tools (creatures, locations, magic), Timeline plotting and map uploads, Write, read, and edit on mobile, Collaborate with editors and contributors, Export to PDF, DOCX, HTML, RTF, Unlimited cloud storage

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Organized writing and planning
- 👍 Versatile and customizable
- 💡 Helpful for writers and world-builders
- 🚀 Syncs across devices

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Glitchy behavior and bugs
- 🐛 Keyboard issues and text disappearing
- 🐛 Laggy performance

**Reported bugs**

- Login issues and getting logged out
- Inability to delete unwanted elements
- Attributes and chapters disappearing
- Inconsistencies between mobile and desktop versions

**Requested features**

- Offline mode for travel
- Proper iPad/tablet support
- Word count feature
- Undo/redo functionality
- Ability to rearrange elements and panels


## Frequently asked questions

### Is d20 Calculator free?

d20 Calculator is free to download, with in-app purchases available.

### Is Campfire free?

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

### Which has better reviews, d20 Calculator or Campfire?

d20 Calculator is rated higher. d20 Calculator averages 4.7 out of 5 from 343 ratings, while Campfire averages 4.3 from 193 ratings.

### Do d20 Calculator or Campfire have ads?

Neither d20 Calculator nor Campfire shows ads.

### Which is updated more often, d20 Calculator or Campfire?

d20 Calculator ships an update every 5 months, and Campfire fortnightly. Most recently, d20 Calculator was updated on October 26, 2026 and Campfire on October 27, 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.*