Comparison

Feudz Dice Roller vs DriveThruRPG Library

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Feudz Dice Roller

This app simplifies tabletop gaming by handling complex dice rolls and coin flips. It's designed for role-playing games, allowing users to focus on gameplay rather than calculations with an intuitive interface.

Highlights
  • Handles single die rolls and coin flips
  • Supports complex combinations of dice
  • Organize rolls by character or game
  • Auto-saving of roll formulas
  • Custom keyboard for fast entry
  • Displays current and previous rolls
Features
Read full description

Feudz Dice Roller is the must-have iPhone app for tabletop gamers. From simple single-die rolls and coin flips to complex combinations of multiple dice, Feudz makes it easy to focus on your game instead of the math. Feudz Dice Roller is ideal for players of Dungeons & Dragons (D&D), Pathfinder, GURPS, d20 Modern, and other tabletop role-playing games. Whether you need a quick d20 roll or a complicated combination of dice, you're never more than three taps away. The interface stays clean, fast, and easy to understand. FEATURES: + A beautiful and simple interface + Multiple Complex Roll Fields for rolls such as 3d10 + 2d6 – 4 + Compound Rolls such as 1d10 + [SneakAttack] or even [Level]d6. + Organize your rolls by character or game + Auto-Saving prevents reentering formulas + Optional Anti-lock prevents phone from going to sleep between rolls + Custom keyboard for fast entry (not found in other apps), puts +, -, d and 0-9 on one keyboard. + Single die tally and reset quickly adds small combinations + Current roll and previous roll displayed

About

DriveThruRPG Library

Easily sync and organize your entire collection of RPG files on your mobile device. Keep your digital library updated automatically and access any file with your preferred viewer. Access purchases from various OneBookShelf sites.

Highlights
  • Sync entire library to device
  • Organize by publisher/rule system
  • Custom collection organization
  • Automatic file updates
  • Open files in favorite viewer
  • Access OneBookShelf purchases
Features
Read full description

This app allows you to sync your DriveThruRPG Library easily to your mobile device and keep it organized for easy access. - Sync your entire Library to your device easily. - Organize all of your RPG files by publisher and/or by rule system. - Organize your library using custom Collections that you define. - Automatically keep your files up to date. When you run a Library sync in the app, it can download new files for any titles that publishers have updated since your last download. - Click to Open any file in your favorite viewer. - Get files you've purchased at any OneBookShelf site, including DriveThruRPG, RPGNow, WargameVault, DMsGuild, DriveThruComics, DriveThruFiction, and more.

Screenshots

Feudz Dice Roller4 screens
DriveThruRPG Library4 screens

Verdict

The call

The clearest difference is review sentiment: Feudz Dice Roller at 84% against DriveThruRPG Library's 29%. Feudz Dice Roller also leads on rating (5.0 vs 3.1) and update cadence (every 3 weeks vs every 9 months). DriveThruRPG Library's advantage is in-app purchases (none vs 1) and ratings volume (31 vs 4). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Feudz Dice Roller sells 1 one-off in-app purchase. DriveThruRPG Library asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Feudz Dice Roller holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: DriveThruRPG Library has 31 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 84% of Feudz Dice Roller's written reviews are positive against 29% of DriveThruRPG Library's.

UpkeepUpdate frequency

Feudz Dice Roller ships an update every 3 weeks, DriveThruRPG Library every 9 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 3 level
Feudz Dice Roller versus DriveThruRPG Library: the parameters behind the verdict, then further details
ParameterFeudz Dice RollerDriveThruRPG Library
PriceFreeFree
Rating5.0 (4 ratings) — better3.1 (31 ratings)
Positive reviews84.2% of reviews — better29.2% of reviews
Number of ratings431 — better
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.614.5 — better
Further details — not scored
Size48 MB49 MB
Age rating4+12+
DeveloperWe Do NothingOneBookShelf, Inc.

Customer experience

Feudz Dice Roller

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews19 reviews
Positive84.2%
Neutral10.5%
Negative5.3%

DriveThruRPG Library

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews65 reviews
Positive29.2%
Neutral15.4%
Negative55.4%

Bugs and requests

Feudz Dice Roller

Not enough reviews yet to summarise bugs or requests.

DriveThruRPG Library

Reported bugs

65 issues
  • App flashes logo and crashes
  • App won't launch
  • App crashes on start
  • Login doesn't work
  • Syncing problem
Show 60 more
  • Downloads not going when not focused
  • Occasional trouble downloading
  • Continually shows error in downloading process
  • Endless errors and failed downloads
  • App won't open on iPad Air 2
  • Pinch-zooming behaves oddly
  • Pages load when on-screen, cache cleared when off-screen
  • Latest update causes crashing on start
  • Newest version doesn't start on iOS 15.8.5
  • Struggle to download library on iOS
  • Cannot open files on iPad
  • Tapping title just selects/unselects
  • No button or option to open PDF
  • Internal server error on login
  • Network errors
  • App hangs
  • Says not connected to internet
  • Failed to create collections
  • Refuses to sync
  • Error refreshing library
  • Invalid server response
  • Problems with synchronization
  • Thumbnails almost never load
  • App thinks I'm not connected to the internet
  • No response from developer
  • Advertising app that doesn't work
  • Error stating to check internet connection
  • Error has existed for quite some time
  • Constantly getting error saying there's no internet
  • Always errors no matter what Wi-Fi
  • Complains about Internet connection when other apps work
  • Message to check internet connection
  • Won't synch
  • Login is weird, email+password didn't work
  • Login not possible
  • Files organised by publisher is not useful
  • Interface not re-sizeable
  • Navigation poor; returns to start of list
  • Selecting multiple titles doesn't de-select automatically
  • Collections duplicating
  • Deleting duplicated collection deletes all instances
  • Collections need to be more visible
  • No horizontal page swipe controls
  • Does not use the Files app
  • UI doesn't use built-in iPadOS features
  • Cannot find way to customize download folder
  • Overall UI not intuitive
  • Collections does not work
  • Pop up error when creating collections
  • Logged in to a library with only one title
  • Getting duplicates and triplicates of books
  • App is totally broken
  • Downloads random things, not well built
  • No progress indicators for downloading
  • Not designed for portrait mode
  • Doesn't provide a way to open downloaded files in choice of PDF reader
  • Doesn't provide a way to use modern file management tools
  • Uses built-in minimal PDF viewer tools
  • No bookmarking, annotations, or other rich interaction
  • No means for extracting/viewing contents of zips

Requested features

25 requests
  • Add landscape for iPhones
  • Add notification or live activity for downloads
  • Add iCloud storage option for MacOS/iPad
  • Add bookmarking system
  • Add horizontal page swipe controls
Show 20 more
  • Allow choosing download location
  • Integrate with Files app
  • Support zip files
  • Support extracting zip files
  • Add a clear button to the search bar
  • Improve filtering options
  • Add a dark mode option
  • Improve PDF viewer functionality
  • Allow shop access within the app
  • Filter by shop filters
  • Remember position in a book
  • Improve UI to follow Apple's standards
  • Allow customization of download folder
  • Add a phone version
  • Improve navigation to avoid returning to start of list
  • Make collections more visible
  • Filter for uncollected titles
  • Manage collections from web interface
  • Add ability to move from top of list to bottom
  • Fix duplicate book entries

In-app purchases

1 purchases

Feudz Dice Roller

One-time1
  • Pro Upgrade$1.99
None

DriveThruRPG Library

No in-app purchases

Questions

Is Feudz Dice Roller free?
Feudz Dice Roller is free to download, with in-app purchases available.
Is DriveThruRPG Library free?
DriveThruRPG Library is free to download, with no in-app purchases.
Which has better reviews, Feudz Dice Roller or DriveThruRPG Library?
Feudz Dice Roller is rated higher. Feudz Dice Roller averages 5.0 out of 5 from 4 ratings, while DriveThruRPG Library averages 3.1 from 31 ratings.
Do Feudz Dice Roller or DriveThruRPG Library have ads?
Neither Feudz Dice Roller nor DriveThruRPG Library shows ads.
Which is updated more often, Feudz Dice Roller or DriveThruRPG Library?
Feudz Dice Roller ships an update every 3 weeks, and DriveThruRPG Library every 9 months. Most recently, Feudz Dice Roller was updated on October 23, 2026 and DriveThruRPG Library on October 26, 2026.

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