Comparison

Calamus vs Performance Check

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

Head to head
About

Calamus

Create expansive battlemaps with hand-drawn tiles for tabletop RPGs. Design custom character tokens and host real-time games where players can move their own pieces. Engage in robust chat, sending messages as yourself or any in-game token.

Highlights
  • Create large battlemaps
  • Dozens of hand-drawn tiles
  • Custom PC, NPC, FOE tokens
  • Host real-time games
  • Player character movement
  • Robust in-game chat
  • Send messages as tokens
Features
Read full description

The Calamus is a companion for tabletop roleplaying games, such as Dungeons & Dragons or Pathfinder, that allows you to create huge battlemaps utilizing dozens of hand-drawn tiles, create custom PC, NPC, and FOE tokens, and host games in which players can add and move their own characters in real-time. It also features a robust chat, in which you can send messages as yourself or any token you have in play, publicly or privately. You can find our Terms of Use and Privacy Policy here: http://trapstreetstudios.com/theCalamus/tos/

About

Performance Check

Test your Dungeons and Dragons knowledge with trivia or warm up roleplaying skills in a group guessing game. Features multiple guessing categories and hundreds of trivia questions about spells and more.

Highlights
  • Dungeons and Dragons trivia
  • Group guessing game (charades)
  • Multiple guessing categories
  • Hundreds of trivia questions
  • High scores and community competitions (coming soon)
Features
Read full description

Why. Need some fun games to play before your sessions? Want to test your Dungeons and Dragons knowledge? Then Performance Check is the app for you! Warm up your roleplaying skills in our group guessing game or test your knowledge in Dungeons and Dragons trivia! 2 Games. Whether you're in a group or by yourself, Performance Check has a game for your! Play charades in a group or enjoy some trivia by yourself. Trivia. Enjoy some challenging trivia and maybe learn a few things! Starting with our first category, Spells, test your magical might on hundreds of questions. High scores and community competitions coming soon! Guessing Game. Using simple and familiar heads up rules, rotate your device to the left or right to pass or gain a point. Let the fun begin! 7 Guessing Categories. Pick from 7 unique categories to test your parties' and all knowing Dungeon Master's knowledge of the vast world's of Dungeons and Dragons. Give it a try for free today! Social Media. Instagram @prismscroll Twitter @prismscroll Facebook @prismscroll Make sure to check out our other awesome PrismScroll Products. PrismScroll Player. PrismScroll is the last Dungeons and Dragons Character Sheet Builder you’ll ever need to download! Beautifully designed for your mobile devices, PrismScroll offers the most powerful combination between clean aesthetic and impressive functionality. Manage all your Dungeons and Dragons Fifth Edition characters in one place. PrismScrollDM. If you are a Dungeon Master, of any skill or experience, make sure to check out our all in one Dungeon Master resource. Specifically designed for you, gain access to the tools you need for running flawless and engaging sessions for your players. PrismScroll Sheets. Play a different pen and paper game or want to use your own custom sheet? Then PrismScroll Sheets is the app for you! With the ability to import images/PDF files, you can add editable elements (ex. textboxes, toggle buttons) to your sheet wherever you deem necessary to gain the same awesome functionality as the original PrismScroll 5E Player app. Disclaimer. Content in this game is from/related to the Dungeons and Dragons 5th Edition Roleplaying Game. Performance Check is released for free under the Wizards of the Coast Fan Content Policy. PrismScroll is not affiliated with or sponsored by Wizards of the Coast or Dungeons and Dragons

Screenshots

Calamus4 screens
Performance Check4 screens

Verdict

The call

The clearest difference is review sentiment: Performance Check at 80% against Calamus's 33%. Performance Check also leads on rating (4.3 vs 3.3). Calamus's advantage is iOS requirement (11.0 vs 13.0). On price, ratings volume, update cadence and ads 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. Calamus sells 15 in-app purchases, starting at $0.99 per month and Performance Check sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Performance Check holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 83 and 29 respectively. Written reviews point the same way: 33% of Calamus's written reviews are positive against 80% of Performance Check's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Calamus versus Performance Check: the parameters behind the verdict, then further details
ParameterCalamusPerformance Check
PriceFreeFree
Rating3.3 (83 ratings)4.3 (29 ratings) — better
Positive reviews32.5% of reviews80.0% of reviews — better
Number of ratings83 — better29
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size46 MB49 MB
Age rating4++9
DeveloperTrapStreet StudiosSamuel Harmon

Customer experience

Calamus

All ratings83 ratings
Positive51.8%
Neutral16.9%
Negative31.3%
Written reviews40 reviews
Positive32.5%
Neutral17.5%
Negative50.0%

Performance Check

All ratings29 ratings
Positive79.3%
Neutral10.3%
Negative10.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

Calamus

Reported bugs

40 issues
  • No undo option
  • Walls erase when removing objects
  • Rune password login issues
  • Water turns light blue when saving/cropping
  • App repeatedly asks for password
Show 35 more
  • Pop-ups are disruptive
  • Download issues
  • Support issues
  • Map saving issues
  • App crashes
  • Broken text formatting
  • Tabs do not work
  • Program freezes while placing tiles
  • Login issues after canceling subscription
  • Pinch and pull zoom doesn't work
  • Erase button in wrong menu
  • Forced password system
  • Locked out if away from app for too long
  • Not designed for mobile user experience
  • Maps don't save properly
  • App never loads
  • Never got to do much of anything
  • Non-functional, never makes it past loading screen
  • Monetization model kills it
  • Forced subscription after idle period
  • Limited variety of items
  • Cannot download saved maps
  • App asks for subscription after payment
  • Free app with subscription service
  • Too complicated login process
  • Freezes when adding players
  • Rune password is confusing
  • Subscription is a big problem
  • Keeps locking, requires frequent passcode entry
  • Slowdown on larger maps
  • Text is incredibly small
  • Menu screen swipe function doesn't work
  • Cannot figure out rune password
  • Slow learning curve
  • No simple tutorial

Requested features

18 requests
  • Add undo option
  • Improve Apple Pencil support
  • Add more assets like columns
  • Add desert themed items
  • Add steering wheel and crows nest
Show 13 more
  • Add fungi for underdark maps
  • Allow watching ads instead of subscription
  • Fix water color issue when saving/cropping
  • Improve login process
  • Add more variety of items
  • Allow downloading saved maps to device
  • Implement a one-time purchase option
  • Add more content
  • Change rune password system to typed password or tap option
  • Add more VTT features
  • Provide a simple tutorial
  • Allow maps to be exported as PDFs
  • Allow maps to be printed

Performance Check

Not enough reviews yet to summarise bugs or requests.

In-app purchases

15 purchases

Calamus

Subscriptions5
  • Calamus Player Only$0.991 Month
  • Full Version - Monthly$2.991 Month
  • Calamus Monthly Subscription$3.491 Month
Show 2 more
  • Full Version - Yearly$29.991 Year
  • Calamus Yearly Subscription$39.991 Year
One-time10
  • More Tokens Slots (12)$0.99
  • More Tokens Slots (30)$0.99
  • More Tokens Slots (24)$0.99
Show 7 more
  • All Epic Token Icons$0.99
  • 2x2 Token Ring$0.99
  • More Map Slots (6)$0.99
  • More Tokens Slots (6)$0.99
  • Full Roommaker$1.99
  • All Epic Token Rings$2.99
  • Player Enhanced Version$2.99
2 purchases

Performance Check

One-time2
  • Remove Ads$0.99
  • Create Charade Groups$0.99

Questions

Is Calamus free?
Calamus is free to download, with in-app purchases available.
Is Performance Check free?
Performance Check is free to download, with in-app purchases available.
Which has better reviews, Calamus or Performance Check?
Performance Check is rated higher. Calamus averages 3.3 out of 5 from 83 ratings, while Performance Check averages 4.3 from 29 ratings.
Do Calamus or Performance Check have ads?
Neither Calamus nor Performance Check shows ads.
Which is updated more often, Calamus or Performance Check?
Calamus ships an update monthly, and Performance Check monthly. Most recently, Calamus was updated on October 10, 2026 and Performance Check on September 30, 2026.

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