# Calamus vs Performance Check

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.

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.

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.

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

## The numbers

| Metric | Calamus | Performance Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (83 ratings)](https://appshunter.io/ios/app/calamus/id1457518364/reviews) | **[4.3 (29 ratings)](https://appshunter.io/ios/app/performance-check/id1482446767/reviews)** |
| Number of ratings | **83** | 29 |
| Positive reviews | 32.5% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 49 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +9 |
| Developer | [TrapStreet Studios](https://appshunter.io/developer/1457518363) | [Samuel Harmon](https://appshunter.io/developer/1200962193) |

## What reviewers say

### Calamus

[App page](https://appshunter.io/ios/app/calamus/id1457518364)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calamus Player Only | $0.99 | per month |
| Full Version - Monthly | $2.99 | per month |
| Calamus Monthly Subscription | $3.49 | per month |
| Full Version - Yearly | $29.99 | per year |
| Calamus Yearly Subscription | $39.99 | per year |
| More Tokens Slots (12) | $0.99 | one-time |
| More Tokens Slots (30) | $0.99 | one-time |
| More Tokens Slots (24) | $0.99 | one-time |
| All Epic Token Icons | $0.99 | one-time |
| 2x2 Token Ring | $0.99 | one-time |
| More Map Slots (6) | $0.99 | one-time |
| More Tokens Slots (6) | $0.99 | one-time |
| Full Roommaker | $1.99 | one-time |
| All Epic Token Rings | $2.99 | one-time |
| Player Enhanced Version | $2.99 | one-time |

**What reviewers like**

- 🎨 Pretty interface and icons
- 👍 Easy to start making maps
- 💡 Great for D&D campaigns
- 👍 Good art style
- 🚀 Fast to fix bugs

**What reviewers complain about**

- ❌ Difficult to correct mistakes
- ❌ No undo option
- ❌ Clunky with Apple Pencil
- ❌ Missing assets even with subscription
- ❌ Walls erase when removing objects

**Reported bugs**

- No undo option
- Walls erase when removing objects
- Rune password login issues
- Water turns light blue when saving/cropping
- App repeatedly asks for password

**Requested features**

- Add undo option
- Improve Apple Pencil support
- Add more assets like columns
- Add desert themed items
- Add steering wheel and crows nest


### Performance Check

[App page](https://appshunter.io/ios/app/performance-check/id1482446767)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Create Charade Groups | $0.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*