# Calamus vs On Thin Ice!

The clearest difference is price: Calamus at Free against On Thin Ice!'s $0.99. Calamus also leads on iOS requirement (11.0 vs 15.1). On Thin Ice!'s advantage is in-app purchases (none vs 15). On ads and device support there is nothing between them.

Calamus is free to download; On Thin Ice! costs $0.99 up front. Calamus sells 15 in-app purchases, starting at $0.99 per month. On Thin Ice! asks for nothing beyond the download.

## The numbers

| Metric | Calamus | On Thin Ice! |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.3 (83 ratings)](https://appshunter.io/ios/app/calamus/id1457518364/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 188 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TrapStreet Studios](https://appshunter.io/developer/1457518363) | [Jonathan Kohn](https://appshunter.io/developer/6799470239) |

## 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


### On Thin Ice!

[App page](https://appshunter.io/ios/app/on-thin-ice/id6802327046)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calamus free?

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

### Is On Thin Ice! free?

On Thin Ice! costs $0.99, with no in-app purchases.

### Do Calamus or On Thin Ice! have ads?

Neither Calamus nor On Thin Ice! shows ads.

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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.*