# Calculation Solitaire vs Castle Solitaire

The clearest difference is review sentiment: Castle Solitaire at 68% against Calculation Solitaire's 25%. Castle Solitaire also leads on rating (4.8 vs 2.8) and update cadence (monthly vs every 12 months). Calculation Solitaire's advantage is in-app purchases (none vs 6) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Castle Solitaire sells 6 in-app purchases, starting at $1.99 per month. Calculation Solitaire asks for nothing beyond the download.

Castle Solitaire holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Castle Solitaire has 203K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of Calculation Solitaire's written reviews are positive against 68% of Castle Solitaire's.

Calculation Solitaire ships an update every 12 months, Castle Solitaire monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculation Solitaire | Castle Solitaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/calculation-solitaire/id938401085/reviews) | **[4.8 (203K ratings)](https://appshunter.io/ios/app/castle-solitaire-card-game/id1382466301/reviews)** |
| Number of ratings | 4 | **203K** |
| Positive reviews | 25.0% of reviews | **67.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | — | **#197** |
| Size | 18 MB | 363 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MmpApps Corp.](https://appshunter.io/developer/400209427) | [MobilityWare](https://appshunter.io/developer/284117362) |

## What reviewers say

### Calculation Solitaire

[App page](https://appshunter.io/ios/app/calculation-solitaire/id938401085)

A unique solitaire game where the objective is to move all cards to the foundation piles, but with a twist: foundation piles are built by stepping up by a specific number, ignoring suits. A hint card guides players through the challenging gameplay.

**Highlights:** Unique foundation building by number steps, Hint card for planning, Stashing columns for cards, Adjustable difficulty levels, Bonus game mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Castle Solitaire

[App page](https://appshunter.io/ios/app/castle-solitaire-card-game/id1382466301)

**Currently charting:** #197 Top Free · Card (US App Store)

A free card game where players build four castles by arranging cards of the same suit in descending order. Customize your experience with different backgrounds and earn new titles as you progress through levels. Enjoy exciting winning animations and a unique twist on classic solitaire gameplay.

**Highlights:** Build four castles from Ace to King, Arrange cards in descending order, Tap stockpile for more cards, Customizable backgrounds and card decks, Progress through levels and earn titles, Exciting winning animations

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Status 1 Month | $1.99 | per month |
| Premium Status 6 Months | $2.99 | per 6 months |
| Premium Status 3 Months | $4.99 | per 3 months |
| Premium Status 12 Months | $9.99 | per year |
| Premium Pass | $0.79 | one-time |
| Premium Pass | $0.99 | one-time |

**What reviewers like**

- 🏰 Challenging but enjoyable gameplay
- 🧠 Mentally stimulating
- 👍 Simple and intuitive design
- 🎨 Visually appealing animations and graphics
- 🕰️ Quick games perfect for short play sessions

**What reviewers complain about**

- 🔍 Ads too frequent and intrusive
- 🤯 Ads sometimes freeze the game
- 🔒 No option to pay for ad-free version
- 🚧 Occasional glitches and crashes

**Reported bugs**

- Ads that cannot be closed
- Game freezing or restarting unexpectedly

**Requested features**

- More variety in puzzle designs and castle themes
- Ability to replay favorite puzzle animations
- Option to disable auto-complete feature
- Progress tracking and achievements


## Frequently asked questions

### Is Calculation Solitaire free?

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

### Is Castle Solitaire free?

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

### Which has better reviews, Calculation Solitaire or Castle Solitaire?

Castle Solitaire is rated higher. Calculation Solitaire averages 2.8 out of 5 from 4 ratings, while Castle Solitaire averages 4.8 from 203K ratings.

### Do Calculation Solitaire or Castle Solitaire have ads?

Both Calculation Solitaire and Castle Solitaire show ads.

### Which is updated more often, Calculation Solitaire or Castle Solitaire?

Calculation Solitaire ships an update every 12 months, and Castle Solitaire monthly. Most recently, Calculation Solitaire was updated on October 24, 2026 and Castle Solitaire on October 24, 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.*