# Solitaire vs Knightfire

The clearest difference is in-app purchases: Solitaire at none against Knightfire's 1. Knightfire's advantage is update cadence (weekly vs every 9 months) and iOS requirement (13.4 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Knightfire sells 1 one-off in-app purchase. Solitaire asks for nothing beyond the download.

Solitaire ships an update every 9 months, Knightfire weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Solitaire | Knightfire |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Size | 16 MB | 116 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kuo-Tsun Huang](https://appshunter.io/developer/1800107243) | [Roberto Garcia](https://appshunter.io/developer/1859499741) |

## What reviewers say

### Solitaire

[App page](https://appshunter.io/ios/app/solitaire-chess-game/id6742809581)

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

**In-app purchases:** none


### Knightfire

[App page](https://appshunter.io/ios/app/knightfire-strategy-chess/id6756245884)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knightfire Premium | $2.99 | one-time |


## Frequently asked questions

### Is Solitaire free?

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

### Is Knightfire free?

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

### Do Solitaire or Knightfire have ads?

Neither Solitaire nor Knightfire shows ads.

### Which is updated more often, Solitaire or Knightfire?

Solitaire ships an update every 9 months, and Knightfire weekly. Most recently, Solitaire was updated on October 25, 2026 and Knightfire on October 28, 2026.

---

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