# Knightfire vs TriangleGo

The clearest difference is in-app purchases: TriangleGo at none against Knightfire's 1. TriangleGo also leads on update cadence (every 2 days vs weekly). Knightfire's advantage is ads (none vs shown) and iOS requirement (13.4 vs 17.0). On price and device support there is nothing between them.

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

Knightfire ships an update weekly, TriangleGo every 2 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Knightfire | TriangleGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 116 MB | 135 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Roberto Garcia](https://appshunter.io/developer/1859499741) | [Jinshik Oh](https://appshunter.io/developer/6772719086) |

## What reviewers say

### 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 |


### TriangleGo

[App page](https://appshunter.io/ios/app/trianglego/id6772719084)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knightfire free?

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

### Is TriangleGo free?

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

### Do Knightfire or TriangleGo have ads?

TriangleGo shows ads; Knightfire does not.

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

Knightfire ships an update weekly, and TriangleGo every 2 days. Most recently, Knightfire was updated on October 6, 2026 and TriangleGo 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.*