# 乌云象棋 vs Spy Chess

The clearest difference is review sentiment: 乌云象棋 at 100% against Spy Chess's 50%. Spy Chess's advantage is update cadence (fortnightly vs every 60 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

乌云象棋 ships an update every 60 months, Spy Chess fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 乌云象棋 | Spy Chess |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 60 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 71 MB | 105 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [爽 杨](https://appshunter.io/developer/1542328811) | [骐显 梁](https://appshunter.io/developer/1314814852) |

## What reviewers say

### 乌云象棋

[App page](https://appshunter.io/ios/app/id1542429258)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spy Chess

[App page](https://appshunter.io/ios/app/spy-chess/id6446029675)

Experience a unique twist on chess with a 9x9 board and undercover agents. Strategize with special units, fortresses, and the ability to infiltrate enemy ranks. Advance your pieces for new abilities and tactical advantages.

**Highlights:** 9x9 Chessboard, Undercover Agents, Fortress Mechanics, Unit Advancement, Infiltration and Betrayal, Unique Piece Abilities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 乌云象棋 free?

乌云象棋 is free to download, with no in-app purchases.

### Is Spy Chess free?

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

### Do 乌云象棋 or Spy Chess have ads?

Neither 乌云象棋 nor Spy Chess shows ads.

### Which is updated more often, 乌云象棋 or Spy Chess?

乌云象棋 ships an update every 60 months, and Spy Chess fortnightly. Most recently, 乌云象棋 was updated on October 24, 2026 and Spy Chess on October 18, 2026.

---

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