# Spy Chess vs 军旗

The clearest difference is ads: Spy Chess at none against 军旗's shown. On price, update cadence, 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.

Spy Chess ships an update fortnightly, 军旗 monthly. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Spy Chess | 军旗 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 105 MB | 28 MB |
| Requires iOS | **12.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [骐显 梁](https://appshunter.io/developer/1314814852) | [志鹏 郎](https://appshunter.io/developer/1873215386) |

## What reviewers say

### 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


### 军旗

[App page](https://appshunter.io/ios/app/and/id6758651535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spy Chess free?

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

### Is 军旗 free?

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

### Do Spy Chess or 军旗 have ads?

军旗 shows ads; Spy Chess does not.

### Which is updated more often, Spy Chess or 军旗?

Spy Chess ships an update fortnightly, and 军旗 monthly. Most recently, Spy Chess was updated on September 14, 2026 and 军旗 on September 20, 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.*