# Spy Chess vs Board Base

The clearest difference is in-app purchases: Spy Chess at none against Board Base's 2. Spy Chess also leads on update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Board Base sells 2 in-app purchases, starting at $0.99 per 7 days. Spy Chess asks for nothing beyond the download.

Spy Chess ships an update fortnightly, Board Base every 4 months. The most recent releases landed on September 14, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Spy Chess | Board Base |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 105 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [骐显 梁](https://appshunter.io/developer/1314814852) | [世英 王](https://appshunter.io/developer/1777588813) |

## 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


### Board Base

[App page](https://appshunter.io/ios/app/board-base/id6748384881)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |


## Frequently asked questions

### Is Spy Chess free?

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

### Is Board Base free?

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

### Do Spy Chess or Board Base have ads?

Neither Spy Chess nor Board Base shows ads.

### Which is updated more often, Spy Chess or Board Base?

Spy Chess ships an update fortnightly, and Board Base every 4 months. Most recently, Spy Chess was updated on September 14, 2026 and Board Base on August 19, 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.*