# Stack Snap 3D vs Checkmate

The clearest difference is in-app purchases: Stack Snap 3D at none against Checkmate's 4. Stack Snap 3D also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.2). Checkmate's advantage is update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Checkmate sells 4 one-off in-app purchases. Stack Snap 3D asks for nothing beyond the download.

Stack Snap 3D ships an update every 2 months, Checkmate fortnightly. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Stack Snap 3D | Checkmate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/checkmate-chess-puzzles/id6755747166/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 2 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Meetanshi Technologies LLP](https://appshunter.io/developer/1649028041) | [Emotion Computer, LLC](https://appshunter.io/developer/1804679421) |

## What reviewers say

### Stack Snap 3D

[App page](https://appshunter.io/ios/app/stack-snap-3d/id6753793162)

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

**In-app purchases:** none


### Checkmate

[App page](https://appshunter.io/ios/app/checkmate-chess-puzzles/id6755747166)

Sharpen your chess tactics with a daily "Mate in X" puzzle. Each challenge is drawn from real games and offers instant feedback on your moves. Perfect for quick daily practice or in-depth tactical training.

**Highlights:** Daily Mate in X challenges, Instant move feedback, AI Trainer for scenarios, Real chess positions, Tactical vision sharpening

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Bundle Small | $2.99 | one-time |
| Coin Bundle Medium | $4.99 | one-time |
| Coin Bundle Large | $9.99 | one-time |
| Coin Bundle Extreme | $19.99 | one-time |


## Frequently asked questions

### Is Stack Snap 3D free?

Stack Snap 3D is free to download, with no in-app purchases.

### Is Checkmate free?

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

### Do Stack Snap 3D or Checkmate have ads?

Neither Stack Snap 3D nor Checkmate shows ads.

### Which is updated more often, Stack Snap 3D or Checkmate?

Stack Snap 3D ships an update every 2 months, and Checkmate fortnightly. Most recently, Stack Snap 3D was updated on September 8, 2026 and Checkmate on June 1, 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.*