# SG Chess vs Chess 3D Pro Trainer

The clearest difference is ads: SG Chess at none against Chess 3D Pro Trainer's shown. Chess 3D Pro Trainer's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

SG Chess ships an update every 3 weeks, Chess 3D Pro Trainer every 5 days. Both last shipped on October 4, 2026.

## The numbers

| Metric | SG Chess | Chess 3D Pro Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 169 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OneTurf Universe](https://appshunter.io/developer/1751872647) | [famobi](https://appshunter.io/developer/933760663) |

## What reviewers say

### SG Chess

[App page](https://appshunter.io/ios/app/sg-chess/id6739932129)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess 3D Pro Trainer

[App page](https://appshunter.io/ios/app/chess-3d-pro-trainer/id6740913562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SG Chess free?

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

### Is Chess 3D Pro Trainer free?

Chess 3D Pro Trainer is free to download, with no in-app purchases.

### Do SG Chess or Chess 3D Pro Trainer have ads?

Chess 3D Pro Trainer shows ads; SG Chess does not.

### Which is updated more often, SG Chess or Chess 3D Pro Trainer?

SG Chess ships an update every 3 weeks, and Chess 3D Pro Trainer every 5 days. Most recently, SG Chess was updated on October 4, 2026 and Chess 3D Pro Trainer on October 4, 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.*