# Shogi Lab vs Pentago

The clearest difference is in-app purchases: Pentago at none against Shogi Lab's 1. Pentago also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Shogi Lab sells 1 one-off in-app purchase. Pentago asks for nothing beyond the download.

## The numbers

| Metric | Shogi Lab | Pentago |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 38 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [koji ozono](https://appshunter.io/developer/1826482515) | [Tyrique Zimbizi](https://appshunter.io/developer/6790410046) |

## What reviewers say

### Shogi Lab

[App page](https://appshunter.io/ios/app/shogi-lab-sunfish-engine/id6757245157)

This shogi app offers a full-featured engine for analysis and gameplay. Enjoy intuitive controls, real-time evaluation during matches, and comprehensive game record replay. Play online with rankings or offline against adjustable CPU opponents.

**Highlights:** In-game analysis with real-time evaluation, Thinking time visualization, Key move detection, Game record replay and analysis, Online ranked matches, Adjustable CPU strength, Save and resume matches

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shogi Lab Pro | $3.99 | one-time |


### Pentago

[App page](https://appshunter.io/ios/app/pentago/id6790409638)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shogi Lab free?

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

### Is Pentago free?

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

### Do Shogi Lab or Pentago have ads?

Shogi Lab shows ads; Pentago does not.

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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.*