# Shogi Thinking Training vs Stone Grid

The clearest difference is ads: Shogi Thinking Training at none against Stone Grid's shown. Stone Grid's advantage is update cadence (every 3 days vs weekly) and iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Shogi Thinking Training sells 3 one-off in-app purchases and Stone Grid sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Shogi Thinking Training ships an update weekly, Stone Grid every 3 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Shogi Thinking Training | Stone Grid |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 36 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hikari Shimizu](https://appshunter.io/developer/1881509812) | [SeungHoon Kam](https://appshunter.io/developer/453411861) |

## What reviewers say

### Shogi Thinking Training

[App page](https://appshunter.io/ios/app/shogi-thinking-training/id6760323501)

Hone your midgame strategy with next-move problems designed to improve your ability to analyze situations and select the best move in real games. This app offers a continuous supply of AI-generated problems for motivated learners aiming to reduce judgment errors and enhance their tactical skills.

**Highlights:** Next-move problem generation, Focus on midgame situations, Review solved problems, AI-generated questions, Daily learning integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 三間飛車 vs 右四間飛車 | $5.99 | one-time |
| ショーダンシステム研究ノート | $5.99 | one-time |
| 右玉 vs 角換わり | $6.99 | one-time |


### Stone Grid

[App page](https://appshunter.io/ios/app/stone-grid-gomoku/id6772341849)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Banner Ads | $2.99 | one-time |


## Frequently asked questions

### Is Shogi Thinking Training free?

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

### Is Stone Grid free?

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

### Do Shogi Thinking Training or Stone Grid have ads?

Stone Grid shows ads; Shogi Thinking Training does not.

### Which is updated more often, Shogi Thinking Training or Stone Grid?

Shogi Thinking Training ships an update weekly, and Stone Grid every 3 days. Most recently, Shogi Thinking Training was updated on October 6, 2026 and Stone Grid on October 11, 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.*