# The Visual Key vs Mahjong Pocket Coach

The clearest difference is in-app purchases: The Visual Key at none against Mahjong Pocket Coach's 9. The Visual Key also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mahjong Pocket Coach sells 9 in-app purchases, starting at $1.99 per 7 days. The Visual Key asks for nothing beyond the download.

The Visual Key ships an update every 3 days, Mahjong Pocket Coach every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Visual Key | Mahjong Pocket Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 74 MB | 107 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEMANTIC TECHNOLOGIES LLC](https://appshunter.io/developer/1777357874) | [芳 邵](https://appshunter.io/developer/1866841468) |

## What reviewers say

### The Visual Key

[App page](https://appshunter.io/ios/app/the-visual-key/id6737673560)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mahjong Pocket Coach

[App page](https://appshunter.io/ios/app/mahjong-pocket-coach/id6761374294)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 周会员 | $1.99 | per 7 days |
| one month membership | $1.99 | per month |
| one month membership | $1.99 | per month |
| one year membership | $7.99 | per year |
| Annual Pro | $9.99 | per year |
| one year membership | $14.99 | per year |
| Today's Pass | $0.99 | one-time |
| mohjong course | $7.99 | one-time |
| Lifetime Pro | $14.99 | one-time |


## Frequently asked questions

### Is The Visual Key free?

The Visual Key is free to download, with no in-app purchases.

### Is Mahjong Pocket Coach free?

Mahjong Pocket Coach is free to download, with in-app purchases available.

### Do The Visual Key or Mahjong Pocket Coach have ads?

Neither The Visual Key nor Mahjong Pocket Coach shows ads.

### Which is updated more often, The Visual Key or Mahjong Pocket Coach?

The Visual Key ships an update every 3 days, and Mahjong Pocket Coach every 9 days. Most recently, The Visual Key was updated on November 8, 2026 and Mahjong Pocket Coach on October 31, 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.*