# Mahjong Forest vs Submarine Dive Master

The clearest difference is in-app purchases: Submarine Dive Master at none against Mahjong Forest's 7. Submarine Dive Master also leads on update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mahjong Forest sells 7 one-off in-app purchases. Submarine Dive Master asks for nothing beyond the download.

Mahjong Forest ships an update every 5 months, Submarine Dive Master weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mahjong Forest | Submarine Dive Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 180 MB | 137 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Erol ARPA](https://appshunter.io/developer/1872567945) | [建涛 钟](https://appshunter.io/developer/1516809739) |

## What reviewers say

### Mahjong Forest

[App page](https://appshunter.io/ios/app/mahjong-forestsolitaire-game/id1628116563)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Coins 350 | $2.99 | one-time |
| Max Heart | $2.99 | one-time |
| Coins 850 | $5.99 | one-time |
| Rolly's Pack | $6.99 | one-time |
| Journey Pack | $7.99 | one-time |
| Coins 5000 | $29.99 | one-time |


### Submarine Dive Master

[App page](https://appshunter.io/ios/app/submarine-dive-master/id6758430106)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mahjong Forest free?

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

### Is Submarine Dive Master free?

Submarine Dive Master is free to download, with no in-app purchases.

### Do Mahjong Forest or Submarine Dive Master have ads?

Both Mahjong Forest and Submarine Dive Master show ads.

### Which is updated more often, Mahjong Forest or Submarine Dive Master?

Mahjong Forest ships an update every 5 months, and Submarine Dive Master weekly. Most recently, Mahjong Forest was updated on October 27, 2026 and Submarine Dive Master on October 25, 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.*