# Submarine Dive Master vs HaloStack

The clearest difference is iOS requirement: Submarine Dive Master at 13.0 against HaloStack's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Submarine Dive Master ships an update weekly, HaloStack every 11 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Submarine Dive Master | HaloStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 11 days |
| Size | 137 MB | 88 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [建涛 钟](https://appshunter.io/developer/1516809739) | [CdPlus](https://appshunter.io/developer/446082621) |

## What reviewers say

### Submarine Dive Master

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

**Features:** macOS Compatibility

**In-app purchases:** none


### HaloStack

[App page](https://appshunter.io/ios/app/halostack-circular-puzzle/id6761543119)

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

**In-app purchases:** none


## Frequently asked questions

### Is Submarine Dive Master free?

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

### Is HaloStack free?

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

### Do Submarine Dive Master or HaloStack have ads?

Both Submarine Dive Master and HaloStack show ads.

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

Submarine Dive Master ships an update weekly, and HaloStack every 11 days. Most recently, Submarine Dive Master was updated on October 25, 2026 and HaloStack on October 29, 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.*