# Submarine Dive Master vs num

The clearest difference is iOS requirement: Submarine Dive Master at 13.0 against num's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Submarine Dive Master | num |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | — |
| Size | 137 MB | 34 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [建涛 钟](https://appshunter.io/developer/1516809739) | [Jaecob Dobler](https://appshunter.io/developer/1569672628) |

## What reviewers say

### Submarine Dive Master

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

**Features:** macOS Compatibility

**In-app purchases:** none


### num

[App page](https://appshunter.io/ios/app/num-nums/id6759813448)

**Features:** macOS Compatibility

**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 num free?

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

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

Both Submarine Dive Master and num show ads.

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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.*