# Core Master vs Mountain Stream Cold Tracker

The clearest difference is in-app purchases: Core Master at none against Mountain Stream Cold Tracker's 2. Core Master also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Mountain Stream Cold Tracker sells 2 in-app purchases, starting at $1.99 per month. Core Master asks for nothing beyond the download.

## The numbers

| Metric | Core Master | Mountain Stream Cold Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 15 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Body Engineering BSSS Ltd](https://appshunter.io/developer/1530296428) | [Kasper Kraegpoeth](https://appshunter.io/developer/1709983012) |

## What reviewers say

### Core Master

[App page](https://appshunter.io/ios/app/core-master/id1530296426)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mountain Stream Cold Tracker

[App page](https://appshunter.io/ios/app/mountain-stream-cold-tracker/id6502903586)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annually | $17.99 | per year |


## Frequently asked questions

### Is Core Master free?

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

### Is Mountain Stream Cold Tracker free?

Mountain Stream Cold Tracker is free to download, with in-app purchases available.

### Do Core Master or Mountain Stream Cold Tracker have ads?

Neither Core Master nor Mountain Stream Cold Tracker shows 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.*