# CMJ vs Perkins® Visitor

The clearest difference is update cadence: Perkins® Visitor at every 2 months against CMJ's every 22 months. 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.

CMJ ships an update every 22 months, Perkins® Visitor every 2 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | CMJ | Perkins® Visitor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Size | 71 MB | 48 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [THE COMPANY OF MASTER JEWELLERS LIMITED](https://appshunter.io/developer/1495401729) | [Perkins Engines Company Limited](https://appshunter.io/developer/1037004578) |

## What reviewers say

### CMJ

[App page](https://appshunter.io/ios/app/cmj/id1495401730)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perkins® Visitor

[App page](https://appshunter.io/ios/app/perkins-visitor/id6762123012)

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

**In-app purchases:** none


## Frequently asked questions

### Is CMJ free?

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

### Is Perkins® Visitor free?

Perkins® Visitor is free to download, with no in-app purchases.

### Do CMJ or Perkins® Visitor have ads?

Neither CMJ nor Perkins® Visitor shows ads.

### Which is updated more often, CMJ or Perkins® Visitor?

CMJ ships an update every 22 months, and Perkins® Visitor every 2 months. Most recently, CMJ was updated on October 11, 2026 and Perkins® Visitor on October 17, 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.*