# MSI MAP vs CHIEFMATE

The clearest difference is update cadence: CHIEFMATE at every 3 days against MSI MAP's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MSI MAP sells 4 one-off in-app purchases and CHIEFMATE sells 2 in-app purchases, starting at $49.00 per month. Whichever you choose, the download price is not the number that matters.

MSI MAP ships an update every 3 weeks, CHIEFMATE every 3 days. Both last shipped on October 16, 2026.

## The numbers

| Metric | MSI MAP | CHIEFMATE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 44 MB | 3 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JIWON SEO](https://appshunter.io/developer/6794601862) | [STEM Maritime Systems LLC](https://appshunter.io/developer/6796434329) |

## What reviewers say

### MSI MAP

[App page](https://appshunter.io/ios/app/msi-map/id6794602967)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Points | $3.99 | one-time |
| MSI MAP Pro | $6.99 | one-time |
| 1,200 Points | $9.99 | one-time |
| 3,000 Points | $19.99 | one-time |


### CHIEFMATE

[App page](https://appshunter.io/ios/app/chiefmate-marine-navigation/id6796434327)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Watch Officer | $49.00 | per month |
| Master | $89.00 | per month |


## Frequently asked questions

### Is MSI MAP free?

MSI MAP is free to download, with in-app purchases available.

### Is CHIEFMATE free?

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

### Do MSI MAP or CHIEFMATE have ads?

Neither MSI MAP nor CHIEFMATE shows ads.

### Which is updated more often, MSI MAP or CHIEFMATE?

MSI MAP ships an update every 3 weeks, and CHIEFMATE every 3 days. Most recently, MSI MAP was updated on October 16, 2026 and CHIEFMATE on October 16, 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.*