# MSG Viewer & EML File Opener vs Chartapir

The clearest difference is device support: MSG Viewer & EML File Opener at 3 against Chartapir's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MSG Viewer & EML File Opener sells 4 in-app purchases, starting at $3.99 per month and Chartapir sells 3 in-app purchases, starting at $16.99 per month. Whichever you choose, the download price is not the number that matters.

MSG Viewer & EML File Opener ships an update weekly, Chartapir every 10 days. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | MSG Viewer & EML File Opener | Chartapir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 8 MB | 12 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EUTOPIX LABS](https://appshunter.io/developer/1896294696) | [TechnicolorLife LLC](https://appshunter.io/developer/1823699681) |

## What reviewers say

### MSG Viewer & EML File Opener

[App page](https://appshunter.io/ios/app/msg-viewer-and-eml-file-opener/id6793833486)

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MailFolio Pro (Monthly) | $3.99 | per month |
| MailFolio Pro (Yearly) | $14.99 | per year |
| MailFolio Pro 7-Day Pass | $2.99 | one-time |
| MailFolio Pro Lifetime | $49.99 | one-time |


### Chartapir

[App page](https://appshunter.io/ios/app/chartapir/id6795203985)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $16.99 | per month |
| Pro | $39.99 | per month |
| Premium | $99.99 | per month |


## Frequently asked questions

### Is MSG Viewer & EML File Opener free?

MSG Viewer & EML File Opener is free to download, with in-app purchases available.

### Is Chartapir free?

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

### Do MSG Viewer & EML File Opener or Chartapir have ads?

Neither MSG Viewer & EML File Opener nor Chartapir shows ads.

### Which is updated more often, MSG Viewer & EML File Opener or Chartapir?

MSG Viewer & EML File Opener ships an update weekly, and Chartapir every 10 days. Most recently, MSG Viewer & EML File Opener was updated on November 1, 2026 and Chartapir on November 10, 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.*