# ContactDrive vs Open MSG to PDF · Email Viewer

The clearest difference is in-app purchases: ContactDrive at none against Open MSG to PDF · Email Viewer's 3. ContactDrive also leads on ads (none vs shown). Open MSG to PDF · Email Viewer's advantage is update cadence (every 10 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Open MSG to PDF · Email Viewer sells 3 in-app purchases, starting at $5.99 per 7 days. ContactDrive asks for nothing beyond the download.

ContactDrive ships an update every 5 months, Open MSG to PDF · Email Viewer every 10 days. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ContactDrive | Open MSG to PDF · Email Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/contactdrive/id6670565771/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 36 MB | 49 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ContactDrive](https://appshunter.io/developer/1871882036) | [OMER FARUK KIZILTUG](https://appshunter.io/developer/1870337585) |

## What reviewers say

### ContactDrive

[App page](https://appshunter.io/ios/app/contactdrive/id6670565771)

Organize and manage your contacts efficiently. Create targeted lists for focused communication and maintain important relationships by easily calling, texting, or emailing from a single platform.

**Highlights:** Centralized contact data, Customizable contact lists, Direct calling, texting, and emailing, Relationship management, Network mobilization

**Features:** macOS Compatibility

**In-app purchases:** none


### Open MSG to PDF · Email Viewer

[App page](https://appshunter.io/ios/app/open-msg-to-pdf-email-viewer/id6760991112)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Yearly Premium | $49.99 | per year |
| Lifetime Access | $149.99 | one-time |


## Frequently asked questions

### Is ContactDrive free?

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

### Is Open MSG to PDF · Email Viewer free?

Open MSG to PDF · Email Viewer is free to download, with in-app purchases available.

### Do ContactDrive or Open MSG to PDF · Email Viewer have ads?

Open MSG to PDF · Email Viewer shows ads; ContactDrive does not.

### Which is updated more often, ContactDrive or Open MSG to PDF · Email Viewer?

ContactDrive ships an update every 5 months, and Open MSG to PDF · Email Viewer every 10 days. Most recently, ContactDrive was updated on October 20, 2026 and Open MSG to PDF · Email Viewer on October 28, 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.*