# one.com Mail vs Rock Mail

The clearest difference is update cadence: Rock Mail at every 2 days against one.com Mail's every 9 days. one.com Mail's advantage is iOS requirement (15.0 vs 18.0). 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.

one.com Mail ships an update every 9 days, Rock Mail every 2 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | one.com Mail | Rock Mail |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 75 MB | 22 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [One.com A/S](https://appshunter.io/developer/458335495) | [Jeff Ridder](https://appshunter.io/developer/6824506207) |

## What reviewers say

### one.com Mail

[App page](https://appshunter.io/ios/app/onecom-mail/id6793130546)

Access and manage your email on the go with this intuitive application. Read, write, and organize your messages efficiently from your mobile device, ensuring you stay connected to important conversations without needing a computer.

**Highlights:** Manage multiple email accounts, Organize inbox with filters, Read emails in distraction-free layout, Compose and send emails, Receive new email notifications, Perform actions on multiple emails

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

**In-app purchases:** none


### Rock Mail

[App page](https://appshunter.io/ios/app/rock-mail/id6824506205)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is one.com Mail free?

one.com Mail is free to download, with no in-app purchases.

### Is Rock Mail free?

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

### Do one.com Mail or Rock Mail have ads?

Neither one.com Mail nor Rock Mail shows ads.

### Which is updated more often, one.com Mail or Rock Mail?

one.com Mail ships an update every 9 days, and Rock Mail every 2 days. Most recently, one.com Mail was updated on November 10, 2026 and Rock Mail 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.*