# ASUS OmniStor vs C_Mail

The clearest difference is review sentiment: C_Mail at 17% against ASUS OmniStor's 0%. C_Mail also leads on update cadence (every 6 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ASUS OmniStor ships an update every 3 months, C_Mail every 6 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ASUS OmniStor | C_Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/asus-omnistor/id660159561/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 2 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASUS Cloud Corporation](https://appshunter.io/developer/390124524) | [Openfind Inc.](https://appshunter.io/developer/509471265) |

## What reviewers say

### ASUS OmniStor

[App page](https://appshunter.io/ios/app/asus-omnistor/id660159561)

Access, upload, and back up your files from any device. Share and collaborate on documents with others, with options for online editing and offline viewing. Securely log in using enterprise credentials.

**Highlights:** Enterprise AD/LDAP login, Cross-platform file sync, Automatic mobile backup, Online file preview, Multi-person co-editing, Offline file browsing

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

**In-app purchases:** none


### C_Mail

[App page](https://appshunter.io/ios/app/c-mail/id1503310731)

Receive instant email notifications on your phone, saving you time from constant checking. Customize filters to prioritize important messages and manage your inbox efficiently with powerful search and organizational tools.

**Highlights:** Instant email push notifications, Customizable notification filters, Quick login with saved credentials, Advanced search by field and folder, Integrated contact auto-completion, In-app email actions (forward, delete, move), Personalized signature options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASUS OmniStor free?

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

### Is C_Mail free?

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

### Do ASUS OmniStor or C_Mail have ads?

Neither ASUS OmniStor nor C_Mail shows ads.

### Which is updated more often, ASUS OmniStor or C_Mail?

ASUS OmniStor ships an update every 3 months, and C_Mail every 6 weeks. Most recently, ASUS OmniStor was updated on October 5, 2026 and C_Mail on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*