# Coremail论客 vs 奇安信VPN

The clearest difference is review sentiment: 奇安信VPN at 50% against Coremail论客's 0%. 奇安信VPN also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (11.0 vs 13.0). 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.

Coremail论客 ships an update every 6 weeks, 奇安信VPN every 3 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Coremail论客 | 奇安信VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (17 ratings)](https://appshunter.io/ios/app/coremail/id1070488070/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 116 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mailtech Information Technology (Beijing) Co., Ltd.](https://appshunter.io/developer/696333665) | [Legendsec Information Technology (Beijing) Inc](https://appshunter.io/developer/715319718) |

## What reviewers say

### Coremail论客

[App page](https://appshunter.io/ios/app/coremail/id1070488070)

This is a team communication tool that integrates email and instant messaging for businesses. It enhances office communication efficiency with features like shared discussions, group chats, and secure data handling. Access your enterprise network drive and synchronize schedules directly within the app.

**Highlights:** Email integration, Instant messaging, Team collaboration, Enterprise network drive access, Schedule synchronization, Attachment preview, Caller ID

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### 奇安信VPN

[App page](https://appshunter.io/ios/app/vpn/id1167843570)

Securely access internal enterprise applications and resources remotely via SSL VPN. This tool offers a safe and convenient solution for mobile office work.

**Highlights:** Remote access to internal applications, Secure SSL VPN connection, Convenient mobile office solution, Enterprise resource access

**In-app purchases:** none


## Frequently asked questions

### Is Coremail论客 free?

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

### Is 奇安信VPN free?

奇安信VPN is free to download, with no in-app purchases.

### Do Coremail论客 or 奇安信VPN have ads?

Neither Coremail论客 nor 奇安信VPN shows ads.

### Which is updated more often, Coremail论客 or 奇安信VPN?

Coremail论客 ships an update every 6 weeks, and 奇安信VPN every 3 weeks. Most recently, Coremail论客 was updated on September 21, 2026 and 奇安信VPN on June 1, 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.*