# Coremail论客 vs 旦挞

The clearest difference is review sentiment: 旦挞 at 67% against Coremail论客's 0%. 旦挞 also leads on rating (4.7 vs 1.5) and update cadence (fortnightly vs every 6 weeks). Coremail论客's advantage is iOS requirement (13.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

旦挞 holds the better App Store score, 4.7 against 1.5. Both are backed by a comparable volume of ratings — 17 and 18 respectively. Written reviews point the same way: 0% of Coremail论客's written reviews are positive against 67% of 旦挞's.

Coremail论客 ships an update every 6 weeks, 旦挞 fortnightly. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Coremail论客 | 旦挞 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (17 ratings)](https://appshunter.io/ios/app/coremail/id1070488070/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/id1568629997/reviews)** |
| Number of ratings | 17 | **18** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 116 MB | 34 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Mailtech Information Technology (Beijing) Co., Ltd.](https://appshunter.io/developer/696333665) | [行健 赵](https://appshunter.io/developer/1727987356) |

## 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


### 旦挞

[App page](https://appshunter.io/ios/app/id1568629997)

This app provides a comprehensive suite of campus services for university students, including managing campus card balances, dormitory power, and dining hall queues. It also offers access to class schedules, library capacity, exam information, and campus announcements. Additionally, it features an anonymous forum for discussions and a platform for course reviews.

**Highlights:** Campus card balance and transaction history, Dormitory power and dining hall queue status, Class schedules and exam information, Anonymous campus forum, Course reviews and ratings, Campus announcements and shuttle schedules

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

**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 旦挞 free?

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

### Which has better reviews, Coremail论客 or 旦挞?

旦挞 is rated higher. Coremail论客 averages 1.5 out of 5 from 17 ratings, while 旦挞 averages 4.7 from 18 ratings.

### Do Coremail论客 or 旦挞 have ads?

Neither Coremail论客 nor 旦挞 shows ads.

### Which is updated more often, Coremail论客 or 旦挞?

Coremail论客 ships an update every 6 weeks, and 旦挞 fortnightly. Most recently, Coremail论客 was updated on September 21, 2026 and 旦挞 on September 16, 2026.

---

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