# QRPASS 雲端報到 vs C_Mail

The clearest difference is review sentiment: QRPASS 雲端報到 at 67% against C_Mail's 17%. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 12, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | QRPASS 雲端報到 | C_Mail |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 21 MB | 2 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jenhung Wang](https://appshunter.io/developer/955245526) | [Openfind Inc.](https://appshunter.io/developer/509471265) |

## What reviewers say

### QRPASS 雲端報到

[App page](https://appshunter.io/ios/app/qrpass/id1207647182)

This app facilitates event check-ins and sign-ins using QR codes scanned via a smartphone or tablet. It supports real-time collaboration and offline operation, making it ideal for various events like conferences, training sessions, and parties.

**Highlights:** QR code generation and distribution, QR code scanning via device camera, Real-time synchronization and collaboration, Offline operation with list download, Blind scan mode for QR code collection, Customizable alerts and notifications

**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 QRPASS 雲端報到 free?

QRPASS 雲端報到 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 QRPASS 雲端報到 or C_Mail have ads?

Neither QRPASS 雲端報到 nor C_Mail shows ads.

### Which is updated more often, QRPASS 雲端報到 or C_Mail?

QRPASS 雲端報到 ships an update every 6 weeks, and C_Mail every 6 weeks. Most recently, QRPASS 雲端報到 was updated on September 12, 2026 and C_Mail on June 24, 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.*