# C vs AttendPRO

The clearest difference is update cadence: AttendPRO at every 3 weeks against C's every 4 months. 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.

C ships an update every 4 months, AttendPRO every 3 weeks. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | C | AttendPRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 33 MB | 58 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) | [PROOFFICE TECHNOLOGY SDN BHD](https://appshunter.io/developer/1531669411) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-mirroring/id6464287342)

**In-app purchases:** none


### AttendPRO

[App page](https://appshunter.io/ios/app/attendpro/id6741756717)

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

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is AttendPRO free?

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

### Do C or AttendPRO have ads?

Neither C nor AttendPRO shows ads.

### Which is updated more often, C or AttendPRO?

C ships an update every 4 months, and AttendPRO every 3 weeks. Most recently, C was updated on October 13, 2026 and AttendPRO on September 30, 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.*