# C21Events vs Casprod

The clearest difference is update cadence: Casprod at every 5 days against C21Events's every 3 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.

C21Events ships an update every 3 months, Casprod every 5 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | C21Events | Casprod |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 60 MB | 73 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [C21screen](https://appshunter.io/developer/462810211) | [Yann Salvignol](https://appshunter.io/developer/1822033194) |

## What reviewers say

### C21Events

[App page](https://appshunter.io/ios/app/c21events/id6550917165)

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

**In-app purchases:** none


### Casprod

[App page](https://appshunter.io/ios/app/casprod/id6806629702)

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

**In-app purchases:** none


## Frequently asked questions

### Is C21Events free?

C21Events is free to download, with no in-app purchases.

### Is Casprod free?

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

### Do C21Events or Casprod have ads?

Neither C21Events nor Casprod shows ads.

### Which is updated more often, C21Events or Casprod?

C21Events ships an update every 3 months, and Casprod every 5 days. Most recently, C21Events was updated on October 24, 2026 and Casprod on October 29, 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.*